Prior art

US10042116B2 - Techniques for direct optical coupling of photodetectors to optical demultiplexer outputs and an optical transceiver using the same - Google Patents
US10042116B2 - Techniques for direct optical coupling of photodetectors to optical demultiplexer outputs and an optical transceiver using the same - Google Patents.
https://patents.google.com/patent/US10042116B2/en

USPTO Patent Full-Text and Image Database (PatFT)
(April 26, 2026) PatFT, AppFT (The USPTO's patent full-text and image databases for patents and patent applications, respectively) and Public Search are available to search for patents.
https://www.uspto.gov/patents/search

US5617234A - Multiwavelength simultaneous monitoring circuit employing arrayed-waveguide grating - Google Patents
Publication number: US5617234A. Patent type: Grant. Publication date: Apr 1, 1997. Filing date: Sep 26, 1994. Priority date: Sep 26, 1994. Also published as: JP3243178B2, JP8062335A, US5617234A. Inventors: Kenji Sato, Kimio Oguchi. Original Assignee: Nippon Telegraph & Telephone Corporation.
...
A multiwavelength simultaneous monitoring circuit includes an arrayed-waveguide grating for demultiplexing, and a plurality of photodiodes connected to outputs of the arrayed-waveguide grating. One or more of the photodiodes are selected to monitor a level of a specific signal.
https://patents.google.com/patent/US5617234A/en

US20030174964A1 - Lens coupling fiber attachment for polymer optical waveguide on polymer substrate - Google Patents
Publication number: US20030174964A1. Patent type: Application. Publication date: Sep 18, 2003. Filing date: Jan 8, 2002. Priority date: Jan 8, 2002. Also published as: WO2003058356A2, US20030174964A1, WO2003058356A3. Inventors: Robert A. Boudreau. Original Assignee: Photon-X, Inc.
...
A lens coupled fiber attachment for a polymer optical waveguide on a polymer substrate is provided. The fiber attachment includes a polymer fiber ferrule having a lens formed on one end thereof. A polymer optical waveguide is formed on a polymer substrate, and a mating surface of the polymer substrate is shaped for alignment with the ferrule such that the lens is aligned with the optical waveguide. In a preferred embodiment, the polymer fiber ferrule, the polymer optical waveguide, and the polymer substrate are fabricated from the same or similar polymers allowing for ease of manufacturing and low cost of production.
https://patents.google.com/patent/US20030174964A1/en

US20040161186A1 - Planar lightwave circuit package - Google Patents
Publication number: US20040161186A1. Patent type: Application. Publication date: Aug 19, 2004. Filing date: Feb 18, 2003. Priority date: Feb 18, 2003. Also published as: JP2004245645A, US20040161186A1. Inventors: James E. Johnson, Michael L. Jones, Edward P. C. Wingrove. Original Assignee: Jds Uniphase Corporation, State Of Incorporation: Delaware.
...
A planar lightwave circuit (PLC) package (100) comprises a substrate (102) having an optical waveguide circuit (104) formed thereon, an optical fiber array (106) positioned proximate the optical waveguide circuit (104) and fixed to the substrate (102), and a cap (108) hermetically sealed to the substrate (102) such that the optical waveguide circuit (104) and a portion of the optical fiber array (106) are enclosed within an hermetically sealed cavity (110).
https://patents.google.com/patent/US20040161186A1/en

US7058263B2 - Optical transport network - Google Patents
Publication number: US7058263B2. Patent type: Grant. Publication date: Jun 6, 2006. Filing date: Oct 9, 2001. Priority date: Oct 9, 2001. Also published as: US7058263B2, US20030063870A1. Inventors: David R. Smith, Matthew S. Lang, Michael L. Jones. Original Assignee: Infinera Corporation.
...
An optical transport network is described. Optical signals are transmitted and received using a common pair of optical fibers using a wavelength division multiplexing (WDM) device. Multiple receivers and transmitters share the WDM device for demultiplexing and multiplexing, respectively. Each receiver or transmitter includes a transceiver, each of which include at least one optical device.
https://patents.google.com/patent/US7058263B2/en

US7162124B1 - Fiber to chip coupler - Google Patents
Publication number: US7162124B1. Patent type: Grant. Publication date: Jan 9, 2007. Filing date: Mar 14, 2003. Priority date: Mar 14, 2003. Also published as: US7162124B1, US20040184714A1. Inventors: Ashok V. Krishnamoorthy, Anthony L. Lentine, Clifton F. Young, David H. Albanes. Original Assignee: Luxtera, Inc.
...
A method for coupling an optical fiber to an optical chip includes forming a recess in the optical chip, the recess having a first width, forming a waveguide in the optical chip, the waveguide having a second width, and coupling an optical fiber to the optical chip such that light propagating through the optical fiber is coupled to the waveguide.
https://patents.google.com/patent/US7162124B1/en

US7376308B2 - Optical off-chip interconnects in multichannel planar waveguide devices - Google Patents
Publication number: US7376308B2. Patent type: Grant. Publication date: May 20, 2008. Filing date: Dec 24, 2003. Priority date: Dec 24, 2003. Also published as: CA2511470A1, EP1581846A1, US7376308B2, WO2004066023A1. Inventors: Siegfried Janz, Dan-Xia Xu, Jean-Marc Brosseau. Original Assignee: National Research Council Of Canada.
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An optical off-chip interconnect for redirecting light from a planar waveguide device includes a planar waveguide having an output facet and a reflector for redirecting light from the output facet of the planar waveguide to an off-chip photodetector. A prism is coupled to the output facet of the planar waveguide and a reflective coating on a surface of the prism reflects light away from the output facet.
https://patents.google.com/patent/US7376308B2/en

US7532783B2 - Method and system for integrated DWDM receivers - Google Patents
Publication number: US7532783B2. Patent type: Grant. Publication date: May 12, 2009. Filing date: Oct 11, 2006. Priority date: Oct 11, 2006. Also published as: CN101416790A, US7532783B2. Inventors: Weiping Chang, Wei Li, Xiang Liu, Yong Zhang. Original Assignee: Futurewei Technologies, Inc.
...
A Dense Wavelength Division Multiplexing (DWDM) receiver is provided that includes an arrayed waveguide grating (AWG) device. The AWG device includes a planar waveguide that demultiplexes a WDM input signal into a plurality of channel outputs, each of which corresponds to an individual wavelength of the WDM input signal. An array of photodiodes is integrated onto the AWG device, such that the photodiodes are optically coupled to the channel outputs of the AWG device to receive and detect the demultiplexed wavelengths.
https://patents.google.com/patent/US7532783B2/en

US7941053B2 - Optical transceiver for 40 gigabit/second transmission - Google Patents
Publication number: US7941053B2. Patent type: Grant. Publication date: May 10, 2011. Filing date: Oct 19, 2006. Priority date: Oct 19, 2006. Also published as: US7941053B2, US20080107412A1. Inventors: Paul A. Meissner, Charles M. Lee, Brian R. Meissner, Fred M. M. Li, George T. G. Chen, John D. C. Lin. Original Assignee: Emcore Corporation.
...
An optical transceiver suitable for transmission and reception of 40 Gbit/s optical signals is provided. The transceiver comprises an arrayed waveguide grating (AWG) based optical demultiplexer chip and a photodetector array integrated with the AWG demultiplexer chip.
https://patents.google.com/patent/US7941053B2/en

US8831433B2 - Temperature controlled multi-channel transmitter optical subassembly and optical transceiver module including same - Google Patents
Publication number: US8831433B2. Patent type: Grant. Publication date: Sep 9, 2014. Filing date: Dec 7, 2012. Priority date: Dec 7, 2012. Also published as: US8831433B2, US20140161474A1. Inventors: I-Lung Ho, Zhengyu Miao, Fred M. M. Li. Original Assignee: Applied Optoelectronics, Inc.
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A temperature controlled multi-channel transmitter optical subassembly (TOSA) and an optical transceiver module including the TOSA are disclosed. The TOSA includes an optical multiplexer, a plurality of laser diode devices, and a thermistor. The optical multiplexer is configured to combine a plurality of optical signals. Each of the plurality of laser diode devices is configured to generate an optical signal. The thermistor is configured to sense a temperature of the optical multiplexer. The TOSA further includes a thermoelectric cooler (TEC) to control the temperature of the optical multiplexer. The TEC can be coupled to the thermistor to maintain the temperature of the optical multiplexer at a desired temperature.
https://patents.google.com/patent/US8831433B2/en

US20150249501A1 - Optical module - Google Patents
Publication number: US20150249501A1. Patent type: Application. Publication date: Sep 3, 2015. Filing date: Mar 3, 2014. Priority date: Mar 3, 2014. Also published as: CN105191839A, EP2963503A1, JP2016503923A, KR1020150116812A, US20150249501A1, WO2014134440A1. Inventors: Radhakrishnan Nagarajan, Michael P. Arps, Thomas A. B. Kennedy, Frank G. R. M. F. Van Der Wielen, Omid E. Akhavan, John E. Johnson. Original Assignee: Inphi Corporation.
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An optical module is disclosed. The optical module includes an optical device, a heat spreader, and a submount. The optical device is configured to perform an optical function. The heat spreader is configured to dissipate heat from the optical device. The submount is configured to support the optical device and to provide electrical connections. The submount includes a cavity for accommodating the heat spreader. The optical device is positioned over the cavity.
https://patents.google.com/patent/US20150249501A1/en

US9341786B1 - Optomechanical assembly for a photonic chip - Google Patents
Publication number: US9341786B1. Patent type: Grant. Publication date: May 17, 2016. Filing date: Jul 28, 2015. Priority date: Jul 28, 2015. Also published as: US9341786B1. Inventors: Jonathan M. Rothenberg, Mark F. R. D. D'Evelin. Original Assignee: Lumentum Operations Llc.
...
An optomechanical assembly for a photonic chip is provided. The optomechanical assembly includes a base member configured to receive an optical fiber and a photonic chip, and a prism configured to optically couple the optical fiber and the photonic chip. The base member has a groove configured to receive and align the optical fiber, and a recess configured to receive and align the photonic chip.
https://patents.google.com/patent/US9341786B1/en

US20160149662A1 - Planar lightwave circuit active connector - Google Patents
Publication number: US20160149662A1. Patent type: Application. Publication date: May 26, 2016. Filing date: Nov 20, 2014. Priority date: Nov 20, 2014. Also published as: US20160149662A1. Inventors: Lucas Soldano. Original Assignee: Lucas Soldano.
...
A planar lightwave circuit (PLC) active connector is provided. The PLC active connector comprises a PLC chip having a first edge having an optical input port configured to receive an optical signal, and a second edge having an optical output port configured to output the optical signal. The PLC active connector further comprises an active device coupled to the second edge of the PLC chip, and a reflective surface coupled to the active device. The reflective surface is configured to reflect the optical signal from the optical output port of the PLC chip to the active device.
https://patents.google.com/patent/US20160149662A1/en

US20160349451A1 - Optical connection module - Google Patents
Publication number: US20160349451A1. Patent type: Application. Publication date: Dec 1, 2016. Filing date: May 25, 2015. Priority date: May 25, 2015. Also published as: TW201642848A, US20160349451A1. Inventors: Chih-Hsien Tang, Hui-Min Wang, Yu-Min Chen, Po-Sheng Chiu. Original Assignee: Centera Photonics Inc.
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An optical connection module includes a planar lightwave circuit (PLC) chip, a lens chip, and an optical element. The PLC chip has a first surface and a second surface opposite to the first surface. The PLC chip includes at least one waveguide formed therein. The lens chip is formed on the first surface of the PLC chip. The lens chip includes at least one lens element aligned with the waveguide. The optical element is coupled to the lens chip. The optical element receives a light signal from the lens chip.
https://patents.google.com/patent/US20160349451A1/en

US20170168252A1 - Optical transceiver with combined transmitter and receiver assembly - Google Patents
Publication number: US20170168252A1. Patent type: Application. Publication date: Jun 15, 2017. Filing date: Dec 10, 2015. Priority date: Dec 10, 2015. Also published as: CN107005110A, US20170168252A1. Inventors: Jonathan Michael Roth, Jian Li. Original Assignee: Kaiam Corp.
...
An optical transceiver is described that combines a transmitter and receiver assembly into a single subassembly. This design integrates the optical components more closely, which can reduce overall size and improve performance.
https://patents.google.com/patent/US20170168252A1/en
United States Patent 10,042,116 - Google Patents
Techniques for direct optical coupling of photodetectors to optical demultiplexer outputs and an optical transceiver using the same.
https://patents.google.com/patent/US10042116B2

US5617234A Multiwavelength simultaneous monitoring circuit employing arrayed-waveguide grating - Google Patents
The patent is about a multiwavelength simultaneous monitoring circuit that includes an arrayed-waveguide grating for demultiplexing, and a plurality of photodiodes connected to outputs of the arrayed-waveguide grating.
https://patents.google.com/patent/US5617234A/en

US20030174964A1 Lens coupling fiber attachment for polymer optical waveguide on polymer substrate - Google Patents
The patent describes a lens coupled fiber attachment for a polymer optical waveguide on a polymer substrate. The fiber attachment includes a polymer fiber ferrule having a lens formed on one end, and a polymer optical waveguide formed on a polymer substrate.
https://patents.google.com/patent/US20030174964A1/en

US20040161186A1 Planar lightwave circuit package - Google Patents
This patent is about a planar lightwave circuit (PLC) package that includes a substrate with an optical waveguide circuit, an optical fiber array near the waveguide circuit, and a cap hermetically sealed to the substrate. This encloses the waveguide circuit and part of the fiber array in a sealed cavity.
https://patents.google.com/patent/US20040161186A1/en

US7058263B2 Optical transport network - Google Patents
The patent describes an optical transport network where optical signals are transmitted and received using a common pair of optical fibers with a wavelength division multiplexing (WDM) device. Multiple receivers and transmitters share the WDM device for demultiplexing and multiplexing. Each receiver or transmitter includes a transceiver with at least one optical device.
https://patents.google.com/patent/US7058263B2/en

US7162124B1 Fiber to chip coupler - Google Patents
The patent describes a method for coupling an optical fiber to an optical chip. This method includes forming a recess and a waveguide in the optical chip, and then coupling an optical fiber to the chip so that light from the fiber is coupled to the waveguide.
https://patents.google.com/patent/US7162124B1/en

US7376308B2 Optical off-chip interconnects in multichannel planar waveguide devices - Google Patents
This patent describes an optical off-chip interconnect for redirecting light from a planar waveguide device. It includes a planar waveguide with an output facet and a reflector to redirect light from the output facet to an off-chip photodetector. A prism is coupled to the output facet, and a reflective coating on a prism surface reflects light away from the output facet.
https://patents.google.com/patent/US7376308B2/en

US7532783B2 Method and system for integrated DWDM receivers - Google Patents
This patent describes a Dense Wavelength Division Multiplexing (DWDM) receiver with an arrayed waveguide grating (AWG) device. The AWG device has a planar waveguide that demultiplexes a WDM input signal into multiple channel outputs, each corresponding to an individual wavelength. An array of photodiodes is integrated onto the AWG device and optically coupled to the channel outputs to receive and detect the demultiplexed wavelengths.
https://patents.google.com/patent/US7532783B2/en

US7941053B2 Optical transceiver for 40 gigabit/second transmission - Google Patents
This patent describes an optical transceiver for 40 Gbit/s optical signals, which includes an arrayed waveguide grating (AWG) based optical demultiplexer chip and a photodetector array integrated with the AWG demultiplexer chip.
https://patents.google.com/patent/US7941053B2/en

US8831433B2 Temperature controlled multi-channel transmitter optical subassembly and optical transceiver module including same - Google Patents
The patent is for a temperature-controlled multi-channel transmitter optical subassembly (TOSA) and an optical transceiver module. The TOSA includes an optical multiplexer, multiple laser diode devices, and a thermistor to sense the multiplexer's temperature. A thermoelectric cooler (TEC) controls the multiplexer's temperature, coupled to the thermistor to maintain a desired temperature.
https://patents.google.com/patent/US8831433B2/en

US20150249501A1 Optical module - Google Patents
This patent describes an optical module that includes an optical device, a heat spreader, and a submount. The optical device performs an optical function, the heat spreader dissipates heat, and the submount supports the device and provides electrical connections. The submount has a cavity for the heat spreader, and the optical device is positioned over this cavity.
https://patents.google.com/patent/US20150249501A1/en

US9341786B1 Optomechanical assembly for a photonic chip - Google Patents
This patent describes an optomechanical assembly for a photonic chip. It includes a base member to receive an optical fiber and a photonic chip, and a prism to optically couple them. The base member has a groove for the optical fiber and a recess for the photonic chip.
https://patents.google.com/patent/US9341786B1/en

US20160149662A1 Planar lightwave circuit active connector - Google Patents
This patent describes a planar lightwave circuit (PLC) active connector. It has a PLC chip with an optical input port on a first edge and an optical output port on a second edge. An active device is coupled to the second edge, and a reflective surface is coupled to the active device to reflect the optical signal from the output port to the active device.
https://patents.google.com/patent/US20160149662A1/en

US20160349451A1 Optical connection module - Google Patents
This patent describes an optical connection module that includes a planar lightwave circuit (PLC) chip, a lens chip, and an optical element. The PLC chip has a waveguide, and the lens chip is formed on the PLC chip's first surface with a lens element aligned with the waveguide. The optical element is coupled to the lens chip and receives a light signal from it.
https://patents.google.com/patent/US20160349451A1/en

US20170168252A1 Optical transceiver with combined transmitter and receiver assembly - Google Patents
This patent describes an optical transceiver that combines a transmitter and receiver assembly into a single subassembly, aiming to integrate optical components more closely to reduce size and improve performance.
https://patents.google.com/patent/US20170168252A1/en

US10042116B2 - Techniques for direct optical coupling of photodetectors to optical demultiplexer outputs and an optical transceiver using the same - Google Patents
Prior art keywords: awg, awg chip, optical, chip, channel.
https://patents.google.com/patent/US10042116B2/en