Abstract: A pluggable device and method are presented. The pluggable device includes a substrate, a first pin positioned on the substrate, an optical source positioned on the substrate, and an integrated circuit positioned on the substrate. The optical source produces a source optical signal and transmits the source optical signal through the first pin. The integrated circuit transmits a received optical data signal and transmits a data signal based on a portion of the optical data signal.

Abstract: Heatsinking in laser devices may be improved via a device, including: a header disk having a first face with a circumference; a header post that is thermally conductive, and having: a second face connected to the first face coterminously with the circumference; a third face opposite to the second face; and a fourth face perpendicular to the second face and the third face; a lens holder, having a fifth face connected to the third face; and an optical subassembly connected to the fourth face and optically aligned with the lens holder. The device may also be understood to comprise: a header disk having a circumference; a header post that is thermally conductive, the header post having: an arc coterminous to a portion of the circumference; a mounting face, perpendicular to a plane in which the arc and the circumference are defined; and a bonding face perpendicular to the mounting face.

Abstract: An optical module includes an optical source, a first polarization splitter-rotator, a second polarization splitter-rotator, a first port, a second port, a third port, and a fourth port. The optical source produces an optical signal. The first polarization splitter-rotator generates a first source optical signal based at least in part on the optical signal. The second polarization splitter-rotator generates a second source optical signal based at least in part on the optical signal. The first port transmits, to a first device, the first source optical signal and receives, from the first device, a first modulated optical signal. The first polarization splitter-rotator produces a second modulated optical signal. The second port transmits, to a second device, the second source optical signal and receives, from the second device, a third modulated optical signal. The second polarization splitter-rotator produces a fourth modulated optical signal.

Abstract: Embodiments herein describe an electro-optic waveguide having a multi-mode multi-pass phase shifter (MMPS) tuner, one or more two-mode Bragg gratings, and one or more selective evanescent couplers. An input signal having a fundamental mode is reflected by the one or more Bragg gratings and tuned by the MMPS tuner. In this manner, the electro-optic waveguide isolates the higher order modes of the input signal. The one or more selective evanescent couplers capture an output signal having the highest order mode and reduces the mode of the output signal to the fundamental mode.

Abstract: The systems and devices described provide for a user selectable CPO interface for both duplex and parallel optical network interfaces. The systems include a pluggable optical device with a laser source subassembly, an internal optical connector, a plurality of laser source optical paths connecting the laser source subassembly to the internal optical connector, and an external optical connector. The system also includes a plurality of transmit optical paths connecting the internal optical connector and the external optical connector and a plurality of receive paths connecting the internal optical connector and the external optical connector.

Abstract: Aspects include a pluggable optical device and related optical system. The pluggable optical device comprises a housing, a printed circuit board (PCB) within the housing, and one or more blind mate optical connectors attached to the PCB along a first end of the PCB. The pluggable optical device further comprises one or more electrical contacts of the PCB near the first end, one or more external optical connectors arranged near a second end of the PCB opposite the first end, and one or more optical components attached to the PCB and included in optical paths extending between the one or more external optical connectors and the one or more blind mate optical connectors.

Abstract: A pluggable device and method are presented. The pluggable device includes a substrate, a first pin positioned on the substrate, an optical source positioned on the substrate, and an integrated circuit positioned on the substrate. The optical source produces a source optical signal and transmits the source optical signal through the first pin. The integrated circuit transmits a received optical data signal and transmits a data signal based on a portion of the optical data signal.

Abstract: A system, method, and photonic chip for an optical circulator are described. The system includes a first polarization splitter, a first optical circuit, and a first controller. The first polarization splitter receives, at a first port of the first polarization splitter, a first optical signal. The first optical circuit is optically coupled to the first polarization splitter. The first optical circuit includes a first plurality of phase shifters. The first optical circuit receives, at a first port of the first optical circuit, a second optical signal. The first controller adjusts the first plurality of phase shifters such that the first optical circuit outputs the first optical signal at a second port of the first optical circuit and such that the first polarization splitter outputs the second optical signal at the first port of the first polarization splitter.

Abstract: Embodiments herein describe a pluggable module that includes a ROADM implemented in a photonic integrated circuit (PIC). By implementing the ROADM in a PIC, the ROADM can be placed on smaller, pluggable modules (e.g., a Small Form-factor Pluggable (SFP) which can be a hot-pluggable network interface module).

Abstract: The optical devices described herein include a lens arrangement for coupling light between light sources and optical fibers with a reduced size compared to the use of optical waveguides, while also allowing for the use of power sensitive optical components, such as components with lower power density configurations. The lens arrangements include a collimating lens, a focusing lens, and at least one optical component positioned between the collimating lens and the focusing lens.

Abstract: Solder reflow compatible connections between optical components are provided by use of reflow compatible epoxies to bond optical components and remain bonded between the optical components at temperatures of at least 260 degrees Celsius for at least five minutes. In some embodiments, the reflow compatible epoxy is index matched to the optical channels in the optical components and is disposed in the light path therebetween. In some embodiments, a light path is defined between the optical channels through at least a portion of an air gap between the optical components.

Abstract: Aspects described herein include a method of fabricating an optical component, the optical component, and a method of operating the optical component. A method includes electrically coupling a first laser channel and a second laser channel of a laser die to different electrical leads and testing (i) a first optical coupling of the first laser channel and a second optical coupling of the second laser channel or (ii) a first spectral performance of the first laser channel and a second spectral performance of the second laser channel. The method also includes optically aligning an optical fiber with the first laser channel and designating the second laser channel as a heater element for the first laser channel based at least in part on (i) the first optical coupling being greater than the second optical coupling or (ii) the first spectral performance relative to the second spectral performance.

Abstract: Thermal isolation elements are provided in wafer-bonded silicon photonics that include a photonic platform, including a heating element and an optical waveguide that are disposed between a first surface and a second surface (opposite to the first surface) of the photonic platform; a substrate, including a third surface and a fourth surface (opposite to the third surface); wherein the first surface of the photonic platform is bonded to the third surface of the substrate; and wherein a cavity is defined by a trench in one or more of: the first surface and extending towards, but not reaching, the second surface, and the third surface and extending towards, but not reaching, the fourth surface; wherein the cavity is filled with a gas of a known composition at a predefined pressure; and wherein the cavity is aligned with the optical waveguide and the heating element.

Abstract: A system includes a first device and a second device. The first device generates a source optical signal using a first optical signal and a polarization splitter-rotator. The second device modulates the source optical signal from the first device using a first data signal to produce a first modulated optical signal. The first modulated optical signal has a polarization that is orthogonal to a polarization of the source optical signal. The first device recovers the first data signal from the first modulated optical signal using at least the polarization splitter-rotator.

Abstract: A system includes a first device and a second device. The first device generates a source optical signal using a first optical signal and a polarization splitter-rotator. The second device modulates the source optical signal from the first device using a first data signal to produce a first modulated optical signal. The first modulated optical signal has a polarization that is orthogonal to a polarization of the source optical signal. The first device recovers the first data signal from the first modulated optical signal using at least the polarization splitter-rotator.

Abstract: An optical module includes an optical source, a first polarization splitter-rotator, a second polarization splitter-rotator, a first port, a second port, a third port, and a fourth port. The optical source produces an optical signal. The first polarization splitter-rotator generates a first source optical signal based at least in part on the optical signal. The second polarization splitter-rotator generates a second source optical signal based at least in part on the optical signal. The first port transmits, to a first device, the first source optical signal and receives, from the first device, a first modulated optical signal. The first polarization splitter-rotator produces a second modulated optical signal. The second port transmits, to a second device, the second source optical signal and receives, from the second device, a third modulated optical signal. The second polarization splitter-rotator produces a fourth modulated optical signal.

Abstract: Aspects described herein include an optical apparatus comprising a plurality of light-carrying media, a wavelength division multiplexing (WDM) device optically coupled with the plurality of light-carrying media, and a lens arranged between the WDM device and a multicore optical fiber. An arrangement of the plurality of light carrying media and the WDM device are selected to align each of the plurality of light-carrying media with a respective optical core of the multicore optical fiber.

Abstract: A laser integrated photonic platform to allow for independent fabrication and development of laser systems in silicon photonics. The photonic platform includes a silicon substrate with an upper surface, one or more through silicon vias (TSVs) defined through the silicon substrate, and passive alignment features in the substrate. The photonic platform includes a silicon substrate wafer with through silicon vias (TSVs) defined through the silicon substrate, and passive alignment features in the substrate for mating the photonic platform to a photonics integrated circuit. The photonic platform also includes a III-V semiconductor material structure wafer, where the III-V wafer is bonded to the upper surface of the silicon substrate and includes at least one active layer forming a light source for the photonic platform.

Abstract: Laser Side Mode Suppression Ratio (SMSR) control is provided via a logic controller configured to measure an SMSR of a carrier wave upstream of a modulator and measure an Average Optical Power (AOP) of the carrier wave downstream of the modulator; transmit a bias voltage based on the SMSR and the AOP to a laser driver for a laser generating the carrier wave; and transmit an attenuation level based on the SMSR and the AOP to a Variable Optical Attenuator (VOA) upstream of the modulator. In various embodiments the attenuation level and bias voltage can rise or fall together, or one may rise and one may fall to ensure the output optical signal meets specified SMSR and AOP values.

Abstract: An optical apparatus comprises a semiconductor substrate and a slab-coupled optical waveguide (SCOW) emitter disposed on the semiconductor substrate. The SCOW emitter comprises an optical waveguide comprising: a first region doped with a first conductivity type; a second region doped with a different, second conductivity type; and an optically active region disposed between the first region and the second region. The optically active region comprises a plurality of quantum dots.