G02B6/124

Transmission guided-mode resonant grating integrated spectroscopy device and method for manufacturing same

The present invention provides a transmission guided-mode resonant grating integrated spectroscopy device (transmission GMRG integrated spectroscopy device) characterized by comprising, disposed in this order on an optical detector array in which a plurality of diodes are mounted on a substrate made of a semiconductor: a transparent spacer layer; a waveguide layer; a transparent buffer layer provided as desired; a transmission metallic grating layer having a thickness causing surface plasmon; and a transparent protection film layer which is provided as desired.

Transmission guided-mode resonant grating integrated spectroscopy device and method for manufacturing same

The present invention provides a transmission guided-mode resonant grating integrated spectroscopy device (transmission GMRG integrated spectroscopy device) characterized by comprising, disposed in this order on an optical detector array in which a plurality of diodes are mounted on a substrate made of a semiconductor: a transparent spacer layer; a waveguide layer; a transparent buffer layer provided as desired; a transmission metallic grating layer having a thickness causing surface plasmon; and a transparent protection film layer which is provided as desired.

ELECTRODE STRUCTURE AND PHOTODETECTION ELEMENT

An electrode structure includes: a metal film with an opening formed in a part of the metal film; and a transparent conductive film disposed in the opening, wherein the transparent conductive film is electronically connected to an element and overlaps with the element as viewed in a plan view in a thickness direction of the transparent conductive film.

Apparatus for optical coupling and system for communication

Disclosed are apparatuses for optical coupling and a system for communication. In one embodiment, an apparatus for optical coupling including a substrate and a grating coupler is disclosed. The grating coupler is disposed on the substrate and includes a plurality of coupling gratings arranged along a first direction, wherein effective refractive indices of the plurality of coupling gratings gradually decrease along the first direction.

Optical waveguide and optical concentration measuring apparatus comprising a support with a shifted connecting portion

An optical waveguide (10) includes a substrate (15), a core layer (11) that extends along the longitudinal direction and through which infrared light IR can propagate, and a support (17) formed from a material with a smaller refractive index than the core layer (11) and configured to connect at least a portion of the substrate (15) and at least a portion of the core layer (11) to support the core layer with respect to the substrate (15). A connecting portion (171) of the support (17) connected to the core layer (11) is shifted from the position having the shortest distance from the center to the outer surface in a cross-section perpendicular to the longitudinal direction of the core layer (11).

Silicon photonic integrated circuit and fiber optic gyroscope apparatus using grating couplers
11313682 · 2022-04-26 · ·

A silicon photonic integrated circuit is provided, which includes a first optical power splitter, a second optical power splitter, a first grating coupler and a second grating coupler. The first optical power splitter has an input, a first output and a second output, in which the input is configured to receive an inputted beam, and the first output is configured to output a returned beam. The second optical power splitter has an input, a first output and a second output, in which the input is coupled to the second output of the first optical power splitter. The first and second grating couplers are respectively coupled to the first and second outputs of the second optical power splitter, and are configured to optically couple two opposite ends of a fiber coil, respectively.

WAVEGUIDE INTEGRATION WITH OPTICAL COUPLING STRUCTURES ON LIGHT DETECTION DEVICE

Provided herein include various examples of an apparatus, flow cells that include these examples of the apparatus, and methods of making these examples of the apparatus. The apparatus can include a molding layer over a substrate and covering sides of a light detection device. The molding layer comprises a first region and a second region, which, with the active surface of the light detection device, form a contiguous surface. A waveguide integration layer is between the contiguous surface and a waveguide. The waveguide integration layer comprises optical coupling structures over the first and second regions, to optically couple light waves from a light source to the waveguide. The waveguide utilizes the light waves to excite light sensitive materials in nanowells. A nanostructure layer over the waveguide comprises the nanowells. Each nanowell shares a vertical axis with a location on the active surface of the light detection device.

WAVEGUIDE INTEGRATION WITH OPTICAL COUPLING STRUCTURES ON LIGHT DETECTION DEVICE

Provided herein include various examples of an apparatus, flow cells that include these examples of the apparatus, and methods of making these examples of the apparatus. The apparatus can include a molding layer over a substrate and covering sides of a light detection device. The molding layer comprises a first region and a second region, which, with the active surface of the light detection device, form a contiguous surface. A waveguide integration layer is between the contiguous surface and a waveguide. The waveguide integration layer comprises optical coupling structures over the first and second regions, to optically couple light waves from a light source to the waveguide. The waveguide utilizes the light waves to excite light sensitive materials in nanowells. A nanostructure layer over the waveguide comprises the nanowells. Each nanowell shares a vertical axis with a location on the active surface of the light detection device.

PHOTONIC COMMUNICATION PLATFORM AND RELATED CIRCUITS

Photonic interposers that enable low-power, high-bandwidth inter-chip (e.g., board-level and/or rack-level) as well as intra-chip communication are described. Described herein are techniques, architectures and processes that improve upon the performance of conventional computers. Some embodiments provide photonic interposers that use photonic tiles, where each tile includes programmable photonic circuits that can be programmed based on the needs of a particular computer architecture. Some tiles are instantiations of a common template tile that are stitched together in a 1D or a 2D arrangement. Some embodiments described herein provide a programmable physical network designed to connect pairs of tiles together with photonic links.

COMPACT MICRO ELECTRICAL MECHANICAL ACTUATED RING-RESONATOR
20230296833 · 2023-09-21 ·

A compact micro electrical mechanical actuated ring-resonator includes a bus waveguide disposed on a platform; a ring resonator disposed on the platform, including at least a first optical coupler, wherein the ring resonator is optically coupled with the bus waveguide; and a selective waveguide disposed on a piezoelectric cantilever mounted in a trench defined in the platform, wherein the selective waveguide includes a second optical coupler and is controllable to selectively adjust a coupling ratio between the first optical coupler with the second optical coupler by physically changing a distance between the first optical coupler and the second optical coupler.