公开(公告)号：US20240231181A9

公开(公告)日：2024-07-11

申请号：US18383415

申请日：2023-10-24

Applicant: Psiquantum, Corp.

Inventor： Mihai Dorian Vidrighin ,  Dylan Saunders

IPC: G02F1/35 ,  G02F1/365

CPC classification number: G02F1/3526 ,  G02F1/3536 ,  G02F1/365 ,  G02F2201/06

Abstract: A frequency conversion system includes a bus waveguide, a first pump laser coupled to the bus waveguide and characterized by a first frequency, a second pump laser coupled to the bus waveguide and characterized by a second frequency, an input light combining device coupled to the bus waveguide and configured to combine light from the first pump laser and the second pump laser to produce a combined light, and a plurality of optical resonators coupled to the bus waveguide. Each optical resonator of the plurality of optical resonators has a respective resonance line width, wherein for each optical resonators of the plurality the respective resonance line width overlaps with a resonance line width of at least one adjacent optical resonator of the plurality of optical resonators, and wherein each optical resonator of the plurality is configured to generate output light at a converted frequency via frequency mixing.

公开(公告)号：US20240120707A1

公开(公告)日：2024-04-11

申请号：US17960679

申请日：2022-10-05

Applicant: Microsoft Technology Licensing, LLC

Inventor： Yifei ZHANG ,  Thomas Hamish BARTER

IPC: H01S5/026 ,  F21V8/00 ,  G02B27/01 ,  G02F1/17 ,  G09G3/02 ,  H01S5/00 ,  H01S5/042

CPC classification number: H01S5/0265 ,  G02B6/0031 ,  G02B27/0172 ,  G02F1/17 ,  G09G3/02 ,  H01S5/0085 ,  H01S5/0427 ,  G02B2027/0112 ,  G02B2027/0118 ,  G02B2027/014 ,  G02B2027/0178 ,  G02F2201/06 ,  G02F2203/48 ,  G09G2310/06 ,  G09G2320/02 ,  G09G2320/041 ,  G09G2330/021

Abstract: A display system includes an integrated laser and modulator device and a display assembly. The integrated laser and modulator device includes a laser component configured to facilitate light emission responsive to applied current and a modulator component configured to selectively modulate light responsive to applied signal. The modulator component is integrally coupled to the laser component via a bridging structure that intervenes between the laser component and the modulator component. At least a portion of the bridging structure facilitates power reflectivity into a laser cavity of the laser component. The bridging structure facilitates transmission of light emitted by the laser component into the modulator component for modulation by the modulator component to provide modulated light. The display assembly is configured to direct the modulated light provided by the integrated laser and modulator device to illuminate pixels to form an image.

公开(公告)号：US20230291483A1

公开(公告)日：2023-09-14

申请号：US18197751

申请日：2023-05-16

Applicant: ZHEJIANG LAB

Inventor： Qiang ZHANG ,  Hui YU

IPC: H04B10/60 ,  G02F1/295 ,  G02F1/31 ,  G02F1/313

CPC classification number: H04B10/60 ,  G02F1/2955 ,  G02F1/311 ,  G02F1/3131 ,  G02F2202/10 ,  G02F2201/307 ,  G02F2203/70 ,  G02F2201/06 ,  G02F2201/205 ,  G02F2203/58

Abstract: A programmable two-dimensional simultaneous multi-beam optically operated phased array receiver chip is manufactured based on silicon-on-insulator (SOI) and indium phosphide (InP) semiconductor manufacturing processes, including the SiN process. The InP-based semiconductor is used for preparing a laser array chip and a semiconductor optical amplifier array chip, the SiN is used for preparing an optical power divider, and the SOI semiconductor is used for preparing a silicon optical modulator, a germanium-silicon detector, an optical wavelength multiplexer, a true delay line, and other passive optical devices. The whole integration of the receiver chip is realized through heterogeneous integration of the InP-based chip and the SOI-based chip. Simultaneous multi-beam scanning can be realized through peripheral circuit programming control. The chip not only can realize two-dimensional multi-beam scanning, but also has strong expansibility, such that the chip can be used for ultra-wideband high-capacity wireless communication and simultaneous multi-target radar recognition systems.

公开(公告)号：US20230288774A1

公开(公告)日：2023-09-14

申请号：US18052377

申请日：2022-11-03

Applicant: The Trustees of Columbia University in the City of New York

Inventor： Mateus Corato Zanarella ,  Andres Gil Molina ,  Xingchen Ji ,  Min Chul Shin ,  Aseema Mohanty ,  Michal Lipson

IPC: G02F1/225

CPC classification number: G02F1/225 ,  G02F2203/15 ,  G02F2201/06

Abstract: Methods, systems, and devices for light emission are disclosed. An example device may comprise an optical source configured to output light, a waveguide optically coupled to the optical source and configured to carry the light, and a feedback portion configured to reflect the light back to the optical source via the waveguide. The feedback portion may comprise a microresonator optically coupled to the waveguide. The device may comprise one or more tuning elements configured to tune one or more of the microresonator or the waveguide to cause constructive interference between the reflected light and light of the optical source, resulting in optical emission of both the reflected light and the light of the optical source from an end of the waveguide.

公开(公告)号：US20230258964A1

公开(公告)日：2023-08-17

申请号：US18011676

申请日：2021-06-23

Applicant: The University of Bristol

Inventor： Jorge Barreto ,  Gerardo Villarreal Garcia ,  Benjamin Burridge ,  Antonio Gentile

IPC: G02F1/01

CPC classification number: G02F1/0147 ,  G02F1/011 ,  G02F2201/06

Abstract: There is presented an apparatus for controlling an optical mode propagating within an optical waveguide assembly. The optical waveguide assembly comprising at least a waveguide core material for guiding the optical mode and being in an environment comprising a substance. The apparatus comprises a processor configured to transmit one or more control signals to at least one energy emitter to reversibly change at least a portion of the substance in contact with a portion of the waveguide assembly in a localised area of the waveguide assembly, from a first state of matter to a second different state of matter. The change of state of matter changing a characteristic of the optical mode. The processor further receives a sensor signal from a sensor monitoring the optical mode. Also presented are methods associated with the apparatus and methods for controlling a characteristic of an optical mode.

公开(公告)号：US20190162988A1

公开(公告)日：2019-05-30

申请号：US16267545

申请日：2019-02-05

Applicant: Luxtera, Inc.

Inventor： Ali Ayazi ,  Gianlorenzo Masini ,  Subal Sahni ,  Attila Mekis ,  Thierry Pinguet

IPC: G02F1/025 ,  G02F1/225

CPC classification number: G02F1/025 ,  G02F1/2257 ,  G02F2001/212 ,  G02F2201/06 ,  G02F2202/105

Abstract: Methods and systems for a low-parasitic silicon high-speed phase modulator are disclosed and may include in an optical phase modulator that comprises a PN junction waveguide formed in a silicon layer, wherein the silicon layer may be on an oxide layer and the oxide layer may be on a silicon substrate. The PN junction waveguide may have fingers of p-doped and n-doped regions on opposite sides along a length of the PN junction waveguide. Contacts may be formed on the fingers of p-doped and n-doped regions. The fingers of p-doped and n-doped regions may be arranged symmetrically about the PN junction waveguide or staggered along the length of the PN junction waveguide. Etch transition features may be removed along the p-doped and n-doped regions.

公开(公告)号：US20180284493A1

公开(公告)日：2018-10-04

申请号：US15476313

申请日：2017-03-31

Applicant: Jia Jiang

Inventor： Jia Jiang

IPC: G02F1/025 ,  G02F1/225

CPC classification number: G02F1/025 ,  G02F1/009 ,  G02F1/2257 ,  G02F2001/0156 ,  G02F2001/212 ,  G02F2201/06

Abstract: A phase shifting optical device and method of manufacture is provided. In an embodiment, the phase shifting optical device may include a first arm defining a first arm optical path, a second arm defining a second arm optical path, a beam splitter for splitting an input optical beam into first and second sub-beams for propagating in the first and second arm optical paths, respectively, and a beam combiner for combining the first and second sub-beams propagated in the first and second arm optical paths, respectively, into an output optical beam. The first arm including a carrier modification element to induce a phase shift in the first arm optical path relative to the second arm optical path. A cladding may be provided proximate to the first arm, the cladding having a temperature coefficient of refractive index (dn/dT)cl opposite in sign to a temperature coefficient of refractive index (dn/dT)a of the first arm.

公开(公告)号：US09991966B1

公开(公告)日：2018-06-05

申请号：US15400483

申请日：2017-01-06

Applicant: Dritan Celo ,  Lukas Chrostowski ,  Eric Bernier ,  Yun Wang

Inventor： Dritan Celo ,  Lukas Chrostowski ,  Eric Bernier ,  Yun Wang

IPC: H03M1/00 ,  H04B10/54 ,  G02B6/293 ,  G02F1/01

CPC classification number: G02F1/011 ,  G02B6/29343 ,  G02F2001/0113 ,  G02F2201/06 ,  G02F2203/15 ,  H04B10/2575 ,  H04B10/524

Abstract: An optical transmitter including an optical waveguide and N microring resonators (MRRs) coupled to the optical waveguide is provided. In such an optical transmitter each of the N MRRs having a different coupling coefficient determining the amount of coupling to the optical waveguide, wherein N>1. In some embodiments, each of the N MRRs has a different spacing distance from the optical waveguide, wherein the coupling coefficient for each MRR is dependent on the spacing. In some embodiments the optical transmitter further includes an input for receiving N drive signals from a controller, each drive signal shifting the resonant wavelength of the corresponding MRR to control the optical power coupled in the corresponding MRR from the optical waveguide in which an optical signal propagates.

公开(公告)号：US09952482B2

公开(公告)日：2018-04-24

申请号：US15260446

申请日：2016-09-09

Applicant: The University of Bristol

Inventor： Terence Rudolph ,  Mark Thompson ,  Jonathan Matthews ,  Damien Bonneau

IPC: G02B6/12 ,  G02F1/35 ,  G01J1/42 ,  G02F1/365 ,  G02F1/355

CPC classification number: G02F1/3526 ,  G01J1/42 ,  G02F1/3536 ,  G02F1/3553 ,  G02F1/3558 ,  G02F1/365 ,  G02F2201/06 ,  G02F2203/15

Abstract: There is presented an optical apparatus comprising first and second photon pair sources configured to convert at least one pump light photon into a first and second correlated signal and idler photon pairs. In one example, the apparatus is configured to use one of the signal and idler photons from the first correlated photon pair for controlling the conversion of the pump light photon in the second photon pair source. The apparatus may configured such that, at least one of the signal and idler photons from the first correlated photon pair is output from the first photon pair source onto an optical path wherein at least one of the signal and idler photons from the second correlated photon pair is output from the second photon pair source onto the optical path. A method is also provided for outputting one or more photons using the optical apparatus.

公开(公告)号：US20180059507A1

公开(公告)日：2018-03-01

申请号：US15686935

申请日：2017-08-25

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Sunil KIM ,  Duhyun LEE ,  Changbum LEE ,  Byounglyong CHOI

IPC: G02F1/313

CPC classification number: G02F1/3137 ,  G02F1/2955 ,  G02F2001/311 ,  G02F2201/06

Abstract: A laser beam steering device and a system including the same are provided. The laser beam steering device includes a waveguide through which a laser beam passes, and a cladding layer disposed on the waveguide. The cladding layer has a refractive index which changes according to an electrical signal applied thereto and thus a phase of a laser beam passing through the waveguide may be changed.