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公开(公告)号：US10431703B2
公开(公告)日：2019-10-01
申请号：US15927277
申请日：2018-03-21
Applicant: Juniper Networks, Inc.
Inventor： Erik Johan Norberg , Anand Ramaswamy , Brian Robert Koch
IPC: H01S5/32 , H01L31/0304 , H01L31/0328 , H01S5/024 , H01L31/0232 , H01L31/109 , H01S5/02 , H01S5/026 , H01S5/10
Abstract: Embodiments of the invention describe apparatuses, optical systems, and methods related to utilizing optical cladding layers. According to one embodiment, a hybrid optical device includes a silicon semiconductor layer and a III-V semiconductor layer having an overlapping region, wherein a majority of a field of an optical mode in the overlapping region is to be contained in the III-V semiconductor layer. A cladding region between the silicon semiconductor layer and the III-V semiconductor layer has a spatial property to substantially confine the optical mode to the III-V semiconductor layer and enable heat dissipation through the silicon semiconductor layer.
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公开(公告)号：US20190212505A1
公开(公告)日：2019-07-11
申请号：US16354780
申请日：2019-03-15
Applicant: Juniper Networks, Inc.
Inventor： Brandon W. Buckley , Brian Robert Koch , John Garcia , Jared Bauters , Sudharsanan Srinivasan , Anand Ramaswamy
Abstract: An example photonic integrated circuit includes a transmitter circuit with a optical communication path to an optical coupler configured to couple with an optical fiber. The optical communication path has a propagation direction away from the transmitter circuit and towards the optical coupler. A counter-propagating tap diverts light sent by a light source backward against the propagation direction of the optical communication path. A photodiode receives the diverted light and measures its power level. The photodiode generates a feedback signal for the optical coupler and provides the feedback signal to the optical coupler. The optical coupler receives the feedback signal and adjusts a coupling alignment of the optical communication path to the optical fiber based on the feedback signal, which indicates the measured power level of the diverted counter-propagating light.
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公开(公告)号：US11909516B2
公开(公告)日：2024-02-20
申请号：US17736506
申请日：2022-05-04
Applicant: Juniper Networks, Inc.
Inventor： Brian Robert Koch , Daniel Sparacin , Alexander W. Fang
CPC classification number: H04J14/0267 , H04B10/503 , H04B10/506 , H04B10/564 , H04J14/00 , H04J14/0212 , H04J14/0257 , H04Q11/0005 , H04Q2011/0022 , H04Q2011/0032 , H04Q2011/0039
Abstract: Embodiments of the invention describe apparatuses, optical systems, and methods for utilizing a dynamically reconfigurable optical transmitter. A laser array outputs a plurality of laser signals (which may further be modulated based on electrical signals), each of the plurality of laser signals having a wavelength, wherein the wavelength of each of the plurality of laser signals is tunable based on other electrical signals. An optical router receives the plurality of (modulated) laser signals at input ports and outputs the plurality of received (modulated) laser signals to one or more output ports based on the tuned wavelength of each of the plurality of received laser signals. This reconfigurable transmitter enables dynamic bandwidth allocation for multiple destinations via the tuning of the laser wavelengths.
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公开(公告)号：US11653477B2
公开(公告)日：2023-05-16
申请号：US17221373
申请日：2021-04-02
Applicant: Juniper Networks, Inc.
Inventor： Roberto Marcoccia , Brian Robert Koch , Theodore J. Schmidt , Christopher Paul Wyland , Robert S. Guzzon , Gregory Alan Fish
CPC classification number: H05K7/20663 , F28D15/0275 , F28D15/06 , H05K7/20336 , H05K7/20836
Abstract: Photonic and electronic integrated circuits can be cooled using variable conductance heat pipes containing a non-condensable gas in addition to a phase-changing working fluid. To package the heat pipe with a subassembly including the integrated circuits in a standard housing providing a heat sink contact area, the heat pipe is oriented, in some embodiments, with its axis between evaporator and condenser ends substantially perpendicular to the direction along which the integrated circuit subassembly is separated from the heat sink contact area, and a portion of the exterior surface of the heat pipe is thermally insulated, with a suitable thermal insulation structure, from the heat sink contact area.
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公开(公告)号：US20200333540A1
公开(公告)日：2020-10-22
申请号：US16918397
申请日：2020-07-01
Applicant: Juniper Networks, Inc.
Inventor： Brandon W. Buckley , Brian Robert Koch , John Garcia , Jared Bauters , Sudharsanan Srinivasan , Anand Ramaswamy
Abstract: An example photonic integrated circuit includes a transmitter circuit with a optical communication path to an optical coupler configured to couple with an optical fiber. The optical communication path has a propagation direction away from the transmitter circuit and towards the optical coupler. A counter-propagating tap diverts light sent by a light source backward against the propagation direction of the optical communication path. A photodiode receives the diverted light and measures its power level. The photodiode generates a feedback signal for the optical coupler and provides the feedback signal to the optical coupler. The optical coupler receives the feedback signal and adjusts a coupling alignment of the optical communication path to the optical fiber based on the feedback signal, which indicates the measured power level of the diverted counter-propagating light.
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Patent Agency Ranking
公开(公告)号：US10809461B2
公开(公告)日：2020-10-20
申请号：US16589399
申请日：2019-10-01
Applicant: Juniper Networks, Inc.
Inventor： Martin A. Spannagel , Brian Robert Koch , Jared Bauters
Abstract: Optical alignment of an optical connector to input/output couplers of a photonic integrated circuit can be achieved by first actively aligning the optical connector successively to two loopback alignment features formed in the photonic chip of the PIC, optically unconnected to the PIC, and then moving the optical connector, based on precise knowledge of the positions of the loopback alignment features relative to the input/output couplers of the PIC, to a position aligned with the input/output couplers of the PIC and locking it in place.
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公开(公告)号：US10775564B2
公开(公告)日：2020-09-15
申请号：US16589399
申请日：2019-10-01
Applicant: Juniper Networks, Inc.
Inventor： Martin A. Spannagel , Brian Robert Koch , Jared Bauters
Abstract: Optical alignment of an optical connector to input/output couplers of a photonic integrated circuit can be achieved by first actively aligning the optical connector successively to two loopback alignment features formed in the photonic chip of the PIC, optically unconnected to the PIC, and then moving the optical connector, based on precise knowledge of the positions of the loopback alignment features relative to the input/output couplers of the PIC, to a position aligned with the input/output couplers of the PIC and locking it in place.
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公开(公告)号：US20190378941A1
公开(公告)日：2019-12-12
申请号：US16548260
申请日：2019-08-22
Applicant: Juniper Networks, Inc.
Inventor： Erik Johan Norberg , Anand Ramaswamy , Brian Robert Koch
IPC: H01L31/0304 , H01S5/32 , H01S5/024 , H01L31/0328 , H01L31/0232
Abstract: Embodiments of the invention describe apparatuses, optical systems, and methods related to utilizing optical cladding layers. According to one embodiment, a hybrid optical device includes a silicon semiconductor layer and a semiconductor layer having an overlapping region, wherein a majority of a field of an optical mode in the overlapping region is to be contained in the III-V semiconductor layer. A cladding region between the silicon semiconductor layer and the III-V semiconductor layer has a spatial property to substantially confine the optical mode to the III-V semiconductor layer and enable heat dissipation through the silicon semiconductor layer.
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公开(公告)号：US20190260492A1
公开(公告)日：2019-08-22
申请号：US16402970
申请日：2019-05-03
Applicant: Juniper Networks, Inc.
Inventor： Brian Robert Koch , Daniel Sparacin , Alexander W. Fang
Abstract: Embodiments of the invention describe apparatuses, optical systems, and methods for utilizing a dynamically reconfigurable optical transmitter. A laser array outputs a plurality of laser signals (which may further be modulated based on electrical signals), each of the plurality of laser signals having a wavelength, wherein the wavelength of each of the plurality of laser signals is tunable based on other electrical signals. An optical router receives the plurality of (modulated) laser signals at input ports and outputs the plurality of received (modulated) laser signals to one or more output ports based on the tuned wavelength of each of the plurality of received laser signals. This reconfigurable transmitter enables dynamic bandwidth allocation for multiple destinations via the tuning of the laser wavelengths.
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公开(公告)号：US10281663B1
公开(公告)日：2019-05-07
申请号：US15864271
申请日：2018-01-08
Applicant: Juniper Networks, Inc.
Inventor： Brandon W. Buckley , Brian Robert Koch , John Garcia , Jared Bauters , Sudharsanan Srinivasan , Anand Ramaswamy
Abstract: An example photonic integrated circuit includes a transmitter circuit with a optical communication path to an optical coupler configured to couple with an optical fiber. The optical communication path has a propagation direction away from the transmitter circuit and towards the optical coupler. A counter-propagating tap diverts light sent by a light source backward against the propagation direction of the optical communication path. A photodiode receives the diverted light and measures its power level. The photodiode generates a feedback signal for the optical coupler and provides the feedback signal to the optical coupler. The optical coupler receives the feedback signal and adjusts a coupling alignment of the optical communication path to the optical fiber based on the feedback signal, which indicates the measured power level of the diverted counter-propagating light.
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