Abstract: A silicon photonics device and system therefor. The silicon photonics device can include a 300 nm SOI (silicon-on-insulator with 300 nm top Si) overlying a substrate member. A waveguide structure can be configured from a portion of the SOI layer and disposed overlying the substrate member. This waveguide structure can include an AWG (Arrayed Waveguide Gratings) structure with 300 nm×300 nm symmetric grating waveguides or an Echelle grating structure characterized by a top silicon thickness of 300 nm. The waveguide structure can also include an index compensator material configured to provide at least two material index ratings in the waveguide structure.

Abstract: The invention relates to adaptive optics techniques applied to alter the modal structure of light propagating in an optical fiber. In particular the invention relates to altering the modal structure in a multimode beam propagating in a multimode fiber by lowering the number of higher modes. The method comprises combining a wavefront sensor and/or a power sensor with a phase control actuator and actuator control algorithms, to alter the phase structure of the beam thereby to eliminate higher modes. The corrected beam can be then effectively coupled into a smaller diameter fiber with minimum loss of energy and concentrated to smaller spot sizes limited by diffraction.

Abstract: A protector is fixed to a housing in a state where a ferrule on which the protector is mounted is accommodated in a ferrule accommodation space of the housing, and thus a release of a locking state by a locking window and a fixing hook is regulated.

Abstract: A light-trapping sheet of the present disclosure includes: a light-transmitting sheet; and light-coupling structures arranged in an inner portion of the light-transmitting sheet. The light-coupling structure includes first, second and third light-transmitting layers. A refractive index of the first and second light-transmitting layers is smaller than that of the light-transmitting sheet; and a refractive index of the third light-transmitting layer is larger than those of the first and second light-transmitting layers. The third light-transmitting layer has a diffraction grating parallel to the surfaces of the light-transmitting sheet. The light-trapping sheet further includes a transparent cover sheet opposing at least one of the surfaces of the light-transmitting sheet with a gap interposed therebetween.

Abstract: Fiber optic cable sub-assemblies having an end cap device with an internal bend relief are disclosed. In one embodiment, the fiber optic cable sub-assembly has at least one optical fiber of a fiber optic cable attached to a circuit board with the end cap device providing strain relief to the fiber optic cable. The circuit board includes an active optical component in operable communication with the optical fiber for forming an active optical cable (AOC) assembly. Additionally, a strain relief device may be used for attaching an end portion of the fiber optic cable to the circuit board, thereby forming the cable sub-assembly. Methods of assembling the fiber optic cable sub-assembly are also.

Abstract: An optical part 20A includes a supporting body 1, an optical material substrate 2, an electrode provided on the supporting body 1, and a resin adhesive layer 4 adhering the electrode 7 and optical material substrate 2. The electrode 7 includes a chromium film 7c contacting the resin adhesive layer 4 and a gold film 7b provided between the chromium film 7c and supporting body 1.

Abstract: A crimp connector is disclosed for enhancing pull-retention of a fiber optic cable in a fiber optic connector assembly housing. The connector has a flange for engaging with the housing and crimp member for engaging with the cable.

Abstract: The sealing component 1 of the invention is provided with a metallic housing 19 that comprises a base part 19a, a side wall 19b connected to the base part 19a and an opening portion 19c facing to the base part 19a, and a metallic lid 20 to cover the opening portion 19c, wherein a melted portion 24 is formed around the boundary between the lid 20 and the upper edge 19b1, the melted portion 24 is formed to reach the corner 19b3 of the side wall 19b, and the melted portion 24 has a convexly-curved outward form 24a from the top face of the lid 20 to the corner 19b3 in the longitudinal cross-sectional view of the sealing component 1.

Abstract: Using silicon photonic components that support a single polarization, the output of an optical receiver is independent of the polarization of an optical signal. In particular, using a polarization-diversity technique, the two orthogonal polarizations in a single-mode optical fiber are split in two and processed independently. For example, the two optical signals are provided by a polarizing splitting grating coupler. Subsequently, a wavelength channel in the two optical signals is selected using a wavelength-selective filter (for example, using a ring resonator or an echelle grating) and combined at an optical detector (such as a photo-detector) to achieve polarization-independent operation.

Abstract: An opto-electric hybrid board which is capable of significantly reducing stresses applied to a bent portion thereof is provided. The opto-electric hybrid board includes a stacked electric circuit board and an optical waveguide. The electric circuit board includes an insulative layer having front and back surfaces, electrical interconnect lines formed on the front surface of the insulative layer, and an insulative coverlay formed on the front surface of the insulative layer and for covering and protecting the electrical interconnect lines. The optical waveguide includes a first cladding layer having a front surface, cores formed in a pattern on the front surface of the first cladding layer, and a second cladding layer covering the cores. Part of the opto-electric hybrid board is defined as a to-be-bent portion in which the coverlay and the optical waveguide are disposed in non-overlapping relation.

Abstract: Disclosed are optoelectronic integrated circuit structures that incorporate a first optical waveguide, having a semiconductor core, indirectly coupled to a grating coupler through a second optical waveguide, having a dielectric core, in order provide a relatively large alignment tolerance. The dielectric core can comprise multiple dielectric layers above one end of the semiconductor core and extending laterally over an isolation region adjacent to that end. The grating coupler can include dielectric fins above the isolation region. Alternatively, the grating coupler can include semiconductor fins within the isolation region. Also disclosed herein are methods of forming such optoelectronic integrated circuit structures that can be readily integrated with complementary metal oxide semiconductor (CMOS) device processing and germanium photodetector processing.

Abstract: A locking device for optical drop cable 100 comprising a cable conductor optical fiber 210, tension members 220 sandwiching the cable conductor optical fiber 210, a sheath 230 having a notched portion 250 covering the cable conductor optical fiber 210 and the tension members 220, a rubber sleeve 20 of the shape constituting a part of the conical wherein several through-holes 26 corresponding to an outline of the sheath 230 are formed along a shaft center, and a slit portion 18 and a tapered portion 34 configured to squeeze the rubber sleeve 20 toward the shaft center direction in a state where a optical drop cable 200 is passed through the through-hole 26, is provided to easily realize waterproofing measures for the optical drop cable of a peculiar shape.

Abstract: Electro-optic modulator includes a substrate, a waveguide formed in a top surface of the substrate, a pair of first modulating electrodes and a pair of second modulating electrodes. The waveguide includes a Y-shaped incident member, a Y-shaped output member, first and second connection members. The Y-shaped incident member includes an incident portion, first and second incident branches. The Y-shaped output member includes an output portion, a first and second output branches. The first connection member includes a first non-modulated branch and a first modulated branch. The second connection member includes a second non-modulated branch and a second modulated branch. The first non-modulated branch and the first modulated branch are interconnected between the first incident branch and the first output branch in parallel. The second non-modulated branch and the second modulated branch are interconnected between the second incident branch and the second output branch in parallel.

Abstract: Disclosed is an optical fiber connector. The connector includes a ferrule optical fiber enclosed in a ferrule, the ferrule being elastically supported by an elastic member; and a main optical fiber. The ferrule optical fiber and the main optical fiber are fusion-spliced by a fusion splice unit. A fusion splice part is reinforced by a reinforcing sleeve and the ferrule optical fiber being integral by the reinforcing sleeve moves within a stopper.

Abstract: Embodiments of the present disclosure provide techniques and configurations for routing signals of an electro-optical assembly using a glass bridge. In one embodiment, an electro-optical assembly includes a laser die having a laser device and a glass bridge electrically coupled with the laser die by one or more interconnect structures, the glass bridge including electrical routing features configured to route electrical signals to the laser die from a transmitter device. Other embodiments may be described and/or claimed.

Abstract: A method for assembling a semiconductor photonic package device includes bonding a portion of a first surface of a semiconductor die portion to a portion of a carrier portion, bonding a single mode optical ferrule portion to a portion of the first surface of the semiconductor die portion, and disposing a cover plate assembly in contact with the optical ferrule portion and the carrier portion.

Abstract: There are provided high power laser devices and systems for transmitting a high power laser beam across a rotating assembly, including optical slip rings and optical rotational coupling assemblies. These devices can transmit the laser beam through the rotation zone in free space or within a fiber.

Abstract: A terahertz scanning reflectometer is described herein. A high sensitivity terahertz scanning reflectometer is used to measure dynamic surface deformation and delamination characteristics in real-time. A number of crucial parameters can be extracted from the reflectance measurements such as dynamic deformation, propagation velocity, and final relaxation position. A terahertz reflectometer and spectrometer are used to determine the permeation kinetics and concentration profile of active ingredients in stratum corneum.

Abstract: Embodiments of the invention are directed to an optical USB (OUSB) to enhance the data rate of USB by adding super-high data rate (e.g. 10 Gbps) optical communication on top of its current specification so that backward compatibility is achievable. Mechanical tolerances may be achieved by using embedded lenses to expand a beam emerging from the connector prior to entering its mating connector and using an identical lens in the mating connector to collimate the beam back onto a fiber.

Abstract: A semiconductor electro-optical phase shifter comprises a central zone (I1, I2) having a minimum doping level; first and second lateral zones (N+, P+) flanking the central zone along a first axis, respectively N and P-doped, so as to form a P-I-N junction between the first and second lateral zones. The central zone comprises first and second optical action zones (I1, I2) separated along the first axis. The second lateral zone is doped discontinuously along a second axis perpendicular to the first axis. Two electrical control terminals (A, C) are provided, one in contact with the first lateral zone, and the other in contact with doped portions of the second lateral zone.