Abstract: A cable assembly module includes: a front mating member; a rear cable linked behind the mating member and including a pair of signal wires; a pair of signal contacts retained upon the front mating member, each of said signal contacts including a middle retaining section associated with the front mating member, a front mating section spaced from the front mating member in a deflectable manner, and a rear connecting section mechanically and electrically connected to the corresponding signal wires, respectively; and a pair of grounding contacts located by two sides of the pair of signal contacts; wherein the front mating sections are adapted for being directly mated with circuit pads of a printed circuit board disposed in a plane, and the rear cable extends along a direction inclined with the plane.

Abstract: Configurable smart object systems with grid or frame-based connectors are provided. Example systems implement machine learning based on neural networks that draw low power for use in smart phones, watches, drones, automobiles, and medical devices, for example. Example assemblies can be configured from pluggable, interchangeable modules that have compatible ports with magnetic electrical contacts for interconnecting and integrating functionally dissimilar sensor systems. An example system has a clip attachable to a substrate for securing a smart object module to the substrate, and a housing of the clip with a geometry for aligning electrical contacts of the smart object module with electrical contacts of the substrate. The clip may have a compliant layer to provide spring, resilience, or pressure to securing the smart object module to the substrate. The clip may also integrate features of a secure digital (SD) port and a universal serial bus (USB) port.

Abstract: A card edge connector includes an elongated housing comprising opposite long walls and defining a card slot between the long walls, two rows of contacts retained in the long walls respectively and a ground member including two long plates retained in the long walls respectively. Each row of contacts includes ground contacts and signal contacts, the ground contacts comprises retaining sections retained in the housing, elastic sections extending upward from the retained sections with mating portions exposed to the card slot and leg sections extending downward from the retaining sections. Each of the ground contacts further comprises an engaging portion curved from the elastic section and touching corresponding long plate.

Abstract: A host connector includes a connector insulator having a slot allowing detachable insertion of a plug connector of a module, a first contact terminal group including contact terminals arranged inside the connector insulator and each brought into contact with a contact pad on one side at a connection end of the plug connector, and a second contact terminal group including contact terminals each brought into contact with a contact pad on another side opposed to the aforementioned contact pad. The first contact terminal group includes grounding sub-contact terminals arranged inside slits of the connector insulator, grounding main contact terminals supporting the grounding sub-contact terminals, and signal contact terminals. Contact portions of each grounding main contact terminal and of each signal contact terminal having the same shape are arranged on a common straight line, and the signal contact terminals are disposed between the grounding main contact terminals.

Abstract: An electrical connector includes an insulating block and multiple terminals arranged along a left-right direction of the insulating block. The insulating block has multiple opening holes along a vertical direction thereof. Each terminal has a fixing portion fixed to the insulating block. The fixing portion has an adjustment portion. The terminals in one row include multiple first ground terminals, multiple second ground terminals and multiple pairs of differential signal terminals, correspondingly arranged along the left-right direction sequentially as: one of the first ground terminals, one of the pairs of differential signal terminals, one of the second ground terminals, another one of the pairs of differential signal terminals, and another one of the first ground terminals. The adjustment portion of each second ground terminal is exposed in the opening hole along the vertical direction, and the adjustment portion of each first ground terminal is not exposed in the opening hole.

Abstract: A connector (10) according to the present disclosure includes a first insulator (20), a second insulator (30) that is to be fitted to a connection object (70) and movable relative to the first insulator (20), and a contact (60) attached to the first insulator (20) and the second insulator (30). The contact (60) includes a first elastic portion (64A) that extends from a first base (61) supported by the first insulator (20) and is elastically deformable; an adjustment portion (64B) that is formed to be continuous with the first elastic portion (64A) and has a higher electrical conductivity than the first elastic portion (64A); a second elastic portion (64C) that extends to the second insulator (30) from the adjustment portion (64B) and is elastically deformable; and a contact portion (69) that electrically connects to the connection object (70) when the second insulator (30) and the connection object (70) are fitted together.

Abstract: The invention relates to a device for connecting feed lines, comprising: first electrical connector elements which can each be connected to a power supply, and first fluid connection elements which can be connected to a working fluid source, all of said elements being grouped together in a fixed manner in a first stationary connector; a power feed line, a working fluid feed line; and a second fluid connection element coupled to a first end of a flexible tube and second electrical connector elements, grouped together in a fixed manner in a first movable connector. According to the invention, at least first end segments of the second electrical connector elements and of the flexible tube are disposed inside an elastically flexible hose that is connected to the first movable connector.

Abstract: An electrically conductive contact element for an electrical connector comprises a contact surface having a plurality of caverns arranged under the contact surface in a microstructure and an auxiliary material filled in the plurality of caverns.

Abstract: The electrical contact material includes a base material, a coating layer provided on a surface of the base material, and an oxide layer provided on a surface of the coating layer. The base material contains Cu. The coating layer includes an undercoat layer, a first layer, and a second layer that are provided in that order from the base material side. The undercoat layer contains Ni. The first layer contains Ni, Zn, Cu, and Sn. The second layer contains Sn. The oxide layer is constituted by an oxide containing Zn, Cu, and Sn. The undercoat layer has a thickness larger than 0.5 ?m.

Abstract: A female terminal is provided with a tubular connecting tube portion, a male terminal being connected to the connecting tube portion from front, a resilient contact piece configured to resiliently contact the male terminal inserted into the connecting tube portion from a first direction, receiving portions configured to sandwich the male terminal between the resilient contact piece and the receiving portions inside the connecting tube portion, a vibration suppressing portion configured to resiliently contact the male terminal from a second direction intersecting the first direction, and a contact portion configured to sandwich the male terminal between the vibration suppressing portion and the contact portion inside the connecting tube portion. The vibration suppressing portion is provided on a wall portion constituting the connecting tube portion and includes a plurality of deflecting portions deflectable in the second direction.

Abstract: A connector includes: a plurality of terminals; a housing having a tubular outer wall part, a holding part having a plurality of terminal housing chambers, lances positioned radially outside the respective terminal housing chambers, and a locking part; and a detection member having a tubular fitting part to be fit to the holding part and an engaging part. The lances, when the respective terminals are inserted into a regular position in the respective terminal housing chambers, enter the inside of the fitting part when the fitting part is fit to the holding part and, when the respective terminal are not inserted into the regular position, are pressed by the respective terminals to become deformed radially outward and to lock the fitting part at a first position, the first position being short of a position at which the engaging part is engaged with the locking part.

Abstract: The invention generally provides a connector recording system or platform that includes a recording system designed to interact with a connector system to read an indicia and then transfer, store, and display information associated with the positioning of the connector system in the installed component or device. The connector system includes a male housing assembly, a female housing assembly coupled to the male housing assembly in a connected state, and a connector position assurance assembly with the indicia and a locking member that is movable between locked and unlocked positions. In the locked position, the locking member secures the male housing assembly to the female housing assembly and the indicia can be read by the scanner to signal that the connector position assurance assembly is in the locked position. In the unlocked position, the indicia is in a state that does not allow the scanner to obtain information from the indicia.

Abstract: A connector housing includes a housing main body formed from a first material and a latch arm formed from a second material having a lower rigidity than the first material. The latch arm extends in a cantilever form, forms a boundary portion at a connection between the latch arm and the housing main body, and is configured to elastically deform in relation to the housing main body to latch a latched member. A transition region having a continuously variable mixing ratio between the first material and the second material is present within an expanded boundary region including the boundary portion and expanding into the housing main body and into the latch arm.

Abstract: An assembly having an electrical connector and a modular housing. The cooperation of positioning projections of the modular housing with stabilizing sections of the electrical connector provides a stable and precise mating between the electrical connector and the modular housing in four directions which are perpendicular to the plane of insertion of the electrical connector into the modular housing. The cooperation of latches of the electrical connector with latch receiving recesses of the modular housing provides a stable and precise mating between the electrical connector and the modular housing in two directions which are in line with the plane of insertion.

Abstract: A housing includes a housing main body provided with a terminal holding portion including a terminal accommodating chamber configured to accommodate a terminal, a retainer assembled to the terminal holding portion of the housing main body, and an annular seal member mounted to a tubular seal mounting portion formed on an assembly side to the retainer in the housing main body. The retainer includes an engaging piece protruding in a direction of assembling to the housing main body. The engaging piece is inserted into an inner side of the seal mounting portion and abuts on an inner surface of the seal mounting portion.

Abstract: A housing for use in motor vehicles, in particular a motor vehicle latch housing. The basic structure of said housing comprises a connecting region and a seal that surrounds the connecting region, and a connecting element that is connected to the housing interior by means of the connecting region. According to the invention, the seal is formed as a sealing grommet that engages over the connecting region and can connect to the housing.

Abstract: A method of assembling an electronic control unit comprises assembling a printed circuit board (PCB) substrate with a terminal carrier holding a plurality of terminal pins comprising a right angle bend into a housing using a rotational motion. The terminal carrier generally extends perpendicularly from the PCB substrate. A first end of each of the plurality of terminal pins is inserted into the PCB substrate and a second end of each of the plurality of terminal pins extends through the terminal carrier. The second ends of the plurality of terminal pins generally extend into one or more connector openings in one of four sides of the housing and the terminal carrier interlocks with the housing to hold the PCB substrate with the terminal carrier and the plurality of terminal pins in place.

Abstract: The invention relates to an electrical connector locking hub nut that does not damage the wiring during pulling, frees up manpower by allowing one person rather than two to be able to do the pulling, has a simplified design, and which has universal threading for conduit of all currently approved sizes and materials.

Abstract: A connector is detachably connectable to a connection object. The connector includes a pair of locking members, each of which includes a locking latch configured to be engageable with the connection object to lock the connector to the connection object, the pair of locking members being configured to be actuatable in mutually opposite directions to a release position in which the respective locking latches are to be disengaged from the connection object. The connector further includes a single pushbutton externally accessible to be pressed in a first direction for actuating the pair of locking members to the release position, and a transfer means for transferring pressing force to be applied on the pushbutton to move one of the locking members in the first direction and the other of the locking members in a second direction which is opposite to the first direction.

Abstract: A transition block fixing assembly has a transition block mounting unit that includes a support member and a connecting member. The support member is configured to support a transition block and a pair of cables that are received within the transition block, and the connecting member is configured to mount the transition block mounting unit within a base station antenna.

Abstract: A combined assembly of an electrically conductive structure and an electrical connector assembly includes an electrically conductive structure and an electrically connector assembly. The electrically connector assembly includes a housing defining an interior space and a locking arm. The interior space of the housing receives the electrically conductive structure. The locking arm is supported for movement relative to the housing from an unlocked position, wherein the locking arm does not retain the electrically conductive structure within the interior space, to a locked position, wherein the locking arm retains the electrically conductive structure within the interior space. An electrical contact is disposed within the housing and engages the electrically conductive structure retained within the interior space.

Abstract: A fastening device for expansion cards that is capable of connecting to a slot on a normal motherboard and fastening an expansion card in the slot is disclosed. The fastening device includes a top pressing unit and two side fastening units, wherein the two side fastening units are connected to two ends of the top pressing unit, respectively, and each side fastening unit is provided with an opening. When two clip units disposed on the two ends of the slot pass through the openings of the two side fixing units respectively, the top pressing unit presses the top edge of the expansion card inserted into the slot and the two side fastening units respectively press and fasten the two clip units so as to restrain the clip units from unlocking and to prevent the expansion card from becoming loose in the slot.

Abstract: An information processing apparatus includes a recess formed on a bottom surface of a housing of the information processing apparatus; a connector provided in the recess; a hook being a pair of protrusions for winding and fixing the cable and provided in the recess; and an open space opening from the recess to a side surface of the housing. The protrusion has a winding portion protruding from a bottom surface of the recess, and a holding portion formed by bending and extending the winding portion. One protrusion in a first hook is arranged within a predetermined distance from the open space, and one protrusion in a second hook is arranged adjacent to the protrusion of the first hook. The protrusions of the first and second hooks are arranged so that the holding portions in the first and second hooks are alternately opposed to each other, and are partially overlapped.

Abstract: A card edge connector includes an insulative housing extending along a lengthwise direction, two rows of (contact) passageways formed in two opposite side walls with a central slot therebetween. Two rows of contacts are disposed within the corresponding passageways, respectively. The contacts include signal contacts and grounding contacts. Each side wall further forms an elongated channel by two sides of central wall under the central slot. A covering block is upwardly assembled into the corresponding channel after the corresponding contacts have been assembled into the corresponding passageways. Each block includes a deflectable latch engaged with the central wall. The covering block occupies at least one half of each passageway in the transverse direction perpendicular to the lengthwise direction. The covering block is optimally made of conductive plastic and forms a plurality of abutment ribs to respectively abut against the corresponding grounding contacts, respectively.

Abstract: An electrical plug includes a plug housing having a first outer housing part and a second outer housing part separate from the first outer housing part, an earthing contact disposed in the plug housing, and an earthing connection element separate from the earthing contact and disposed in the plug housing. The first outer housing part and the second outer housing part are each at least partly metallic. The earthing connection element is electrically connected to the earthing contact, the first outer housing part, and the second outer housing part.

Abstract: A connector for controlling impedance for use in a connector assembly, the connector has a housing made of dielectric material. The housing has a first conductor receiving opening and a second conductor receiving opening which are dimensioned to receive exposed conductors of a cable. The first conductor receiving opening and the second conductor receiving opening have conductor receiving portions, the conductor receiving portions extending at an angle relative to a longitudinal axis of the housing. The first conductor receiving opening and the second conductor receiving opening have conductor spacing portions which extend from the conductor receiving opening. The conductor spacing portions extend in a direction which is essentially parallel to the longitudinal axis of the housing. The spacing portions are spaced apart by a distance. The dielectric material and the distance the spacing portions are spaced apart being selected to match the impedance of the cable.

Abstract: A connector device includes: a plug connector including a plurality of plug terminals, a plug housing that holds the plurality of plug terminals in its longitudinal direction, and a plug shell held by the plug housing; and a receptacle connector including a plurality of receptacle terminals, a receptacle housing that holds the receptacle terminals along its longitudinal direction, and a receptacle shell held by the receptacle housing. The plug shell and the receptacle shell are electrically connected to each other through at least the contact portion in a state where the plug connector and the receptacle connector is fitted with each other.

Abstract: The present disclosure relates to the field of intelligent electrical appliances. Disclosed are a power cord (10) and a home appliance (20) provided with same. The power cord is used for supplying power to a home appliance, and is also used for mounting a communication module (300). The communication module is used for implementing wireless communication between the home appliance (20) and an external device. The power cord (10) comprises a line body (2), a plug (1) disposed at one end of the line body, a line body fixing portion (5) disposed on the part of the line body distant from the plug (1) and used for fixing the line body (2) on the home appliance, and an intelligent module mounting portion (S) disposed adjacent to the line body fixing portion (5) and disposed on the line body, wherein the intelligent module mounting portion (S) is provided with a base (100) having an accommodation cavity (B) and a cover (200) matching the base (100) so as to enclose the accommodation cavity (B).

Abstract: The present invention discloses a sofa USB socket including: a USB female socket including a tongue core, wherein the tongue core includes 5 pins, and the fifth pin is an ID pin; and a USB circuit including a power circuit, a filter circuit, a control chip and a buck chopper circuit, wherein the buck chopper circuit includes a transistor, and the ID pin is electrically connected with the transistor. When an external USB male plug is inserted into the USB female socket, the power circuit supplies power to the USB female socket; when the USB female socket is in an unloaded state, the fifth pin is suspended, the control chip enters a sleep state, and the USB female socket has no output voltage, which greatly reduces the no-load energy consumption, thereby being beneficial to extending the endurance time and the service life of a power supply battery.

Abstract: The present disclosure provides a power supply socket and a power receiving head. The socket includes a power supply socket housing, a conductive member, a switching element, and a control component. The conductive member is provided in the power supply socket housing and can be connected to a conductive portion on a power receiving head. The switching element is provided in the housing and has an output end and a control end, the output end of the switching element is connected to the conductive member. The control component is provided in the housing and connected to the control end of the switching element, and is configured to detect the power receiving head, and control the switching element to be turned on when the power receiving head is detected, and control the switching element to be turned off when the power receiving head is not detected.

Abstract: The present disclosure relates to a coaxial connector, and particularly, a coaxial connector including a fixing module which is connected to a first PCB, and a contact module which is coupled movably to the fixing module, and provided to be contactable to a second PCB facing the first panel, in which the contact module includes a contact body which is made of a conductive material, and has a hollow formed therein, a contact pin which is made of a conductive material, and disposed to penetrate the hollow of the contact body, and a contact insulator which is disposed in the hollow of the contact body to insulate the contact pin and the contact body by partitioning the contact pin and the contact body, and the contact module is configured so that the contact body, the contact pin, and the contact insulator are integrally formed to be assembled to the fixing module by a singular process, thereby providing the advantages which may reduce the cost of a product, and improve the quality of the product by improving a

Abstract: A contact assembly includes a signal leadframe including signal contacts each extending between a mating end and a terminating end and a ground leadframe separate and discrete from the signal leadframe including ground contacts each extending between a mating end and a terminating end. Each ground contact includes a central transition section between the mating end and the terminating end and a ground tie bar extending between each of the central transition sections and extending across the signal contacts. The contact assembly includes a front contact holder holding the signal contacts of the signal leadframe and holding the ground contacts of the ground leadframe. The front contact holder surrounds the central transition sections of the ground contacts and electrically isolates the ground tie bar from the signal contacts.

Abstract: A bus bar includes a load terminal connector comprising a conductive plate that extends from a first edge to an opposite second edge and extends from a third edge to an opposite fourth edge. The third and fourth edges extend from the first edge to the second edge. The plate includes a window opening located between the first and second edges and between the third and fourth edges. The plate also includes a slot extending into the plate from the first edge to the window opening. The plate includes first and second sets of openings configured to receive connections with first and second power terminals of switch packages. The first set of openings and the second set of openings are located on opposite sides of the slot.

Abstract: A wire connecting device for connecting and electrically communicating a first electrical wire and a second electrical wire can include: an electrical connector having a first end, a second end, and a concave portion between the first end and the second end, wherein the concave portion is configured for accommodating a second core wire of the second electrical wire; and a connecting member cooperating with the electrical connector and configured for guiding the first end and the second end of the electrical connector connected with the first electrical wire. A wire connection method using the wire connecting device can be further provided.

Abstract: A method includes a placing step in which an end portion of a covered electric wire is placed on an inner surface of a barrel portion along an axial direction such that a tip of the aluminum core wire overlaps a second portion of a seal member attached close to a terminal portion, and a crimping step in which the barrel portion is wound around and crimped to the end portion, thereby fixing the crimp terminal to the end portion and sealing, with the seal member, a space between the inner barrel piece and the outer barrel piece, an opening of the barrel portion formed cylindrical located on a side of the terminal portion, and a space between the covered portion and the barrel portion.

Abstract: An electrically conductive, single-piece flat part (100) for a plug with first and second contact pins (112, 114) are arranged in two parallel rows, and with a connector region for a cable. The part has a connecting element (102). Conductors (108, 110) which open into the first and second contact pins (112, 114) extend from the first and from the second side of the connecting element, the conductors (108, 110) which lie on the opposite sides of the connecting element (102) being connected to the connecting element (102) in a manner which is offset with respect to one another in such a way that the imaginary straight extension of a conductor (108, 110) runs on the one side of the connecting element (102) next to one or between two conductors (108, 110) on the opposite side of the connecting element (102).

Abstract: A system for connecting wires of an electrical cable harness to an electrical connector includes a base that defines a base plane and is configured to support a connector. The system also includes a guiding device having first and second moveable gripping portions. The first and second gripping portions cooperate to define one or more channels that extend perpendicularly to the base plane and are configured to receive one or more wire ends for insertion. An inner surface of the first gripping portion is parallel with a corresponding inner surface of the second gripping portion and an outer surface of the first gripping portion is nonparallel with a corresponding outer surface of the second gripping portion. The system further includes a robotic arm configured to move the guiding device relative to the base while the one or more channels remain perpendicular to the base plane.

Abstract: A burst logging system logs and transmits to a local or remote computing system event data related to errors in and or potential failures of laser system components. The system further provides for capturing data at different rates from different sensors, synchronization of data capture associated with system events and the possibility for aggregation of data from multiple systems, which can in turn be leveraged to predict and or remediate future system events.

Abstract: A laser device may include a chamber accommodating a pair of discharge electrodes, a grating provided outside the chamber, first beam-expanding optics provided between the chamber and the grating and configured to expand a beam width of light outputted from the chamber at least in a first direction perpendicular to a direction of discharge between the pair of discharge electrodes, and second beam-expanding optics having a plurality of prisms provided between the chamber and the grating, the second beam-expanding optics being configured to expand a beam width of light outputted from the chamber at least in a second direction parallel to the direction of discharge between the pair of discharge electrodes.

Abstract: A laser apparatus includes a controller that selects one of a first gas control and a second gas control based on gas pressure measured by a pressure sensor. The first gas control causes at least one of first laser gas and second laser gas is supplied to a chamber such that the gas pressure in the chamber after the first gas control is higher than the gas pressure in the chamber before the first gas control. The second gas control causes at least the first laser gas is supplied to the chamber and causes a part of the laser gas in the chamber is exhausted such that a difference between the gas pressure in the chamber before the second gas control and the gas pressure in the chamber after the second gas control is smaller than a difference between the gas pressure in the chamber before the first gas control and the gas pressure in the chamber after the first gas control.

Abstract: The invention relates to a multi-pass etalon-based optical filter in which input light once reflected from the etalon is returned back to the etalon for a second reflection to enhance etalon contrast. The external mirror may be tilted relative to the etalon so that two planes of incidence are orthogonal. The multi-pass etalon-based optical filter may be used to clean scattered light from an excitation wavelength in Raman and Brillouin spectroscopy.

Abstract: The present disclosure provides a waveguide integrated optical modulator, which is made of a bismuth film, an antimony film, or a tellurium film. A thickness of the bismuth film, the antimony film, or the tellurium film is between 10 nm and 200 nm, and the bismuth film, the antimony film, or the tellurium film is produced by physical vapor deposition method. The waveguide integrated optical modulator can directly add the symmetrical electrode on the surface of the bismuth film, the antimony film, or the tellurium film, and apply an external bias voltage of different amplitudes to the bismuth film, the antimony film, or the tellurium film by adjusting the power source. Thus, the waveguide integrated optical modulator can actively control the nonlinear optical characteristics of the saturable absorber by changing the magnitude of the external voltage, and further actively modulate the laser characteristics of the pulse.

Abstract: A method for realizing precise gain control for a hybrid fibre amplifier, and a hybrid fibre amplifier, in which by an erbium-doped fibre amplifier firstly outputting a constant power, a comparable source signal optical power is provided for a raman fibre amplifier of a next stage. A feedback for the gain control may be formed by comparing a source signal optical power calculated after starting pumping of the Raman fibre amplifier and a source signal optical power detected after pumping stops, thereby greatly improving gain control precision of the Raman fibre amplifier. Moreover, the erbium-doped fibre amplifier parts of all the hybrid fibre amplifiers may simultaneously output a constant optical power, and the Raman amplifier parts of all the hybrid fibre amplifiers may simultaneously start calibration, so that the time for starting operation of the entire system may be improved greatly.

Abstract: In various embodiments, laser apparatuses include thermal bonding layers between various components and sealing materials for preventing or retarding movement of thermal bonding material out of the thermal bonding layers.

Abstract: A method of forming a laser including device is provided that in one embodiment includes providing a laser chip including at least one ridge structure that provides an alignment features. The method further includes bonding a type IV photonics chip to the laser chip, wherein a vertical alignment feature from the type IV photonics chip is inserted in a recess relative to the at least one ridge structure that provides the alignment features of the laser structure.

Abstract: A laser driving apparatus includes a driver, a tracking circuit, a comparator and a control circuit. The driver includes a laser driving circuit, and the tracking circuit includes a reference current source and a replica circuit. The laser driving circuit generates a driving current to drive a laser. The reference current source generates a reference current as a reference for the laser driving apparatus. The replica circuit corresponds to at least a portion of the laser driving circuit, generates a sensing current according to the reference current and track the driving current. The comparator compares voltages respectively on the laser driving circuit and the replica circuit to generate a comparison signal. The control circuit adjusts the sensing current or the driving current according to the comparison signal. The laser driving apparatus can include multiple channels with multiple drivers.

Abstract: A driver circuit includes digital inputs, such as a first digital input and a second digital input. The digital inputs receive voltages at either a digital high-voltage or a digital low-voltage. The driver circuit has a clock input, an analog output, a first differential pair of transistors connected to the analog output, second differential pairs of transistors connected to the analog output, and voltage limiters connected to the clock input and the second differential pairs of transistors. The voltage limiters supply different voltages to the second differential pairs of transistors, which results in the second differential pairs of transistors providing analog signals to the analog output that are at different voltage steps at, and between, the digital high-voltage and the digital low-voltage.

Abstract: The present invention provides one or more injection-lockable whistle-geometry semiconductor ring lasers, which may be cascaded, that are integrated on a common silicon-on-insulator (SOI) substrate with a single-frequency semiconductor master laser, wherein the light output from the semiconductor master laser is used to injection-lock the first of the semiconductor ring lasers. The ring lasers can be operated in strongly injection-locked mode, while at least one of them is subjected to direct injection current modulation.

Abstract: According to an aspect, an optical system includes a laser diode configured to emit optical signals and at least two size-switchable broken racetrack ring resonators optically coupled to an optical waveguide, where each broken racetrack ring resonator is configured to exhibit a resonant wavelength. The optical system also includes a tuning arrangement associated with the broken racetrack ring resonators, where the tuning arrangement includes a micro electro-mechanical system (MEMS) or nano electro-mechanical system (NEMS) actuator mechanically coupled to a first portion of a first one of the broken racetrack ring resonators and configured to mechanically move the first portion so as to change the resonant wavelength of the first one of the broken racetrack ring resonators.

Abstract: A buried typed semiconductor optical device includes a semiconductor substrate having a pair of grooves extending in a first direction. An upper surface of a buried layer has a first region that is adjacent to a mesa stripe structure, overlaps with a corresponding one of the pair of grooves, is inclined so as to be higher in a second direction from the mesa stripe structure, and on which a passivation film is not formed. The upper surface of the buried layer has a second region that does not overlap with any of the pair of grooves, is flat, and is higher than a lower end of the first region, and on which the passivation film is formed. The upper surface of the buried layer has a connection region between the first region and the second region at a same height as the second region.