Abstract: The present disclosure relates to circuit package implementations. The circuit package includes a PIC that allows for the transmission of data photonically between hardware coupled to the PIC. The circuit package further includes one or more spacers that are positioned above the PIC in a manner that allows light to pass through an optical path between the top surface of the circuit package and the PIC. Different spacers can be added to the package at different stages of the manufacturing process such that the optical path is maintained through the manufacturing of the circuit package. The circuit package having the optically accessible PIC may be implemented within the framework of a microelectronic package.

Abstract: An optical isolator has optical fibers arranged on a single side. The optical isolator includes an input optical fiber, an output optical fiber, an input splitting/combining device, an output splitting/combining device, an input optical rotation device, an output optical rotation device, a lens, a Faraday rotator, and a reflector. The input optical fiber and the output optical fiber are on a same side of each of the lens, the Faraday rotator, and the reflector. The optical isolator with input and output optical fibers arranged on a single side only needs to use one lens. The input and output splitting/combining devices are fixed on an end surfaces of input/output optical fibers, respectively.

Abstract: A connector for optically connecting an optical fiber to an optical fiber port at a leading edge of the connector, the connector comprising: a housing configured to receive the optical fiber; a latch coupled to the housing and extending from the housing toward the leading edge of the connector; and a handle coupled to the latch, the handle operable to move the latch between locked and unlocked positions with respect to the optical fiber port, wherein moving the handle away from the leading edge of the connector unlocks the latch from the optical fiber port.

Abstract: A head-up display for a vehicle comprises an optical component having a reflective surface arranged, during head-up display operation, in a configuration that is conducive to sunlight glare. A light control layer is disposed on the optical component to receive sunlight on an optical path to the reflective surface. The light control layer comprises a sunlight-receiving surface and a core material separating an array of louvres. The sunlight-receiving surface of the light control layer is serrated in coordination with the array of louvres so as to deflect received sunlight away from the eye-box of the head-up display.

Abstract: There is provided an optical communication device having a silicon photonics (SiPh) component configured to perform an optical communication function; a complementary metal oxide semiconductor (CMOS) drive circuit coupled to the SiPh device for operation thereof; and one or more controllably adjustable CMOS impedance circuits coupled to the SiPh component and the electrical drive circuit. In the optical communication device, impedances of each of the CMOS impedance circuits can be adjustable over a respective limited range. The limited range may be designed and configured based at least in part on an anticipated amount of variation in electrical characteristics of the SiPh component, the CMOS electrical drive circuit, or a combination thereof. Such variation may be anticipated due to manufacturing variability.

Abstract: According to an aspect of an embodiment, operations may include obtaining a respective target temperature for each respective segment of multiple segments of a Highly Non-Linear optical Fiber (HNLF). Each respective target temperature may be based on a respective Zero-Dispersion Wavelength (ZDW) distribution of its corresponding segment and may be based on a target ZDW of the HNLF. The operations may also include adjusting a respective temperature of each respective segment that may be based on the respective target temperature of each respective segment such that each respective segment has a respective ZDW that is within a threshold of the target ZDW.

Abstract: A semiconductor Mach-Zehnder optical modulator includes input-side lead-out lines, phase modulation electrode lines, and electrodes that apply modulation signals propagating through the phase modulation electrode lines to waveguides, respectively. The semiconductor Mach-Zehnder optical modulator further includes a conductive layer between a substrate and the waveguides, a plurality of first wiring layers connected to the conductive layer, and a second wiring layer that connects an electrode pad and the plurality of first wiring layers.

Abstract: An optical modulator includes: an optical modulation element that is configured to generate two modulated light beams, each of which is modulated by two sets of electrical signals, and that includes a plurality of signal electrodes; a plurality of signal input terminals, each of which inputs an electrical signal; a relay substrate on which a plurality of signal conductor patterns and a plurality of ground conductor patterns are formed, the relay substrate being configured to propagate the two sets of electrical signals by two pairs of the adjacent signal conductor patterns; and a housing, in which the at least two signal conductor patterns including at least one parts mounting part including electrical circuit elements are configured such that first signal propagation directions, which are signal propagation directions at the parts mounting parts, are different from each other.

Abstract: A supercontinuum source including a pump source and a supercontinuum generator configured for receiving electromagnetic radiation derived from the pump source and for generating supercontinuum radiation, the supercontinuum generator including a nonlinear microstructured optical fibre having a core region comprising silica. The core region includes a dopant selected to reduce light-induced non-bridging oxygen hole centre loss in the nonlinear microstructured optical fibre.

Abstract: A fiber optic cassette includes a body defining a front and an opposite rear. A cable entry location, such as a multi-fiber connector, is defined on the body for a cable to enter the cassette, wherein a plurality of optical fibers from the cable extend into the cassette and form terminations at one or more single or multi-fiber connectors adjacent the front of the body. A flexible substrate is positioned between the cable entry location and the connectors adjacent the front of the body, the flexible substrate rigidly supporting the plurality of optical fibers. Each of the connectors adjacent the front of the body includes a ferrule. Dark fibers can be provided if not all fiber locations are used in the multi-fiber connectors. Multiple flexible substrates can be used with one or more multi-fiber connectors.

Abstract: An anti-resonant hollow-core fiber comprising a first tubular, cladding element which defines an internal cladding surface, a plurality of second tubular elements which are attached to the cladding surface and together define a core with an effective radius, the second tubular elements being arranged in spaced relation and adjacent ones of the second tubular elements having a spacing therebetween, and a plurality of third tubular elements, each nested within a respective one of the second tubular elements.

Abstract: A fiber optic ferrule and a guide pin clamp allows for changing guide pins in the field. The guide pin clamp has a forward clamp portion, a rearward clamp portion configured to engage the biasing spring and a guide pin retaining plate. The forward clamp portion and the rearward clamp portion move relative to one another to also move guide pin retaining plate from a first position to a second position to allow for the removal or insertion of guide pins.

Abstract: A head-up display for a vehicle comprises an optical component having a reflective surface arranged, during head-up display operation, in a configuration that is conducive to sunlight glare. A light control layer is disposed on the optical component to receive sunlight on an optical path to the reflective surface. The light control layer comprises a sunlight-receiving surface and a core material separating an array of louvres. The sunlight-receiving surface of the light control layer is serrated in coordination with the array of louvres so as to deflect received sunlight away from the eye-box of the head-up display.

Abstract: A sensor for detecting an analyte can include a photoluminescent nanostructure embedded in a sensor porous planar substrate. The sensor porous planar substrate can be supported by a substrate porous planar substrate.

Abstract: An amplification fiber includes a core which is doped with an erbium ion and a cladding which surrounds the core and has a refractive index lower than a refractive index of the core, and a relative refractive index difference ?n51 between the core and the cladding is not more than a smaller one of values of a relative refractive index difference ?n1 expressed as a predetermined expression related to a radius a of the core and a relative refractive index difference ?n2 expressed as a predetermined expression related to the radius a of the core.

Abstract: An optical device may comprise a laser configured to generate an optical beam and a Mach-Zehnder Interferometer (MZI) configured to amplify the optical beam. The MZI may comprise a first coupler and a second coupler connected via a plurality of arms of the MZI. An arm, of the plurality of arms, may provide an optical path for part of the optical beam and may comprise a semiconductor optical amplifier (SOA) configured to amplify the part of the optical beam and a phase shifter configured to adjust a phase of the part of the optical beam.

Abstract: A plug connector part for an optical and/or electrical plug connection has at least a housing and at least a clamping sleeve, which are connected to each other by a releasable screw connection, wherein a strain relief arrangement for a cable guided into the plug connector part is arranged inside the housing and/or the clamping sleeve, which strain relief arrangement includes a strain relief sleeve, which is supported on an outer sleeve. The strain relief arrangement includes a sleeve opening toward the front in a funnel-shaped manner at least over a part of its length, through which litz wires, fibers or the like of the cable are guided and fixed therein.

Abstract: A fiber optic cable spool is disclosed herein. The fiber optic cable spool may include a first radial flange located at a first axial end of the fiber optic cable spool, a second radial flange located at a second axial end of the fiber optic cable spool, and a drum that extends axially between the first and second radial flanges. The fiber optic cable spool may also include a storage compartment located within the drum. The first radial flange may define a first opening for accessing the storage compartment within the drum. The drum may have a circumferential drum surface that defines a second opening for accessing the storage compartment within the drum.

Abstract: An optical beam combiner circuit includes a plurality of branch portions configured to divide optical beams output from a plurality of input waveguides, a combiner unit configured to combine optical beams, each of the optical beams being one of the divided optical beams obtained by one of the plurality of branch portions, an output waveguide configured to output an optical beam obtained by the combiner unit combining the optical beams, a plurality of monitoring waveguides configured to output optical beams, each of the optical beams being another of the divided optical beams obtained by one of the plurality of branch portions, and a plurality of light-blocking grooves provided on both sides with respect to each input waveguide, the plurality of light-blocking grooves being positioned to enable stray light not coupled to the plurality of input waveguides to be reflected toward an end surface different from an exit end surface of each monitoring waveguide and also different from an exit end surface of the outpu

Abstract: A pluggable module includes a housing having a top wall including an opening above a module cavity. The pluggable module includes a heat exchange assembly separate and discrete from the housing extending into the module cavity through the opening. The heat exchange assembly includes a thermal bridge having an upper thermal interface and a lower thermal interface. The thermal bridge includes a plurality of interleaved plates arranged in a plate stack with the plates being movable relative to each other in the plate stack. The lower thermal interface is in thermal communication with the electrical component to dissipate heat from the electrical component. The thermal bridge extends through the opening with the upper thermal interface exposed from above for dissipating heat from the heat exchange assembly.