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公开(公告)号：US20240353623A1
公开(公告)日：2024-10-24
申请号：US18462925
申请日：2023-09-07
发明人： Colm Cryan
CPC分类号： G02B6/2938 , H04J14/02
摘要： Disclosed is an apparatus, including an isolator wavelength division multiplexer (IWDM). A signal-fiber is optically coupled to a first side of the WDM-Isolator core. The signal-fiber is configured to propagate signal light. A pump-fiber defines an expanded tip optically coupled to the WDM-Isolator core. The pump-fiber is configured to propagate pump light. A common-fiber is optically coupled to the WDM-Isolator core. The common-fiber is configured to propagate a combination of the signal light and the pump light. The WDM-Isolator core is configured to transmit the signal light to the common-fiber and to reflect the pump light into the common-fiber.
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公开(公告)号：US12124085B2
公开(公告)日：2024-10-22
申请号：US17255206
申请日：2019-06-19
发明人： Brian Robertson , Daping Chu , Haining Yang
CPC分类号： G02B6/293 , G02B6/356 , G02F1/29 , H04B10/50 , H04J14/021 , H04Q11/0005 , H04Q2011/0016 , H04Q2011/0026 , H04Q2011/0032 , H04Q2011/0035
摘要： An input device for a multiple wavelength band optical switch comprising: an optical demultiplexer configured to receive light and disperse the received light along a dispersion axis; and a light director configured to direct light in a first wavelength band to the optical demultiplexer at a first angle of incidence and to direct light in a second wavelength band to the optical demultiplexer at a second angle of incidence, the second angle of incidence being different from the first: wherein the difference between the first and second angles of incidence causes the demultiplexer to output dispersed spectra of light corresponding to the first and second bands such that the dispersed spectrum corresponding to the first band is overlapped along the dispersion axis and separated along a switch axis relative to the dispersed spectrum corresponding to the second wavelength band, the switch axis being perpendicular to the dispersion axis.
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公开(公告)号：US20240345339A1
公开(公告)日：2024-10-17
申请号：US18751127
申请日：2024-06-21
申请人： Stryker Corporation
IPC分类号： G02B6/42 , A61B1/00 , A61B1/04 , A61B1/045 , A61B1/06 , A61B1/07 , A61B1/12 , G02B6/293 , H05B45/22
CPC分类号： G02B6/4215 , A61B1/00006 , A61B1/00009 , A61B1/00045 , A61B1/00126 , A61B1/042 , A61B1/045 , A61B1/0638 , A61B1/0655 , A61B1/0661 , A61B1/0669 , A61B1/0684 , A61B1/07 , A61B1/128 , G02B6/0006 , G02B6/4206 , G02B6/4214 , G02B6/4298 , H05B45/22 , G02B6/29362 , G02B6/4246
摘要： A light source includes a plurality of light emitters, each light emitter configured to emit light having a different wavelength range from other light emitters of the plurality of light emitters. The light source includes a plurality of optics for combining light emitted by the plurality of light emitters into a combined light. The light source includes a focusing optic for receiving and condensing the combined light to create a condensed light, and a collimating optic for receiving the condensed light and orienting the condensed light in a straight path direction.
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公开(公告)号：US20240329315A1
公开(公告)日：2024-10-03
申请号：US18617839
申请日：2024-03-27
申请人： TDK Corporation
发明人： Yasuhiro TAKAGI , Hiroki HARA , Atsushi SHIMURA
CPC分类号： G02B6/29344 , G02B26/105
摘要： The optical coupler is a multimode interference type optical coupler that couples a plurality of laser lights of different wavelengths. The optical coupler includes an optical coupling main body, two input taper portions which are tapered input ports that are disposed on the input side of the optical coupling main body and of which the width of each becomes narrower as it is away from a connection end with the optical coupling main body, and one output taper portion which is a tapered output port that is disposed on the output side of the optical coupling main body and of which the width becomes narrower as it is away from a connection end with the optical coupling main body.
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公开(公告)号：US12107626B2
公开(公告)日：2024-10-01
申请号：US17420639
申请日：2020-01-08
发明人： Osamu Moriwaki , Takashi Saida , Kenya Suzuki , Takashi Go , Manabu Oguma , Yuichiro Ikuma
IPC分类号： H04B10/079 , G01J3/45 , G02B6/293 , H04B10/572 , H04Q11/00
CPC分类号： H04B10/07957 , G01J3/45 , G02B6/2935 , G02B6/2938 , G02B6/29385 , H04B10/572 , H04Q11/0005 , H04Q2011/0011 , H04Q2011/0015 , H04Q2011/0016
摘要： A wavelength monitoring apparatus includes a wavelength monitoring circuit. The wavelength monitoring circuit includes: a split circuit that splits an input optical signal into two; an optical delay circuit that applies a delay time difference to the two split optical signals; and a two-input two-output optical multiplexer/demultiplexer circuit that outputs a result of applying multiplexing interference to the optical signals to which the delay time difference has been applied. The wavelength monitoring apparatus further includes photoelectric conversion elements that perform photoelectric conversions on the two optical signals output from the wavelength monitoring circuit so as to output electrical signals. The wavelength monitoring apparatus is configured to obtain the wavelength of the optical signal, by calculating a ratio between two electrical outputs of the photoelectric conversion elements and referring to a correspondence table indicating wavelengths of optical signals input to the wavelength monitoring circuit and ratios between electrical outputs.
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公开(公告)号：US20240310583A1
公开(公告)日：2024-09-19
申请号：US18598225
申请日：2024-03-07
发明人： Tae Hwan KIM , Seong Woo SUH
CPC分类号： G02B6/29395 , G02B6/2938 , G02B6/356
摘要： An M×N wavelength selective switch (WSS) for an optical communication system includes: a first port array consisting of M ports for emitting/receiving beams, where M is a natural number equal to or greater than 2; a second port array consisting of N ports for emitting/receiving beams, where N is a natural number equal to or greater than 2; a dispersion element configured to split each beam at different angles according to different wavelength components on a dispersion plane; an imaging lens configured to readjust and focus the wavelengths of the beams split by the dispersion element; and a unitary switching element that includes a first switching part and a second switching part, the first and second switching parts being physically combined to form one integral component, the first switching part being configured to steer the beams independently on a switching plane such that angles of the beams are controlled according to wavelengths thereof, the second switching part being configured to steer beams independently on the switching plane such that a desired port in the second port array receives a beam from a corresponding port in the first port array.
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公开(公告)号：US12092864B2
公开(公告)日：2024-09-17
申请号：US18322297
申请日：2023-05-23
CPC分类号： G02B6/12007 , G02B2006/12107 , G02B6/29338
摘要： 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.
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公开(公告)号：US20240302609A1
公开(公告)日：2024-09-12
申请号：US18669500
申请日：2024-05-20
申请人： Ayar Labs, Inc.
CPC分类号： G02B6/4215 , G02B6/29335 , G02B6/29338 , G02B6/2938 , G02B6/29395 , G02B6/4213 , H04B10/60 , G02B6/29343
摘要： A first portion of incoming light and a second portion of incoming light travel in opposite directions within a first optical waveguide. A ring resonator in-couples the first portion of incoming light and the second portion of incoming light from the first optical waveguide, such that the first portion of incoming light and the second portion of incoming light travel in opposite directions within the ring resonator. A second optical waveguide is disposed to in-couple the first portion of incoming light and the second portion of incoming light couple from the ring resonator, such that the first portion of incoming light and the second portion of incoming light travel in opposite directions within the second optical waveguide away from the ring resonator. One or more photodetector(s) are optically connected to receive the first portion of incoming light and the second portion of incoming light from the second optical waveguide.
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公开(公告)号：US20240302587A1
公开(公告)日：2024-09-12
申请号：US18120071
申请日：2023-03-10
发明人： Mir Ashkan Seyedi
CPC分类号： G02B6/12007 , G02B6/29338
摘要： A system can include one or more phase encoders. Each phase encoder of the one or more phase encoders is configured to receive an optical signal from an optical signal generator that generated the optical signal, and generate, using a ring resonator having a resonant frequency, a phase-encoded signal by encoding auxiliary information into a phase of the optical signal.
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公开(公告)号：US20240280755A1
公开(公告)日：2024-08-22
申请号：US18569866
申请日：2021-10-19
发明人： Youngduck KIM , Min Hyun CHO
CPC分类号： G02B6/2934 , G02B6/12 , G02F1/0316 , G02F1/035 , G02B2006/12035
摘要： The present invention provides an optical device and a method for operating the same, the optical device including a substrate, an optical waveguide extending in a first direction on the substrate, and a ring resonator adjacent to the optical waveguide in a second direction intersecting the first direction on the substrate, wherein the ring resonator includes a first graphene layer and a second graphene layer on the substrate, a first insulating layer between the substrate and the first graphene layer, a second insulating layer between the first graphene layer and the second graphene layer, a first electrode and a second electrode connected to the first graphene layer, and a third electrode connected to the second graphene layer, wherein the first graphene layer, the second graphene layer, the first insulating layer, and the second insulating layer have a ring shape or a partially open ring shape.
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