G02B6/3548

Thin waveguide beam redirector and display based thereon

A device for redirecting light in two dimensions (2D) includes a wavelength-tunable light source for providing light having a spectral component at a first wavelength. A 1D redirector redirects the light in a first plane. A thin waveguide is disposed in the first plane. The thin waveguide includes a slab waveguide portion coupled to the 1D redirector for propagating light redirected by the 1D redirector. The slab waveguide portion includes a wavelength-sensitive out-coupler out-coupling the light in a second plane at an angle dependent on the first wavelength. Thus, the light is redirected in two dimensions. A display device providing image in angular domain may be based on the device for redirecting light in two dimensions.

DISTANCE-ROUTE RESOURCE SHARING FOR DISTRIBUTED FIBER OPTIC SENSORS
20220086541 · 2022-03-17 · ·

Aspects of the present disclosure describe distributed fiber optic sensing (DFOS) systems, methods, and structures that advantageously employ a flexible resource sharing that balances sending distance requirements and route requirements. Such flexibility is achieved by including an ultra-fast 1×N optical switch with a DFOS interrogator and N fiber optic sensor routes. Synchronous control provides for real-time configuration/reconfiguration of the DFOS system.

Wavelength-splitting optical cable
20220043214 · 2022-02-10 ·

An optical cable includes a single optical connector configured for insertion into an optical receptacle so as to receive optical signals at a plurality of different wavelengths from the optical receptacle, and multiple electrical connectors, configured for insertion into respective electrical receptacles. Each electrical connector includes a transceiver configured to convert the optical signals into electrical output signals for output to an electrical receptacle. The optical cable further includes a plurality of optical fibers, having respective first ends connected together to the single optical connector so as to receive the optical signals. Each of the optical fibers has a respective second end coupled to a respective one of the electrical connectors. Wavelength selection optics are associated with the optical fibers so that the transceiver in each of the electrical connectors receives the optical signals at a different, respective one of the wavelengths.

Large scale steerable coherent optical switched arrays

Aspects of the present disclosure describe large scale steerable optical switched arrays that may be fabricated on a common substrate including many thousands or more emitters that may be arranged in a curved pattern at the focal plane of a lens thereby allowing the directional control of emitted light and selective reception of reflected light suitable for use in imaging, ranging, and sensing applications including accident avoidance.

LASER APPARATUS
20210308786 · 2021-10-07 ·

Changing non-mechanically a direction of irradiating a laser. The laser apparatus includes an optical device and a laser irradiation device. The optical device has two reflection mirrors facing each other, and a waveguide between the two reflection mirrors. The laser irradiation device irradiates the optical device with laser. The optical device is configured so that at least a portion of the laser travels on the waveguide by being reflected by the two reflection mirrors in order. The optical device has an output surface that emits a portion of the laser. The laser irradiation device has a plurality of irradiation parts including a first irradiation part that irradiates a first laser and a second irradiation part that irradiates a second laser. When viewed from a normal direction of the output surface, a traveling direction of the first laser is not parallel to a traveling direction of the second laser.

Photonic apparatus using a phase alignment waveguide

System, methods, and other embodiments described herein relate to a photonic apparatus. The photonic apparatus including a phase alignment waveguide including waveguide inputs and waveguide outputs. The waveguide inputs being operably connected with a light source to provide a light wave into the phase alignment waveguide and the waveguide outputs providing a plurality of light waves from the optical waveguide. The phase alignment waveguide modulates the light wave to generate the plurality of light waves with different phases. The photonic apparatus includes a transmit switch operably connected with the waveguide inputs to selectively connect at least one of the waveguide inputs with the light source to provide the light wave into the phase alignment waveguide. The photonic apparatus includes control circuitry operably connected with the transmit switch, the control circuitry dynamically activating the at least one of the waveguide inputs according to an electronic control signal.

Wavelength-splitting optical cable

An optical cable includes a single optical connector configured for insertion into an optical receptacle so as to receive optical signals at a plurality of different wavelengths from the optical receptacle, and multiple electrical connectors, configured for insertion into respective electrical receptacles. Each electrical connector includes a transceiver configured to convert the optical signals into electrical output signals for output to an electrical receptacle. The optical cable further includes a plurality of optical fibers, having respective first ends connected together to the single optical connector so as to receive the optical signals. Each of the optical fibers has a respective second end coupled to a respective one of the electrical connectors. Wavelength selection optics are associated with the optical fibers so that the transceiver in each of the electrical connectors receives the optical signals at a different, respective one of the wavelengths.

Optical processing
11073739 · 2021-07-27 · ·

A modular routing node includes a single input port and a plurality of output ports. The modular routing node is arranged to produce a plurality of different deflections and uses small adjustments to compensate for wavelength differences and alignment tolerances in an optical system. An optical device is arranged to receive a multiplex of many optical signals at different wavelengths, to separate the optical signals into at least two groups, and to process at least one of the groups adaptively.

THIN WAVEGUIDE IMAGER
20210302737 · 2021-09-30 ·

A device for providing a 1D line of an image is disclosed. The device is based on a thin slab waveguide coupled to a beam redirecting device such as a tiltable mirror MEMS scanner, a waveguide-based phased array, or a waveguide-based optical switch switching image light between waveguides of a waveguide array coupled to a collimating element formed in the low-mode slab waveguide. The image may be formed by scanning a collimated beam propagating in the slab waveguide, or by forming the 1D singular distribution of brightness at a same time. The device may be used in a near-eye display for forming a 2D image in angular domain.

THIN WAVEGUIDE WAVELENGTH-SELECTIVE PROJECTOR
20210302738 · 2021-09-30 ·

A device for providing a 1D line of an image is disclosed. The device includes a wavelength-tunable light source for providing image light having the angular distribution encoded in optical spectrum. The device further includes a thin slab waveguide having an out-coupler in form of a diffraction grating for out-coupling the image light at an angle dependent on wavelength. The image may be formed by scanning a collimated beam propagating in the slab waveguide when using tunable monochromatic light sources, or by forming the 1D singular distribution of brightness at a same time when using a tunable-spectrum light sources. The device may be used in a near-eye display for forming a 2D image in angular domain.