Abstract: A photonic interconnect apparatus includes tunable light devices, multiplexers to multiplex optical signals produced by the tunable light devices onto optical paths, and a cyclic arrayed waveguide grating (AWG) to receive the optical signals over the optical paths, and to direct a given optical signal of the received optical signals to a selected output of a plurality of outputs of the cyclic AWG based on a wavelength of the given optical signal. A respective demultiplexer directs the given optical signal to a selected output of a plurality of outputs of the respective demultiplexer according to which coarse wavelength band the wavelength of the given optical signal is part of.

Abstract: A high contrast grating optical modulation includes an optical modulator at a front surface of a substrate to modulate received light. The high contrast grating optical modulation further includes a high contrast grating (HCG) lens adjacent to a back surface of the substrate opposite to the front surface to focus incident light onto the optical modulator. The substrate is transparent to operational wavelengths of the focused incident light and the modulated light.

Abstract: Bidirectional optical multiplexing employs a high contrast grating as one or both of a beam-forming lens and a relay mirror. A bidirectional optical multiplexer includes the beam-forming lens to focus light. The light is one or both of a light beam internal to and another light beam external to the bidirectional optical multiplexer. The bidirectional optical multiplexer further includes an optical filter and the relay mirror. The optical filter is to selectively pass a portion of the internal light beam at a first wavelength and to reflect portions of the internal light beam at other wavelengths. The relay mirror is to reflect the internal light beam along a zigzag propagation path between the optical filter and the relay mirror.

Abstract: An example device includes a first semiconductor component comprising at least two lasers to emit light at a first wavelength; a second semiconductor component comprising at least two lasers to emit light at a second wavelength, the first wavelength being different from the second wavelength; and an optical multiplexer to receive light from two lasers at the first wavelength and light from two lasers at the second wavelength. The optical multiplexer component includes a first output interface to couple light from one laser at the first wavelength and light from one laser at the second wavelength to a first optical fiber, and a second output interface to couple light from one laser at the first wavelength and light from one laser at the second wavelength beams to a second optical fiber.

Abstract: Loss compensated optical switching includes an optical crossbar switch and a wafer bonded semiconductor amplifier (SOA). The optical crossbar switch has a plurality of input ports and a plurality of output ports and is on a substrate of a first semiconductor material. The wafer bonded SOA includes a layer of second semiconductor material that is wafer bonded to a surface of the substrate such that a portion of the wafer bonded SOA semiconductor material layer overlies a portion of a port of the plurality of input ports. The second semiconductor material of the wafer bonded SOA is different from the first semiconductor material of the substrate.

Abstract: A device includes a first element and a second element. The first element includes a plurality of mirrors formed as concave features on the first element. The second element is to support a plurality of filters. The first element is coupleable to the second element to align the plurality of mirrors relative to the plurality of filters to operate as a multiplexer or de-multiplexer.

Abstract: A composite wafer includes a molded wafer and a second wafer. The molded wafer includes a plurality of first components, and the second wafer includes a plurality of second components. The second wafer is combined with the molded wafer to form the composite wafer. At least one of the first components is aligned with at least one of the second components to form a multi-component element. The multi-component element is singulatable from the composite wafer.

Abstract: A monolithically integrated, self-aligning, optical-fiber ferrule for a pigtailed opto-electronic module. The ferrule includes a body, a cavity defined within the body, a lateral alignment structure, and an optical-fiber stop. The cavity is to accept and align an optical fiber with an end of the cavity to face an optical aperture of an opto-electronic component. The lateral alignment structure is to self-align laterally the optical fiber with the optical aperture. The optical-fiber stop is coupled to the body, to self-align vertically the optical fiber. The body, the cavity, the lateral alignment structure and the optical-fiber stop are integrated together as a portion of a monolithically integrated chip. A system and a pigtailed opto-electronic engine that include the ferrule are also provided.

Abstract: Techniques related to optical devices including a high contrast grating (HCG) lens are described herein. In an example, an optical device includes a transparent substrate. A laser emitter or detector at a first side of the transparent substrate to emit or detect a laser light transmitted via the transparent substrate. A HCG lens is at a second side of the transparent substrate to transmit and refract the laser light.

Abstract: Apparatuses and methods for high density laser optics are provided. An example, of a laser optics apparatus includes a plurality of vertical cavity surface emitting lasers (VCSELs) in a monolithically integrated array, a high contrast grating (HCG) integrated with an aperture of a vertical cavity of each of the plurality of the VCSELs to enable emission of a single lasing wavelength of a plurality of lasing wavelengths, and a plurality of single mode waveguides, each integrated with a grating coupler, that are connected to each of the plurality of the integrated VCSELs and the HCGs, where each of the grating couplers is aligned to an integrated VCSEL and HCG.

Abstract: A mode-controlled laser system includes an active region to generate optical energy in response to an electric signal. The system also includes a mirror to resonate the optical energy in an optical cavity. The system also includes a HCG mode control reflector arranged in the optical cavity to control the resonated optical energy into a substantially non-Gaussian intensity profile. The resonated optical energy can be emitted as an optical signal having the substantially non-Gaussian intensity profile.

Abstract: One example relates to an optical engine comprising an optical waveguide. The optical waveguide can comprise a total internal reflection (TIR) edge to change direction of an optical light beam to an angle parallel to a top surface and a bottom surface of the optical waveguide. The optical waveguide can also comprise a plurality of aligning holes extending from the top surface to the bottom surface of the optical waveguide. The optical engine can comprise a substantially transparent slab underlying the optical waveguide. The slab can also comprise a micro lens to collimate the optical light beam. The slab can further comprise a plurality of aligning pins extending perpendicular from a top surface and bottom surface of the slab. Each of the plurality of aligning pins can extend through a respective one of the plurality of aligning holes.

Abstract: An optical coupling system includes an optical signal source to provide an optical signal from an aperture. The system also includes a substantially planar high-contrast grating (HCG) lens to convert an optical mode of the optical signal to provide a converted optical signal having a mode-isolating intensity profile. The system further includes an optical element to receive the converted optical signal. The optical signal source and the substantially planar HCG lens can be arranged to substantially mitigate coupling of a reflected optical signal associated with the converted optical signal that is reflected from the optical element to the aperture of the optical signal source based on a reflected mode-isolating intensity profile.

Abstract: A glass-silicon wafer stacked platform. The platform includes a plurality of silicon pillars defining a ferrule receptacle, a silicon spacer connected to bases of the pillars and enclosing an aperture, a glass wafer bonded to the spacer, a microlens array formed in a first surface of the glass wafer and located in the aperture, conductive material carried by a second surface of the glass wafer, and contacts in electrical communication with the conductive material.

Abstract: One example relates to an optical engine comprising an optical waveguide. The optical waveguide can comprise a total internal reflection (TIR) edge to change direction of an optical light beam to an angle parallel to a top surface and a bottom surface of the optical waveguide. The optical waveguide can also comprise a plurality of aligning holes extending from the top surface to the bottom surface of the optical waveguide. The optical engine can comprise a substantially transparent slab underlying the optical waveguide. The slab can also comprise a micro lens to collimate the optical light beam. The slab can further comprise a plurality of aligning pins extending perpendicular from a top surface and bottom surface of the slab. Each of the plurality of aligning pins can extend through a respective one of the plurality of aligning holes.

Abstract: Apparatuses and methods for high density laser optics are provided. An example, of a laser optics apparatus includes a plurality of vertical cavity surface emitting lasers (VCSELs) in a monolithically integrated array, a high contrast grating (HCG) integrated with an aperture of a vertical cavity of each of the plurality of the VCSELs to enable emission of a single lasing wavelength of a plurality of lasing wavelengths, and a plurality of single mode waveguides, each integrated with a grating coupler, that are connected to each of the plurality of the integrated VCSELs and the HCGs, where each of the grating couplers is aligned to an integrated VCSEL and HCG.

Abstract: A fiber connector assembly is provided. The fiber connector assembly includes a fiber connector, a zig-zag member, a signal direction element, and a signal splitting element. The fiber connector receives an input signal from an input fiber. The zig-zag member relays the input signal using a plurality of relay mirrors. The signal direction element directs the input signal and the output signal. The signal splitting element separates the output signal from the input signal. The fiber connector couples the output signal to an output fiber.

Abstract: A computing system includes an optical transmission media to propagate a single-mode signal and a multimode signal, and support mode matching with the single-mode signal and multimode signal. A lowest-order mode of the optical transmission media is to couple the single-mode signal, and at least one higher-order mode of the optical transmission media is to couple the multimode signal. The optical transmission media is to enable extraction of the single-mode signal from the optical transmission media independently of the multimode signal.

Abstract: According to an example, an apparatus for use in optoelectronics includes a bottom transparent layer, a top transparent layer having a top surface, a lens sandwiched between the bottom transparent layer and the top transparent layer, and a first alignment element attached to the top surface of the top transparent layer, wherein the first alignment element is offset with respect to the lens and is to mate with a mating alignment element on an optical transmission medium.

Abstract: A monolithically integrated, self-aligning, optical-fiber ferrule for a pigtailed opto-electronic module. The ferrule includes a body, a cavity defined within the body, a lateral alignment structure, and an optical-fiber stop. The cavity is to accept and align an optical fiber with an end of the cavity to face an optical aperture of an opto-electronic component. The lateral alignment structure is to self-align laterally the optical fiber with the optical aperture. The optical-fiber stop is coupled to the body, to self-align vertically the optical fiber. The body, the cavity, the lateral alignment structure and the optical-fiber stop are integrated together as a portion of a monolithically integrated chip. A system and a pigtailed opto-electronic engine that include the ferrule are also provided.