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公开(公告)号:US20210006333A1
公开(公告)日:2021-01-07
申请号:US16896915
申请日:2020-06-09
Applicant: Morton Photonics
Inventor: Paul A. Morton , Jacob Khurgin
IPC: H04B10/2575 , H01Q3/26 , G02B27/00
Abstract: High-performance ultra-wideband Phased Array Antennas (PAA) are disclosed, having unique capabilities, enabled through photonic integrated circuits and novel optical architectures. Unique capabilities for PAA systems are enabled by photonic integration and ultra-low-loss waveguides. Novel aspects include optical multiplexing combining wavelength division multiplexing and/or a novel extension to array photodetectors, providing the capability to combine many RF photonic signals with very low loss. Architectures include tunable optical up-conversion and down-conversion systems, moving a chosen frequency band between baseband and a high RF frequency band with high dynamic range. Simultaneous multi-channel RF beamforming is achieved through power combining/splitting of optical signals.
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公开(公告)号:US20190215070A1
公开(公告)日:2019-07-11
申请号:US16357248
申请日:2019-03-18
Applicant: Morton Photonics
Inventor: Paul A. Morton , Jacob Khurgin
IPC: H04B10/2575 , H01Q3/26
Abstract: High-performance ultra-wideband Phased Array Sensors (PAS) are disclosed, which have unique capabilities, enabled through photonic integrated circuits and novel optical architectures. Unique capabilities for a Receive PAS are provided by wafer scale photonic integration including heterogeneous integration of III-V materials and ultra-low-loss silicon nitride waveguides, combining key component technologies into complex PIC devices. Novel aspects include optical multiplexing combining wavelength division multiplexing and/or a novel extension to array photodetectors providing the capability to combine many RF photonic signals with very low loss. The architecture also includes optical down-conversion, as well as digital signal processing to improve the linearity of the system. Simultaneous multi-channel beamforming is achieved through optical power splitting of optical signals to create multiple exact replicas of the signals that are then processed independently.
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公开(公告)号:US10277324B2
公开(公告)日:2019-04-30
申请号:US16156087
申请日:2018-10-10
Applicant: Morton Photonics
Inventor: Paul A. Morton , Jacob Khurgin
IPC: H01Q3/26 , H04Q5/00 , H04B10/40 , H04B10/50 , H04Q11/00 , H04B10/516 , H04B10/2575 , H04B10/25
Abstract: High-performance ultra-wideband Phased Array Sensors (PAS) are disclosed, which have unique capabilities, enabled through photonic integrated circuits and novel optical architectures. Unique capabilities for a Receive PAS are provided by wafer scale photonic integration including heterogeneous integration of III-V materials and ultra-low-loss silicon nitride waveguides, combining key component technologies into complex PIC devices. Novel aspects include optical multiplexing combining wavelength division multiplexing and/or a novel extension to array photodetectors providing the capability to combine many RF photonic signals with very low loss. The architecture also includes optical down-conversion, as well as digital signal processing to improve the linearity of the system. Simultaneous multi-channel beamforming is achieved through optical power splitting of optical signals to create multiple exact replicas of the signals that are then processed independently.
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公开(公告)号:US11092871B2
公开(公告)日:2021-08-17
申请号:US16915170
申请日:2020-06-29
Applicant: Morton Photonics
Inventor: Paul A. Morton , Jacob Khurgin
Abstract: A novel transmitter is proposed that provides broadband all-optical linearization of a Mach-Zehnder interferometer (MZI) modulator for use in high linearity RF photonic links and optical up-converter and down-converter schemes. It is based on an amplitude modulated (AM) MZI modulator where part of the laser Carrier is passed around the MZI modulator and added back to the AM signal, creating a Controlled Carrier-AM (CC-AM) signal. In this new scheme, a dual output MZI modulator is utilized, and the alternative output (Carrier*) is used together with the Carrier from the laser to create a new signal, LO*, which when coherently combined with the AM signal can reduce or completely cancel its 3rd order intermodulation distortion.
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5.
公开(公告)号:US10855376B1
公开(公告)日:2020-12-01
申请号:US16777131
申请日:2020-01-30
Applicant: Morton Photonics
Inventor: Paul A. Morton , Jacob Khurgin
IPC: G02B27/00 , H01Q3/26 , H04B10/50 , H04Q11/00 , H04B10/40 , H04B10/2575 , H04Q5/00 , H04B10/516
Abstract: The present invention reduces the level of optical reflections created in a photonic integrated circuit (PIC) going back into an integrated laser through Reflection Engineering; optimizing the phase/timing and position of optical reflections inherent to a PIC design while adding engineered reflections to the PIC to allow inherent reflections to be reduced or eliminated. The Wavelength Division Multiplexed (WDM) geometric optical isolator of the present invention combines an array of closely spaced WDM lasers with an array of modulators in a novel geometry in order to provide effective optical isolation of the lasers.
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公开(公告)号:US10715254B2
公开(公告)日:2020-07-14
申请号:US16357248
申请日:2019-03-18
Applicant: Morton Photonics
Inventor: Paul A. Morton , Jacob Khurgin
IPC: H04B10/66 , H04B10/60 , H04B10/69 , H04B10/67 , H04B10/2575 , H01Q3/26 , H04B10/516 , H04Q11/00 , H04Q5/00 , H04B10/40 , H04B10/50
Abstract: High-performance ultra-wideband Phased Array Sensors (PAS) are disclosed, which have unique capabilities, enabled through photonic integrated circuits and novel optical architectures. Unique capabilities for a Receive PAS are provided by wafer scale photonic integration including heterogeneous integration of III-V materials and ultra-low-loss silicon nitride waveguides, combining key component technologies into complex PIC devices. Novel aspects include optical multiplexing combining wavelength division multiplexing and/or a novel extension to array photodetectors providing the capability to combine many RF photonic signals with very low loss. The architecture also includes optical down-conversion, as well as digital signal processing to improve the linearity of the system. Simultaneous multi-channel beamforming is achieved through optical power splitting of optical signals to create multiple exact replicas of the signals that are then processed independently.
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7.
公开(公告)号:US20190253146A1
公开(公告)日:2019-08-15
申请号:US16393842
申请日:2019-04-24
Applicant: Morton Photonics
Inventor: Paul A. Morton , Jacob Khurgin
IPC: H04B10/2575 , H01Q3/26
Abstract: The present invention reduces the level of optical reflections created in a photonic integrated circuit (PIC) going back into an integrated laser through Reflection Engineering; optimizing the phase/timing and position of optical reflections inherent to a PIC design while adding engineered reflections to the PIC to allow inherent reflections to be reduced or eliminated. The Wavelength Division Multiplexed (WDM) geometric optical isolator of the present invention combines an array of closely spaced WDM lasers with an array of modulators in a novel geometry in order to provide effective optical isolation of the lasers.
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8.
公开(公告)号:US20180054040A1
公开(公告)日:2018-02-22
申请号:US15683380
申请日:2017-08-22
Applicant: Morton Photonics Incorporated
Inventor: Paul A. Morton
CPC classification number: H01S5/146 , H01S5/02415 , H01S5/02438 , H01S5/02476 , H01S5/028 , H01S5/0612 , H01S5/0687 , H01S5/1039 , H01S5/1225 , H01S5/125 , H01S5/141 , H01S2301/163
Abstract: A laser including: a gain chip; an external cavity incorporating a Bragg grating; and a baseplate; wherein a first end of the gain chip has a high reflectivity facet forming a first end of the laser cavity; a second end of the gain chip has a low reflectivity facet; and a second part of the external cavity comprises a Bragg grating, supported by the baseplate, the temperature of the baseplate being maintained through a feedback loop; wherein the optical length of the external cavity is at least an order of magnitude greater than the optical length of the gain chip; wherein the Bragg grating is physically long and occupies a majority of the length of the external cavity and is apodized to control the sidemodes of the grating reflection.
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公开(公告)号:US11550173B2
公开(公告)日:2023-01-10
申请号:US16952013
申请日:2020-11-18
Applicant: The Research Foundation for The State University of New York , Government of the United States, as Represented by the Secretary of the Air Force , Morton Photonics Incorporated
Inventor: Douglas Coolbaugh , Douglas La Tulipe , Paul A. Morton , Nicholas G. Usechak
Abstract: There is set forth herein an integrated photonics structure having a waveguide disposed within a dielectric stack of the integrated photonics structure, wherein the integrated photonics structure further includes a field generating electrically conductive structure disposed within the dielectric stack; and a heterogenous structure attached to the integrated photonics structure, the heterogenous structure having field sensitive material that is sensitive to a field generated by the field generating electrically conductive structure. There is set forth herein a method including fabricating an integrated photonics structure, wherein the fabricating an integrated photonics structure includes fabricating a waveguide within a dielectric stack, wherein the fabricating an integrated photonics structure further includes fabricating a field generating electrically conductive structure within the dielectric stack; and attaching a heterogenous structure to the integrated photonics structure, the heterogenous structure having field sensitive material that is sensitive to a field generated by the field generating electrically conductive structure.
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10.
公开(公告)号:US10454248B1
公开(公告)日:2019-10-22
申请号:US16246820
申请日:2019-01-14
Applicant: Morton Photonics Incorporated
Inventor: Paul A. Morton
Abstract: A laser including: a gain chip; an external cavity incorporating a Bragg grating; and a baseplate; wherein a first end of the gain chip has a high reflectivity facet forming a first end of the laser cavity; a second end of the gain chip has a low reflectivity facet; and a second part of the external cavity comprises a Bragg grating, supported by the baseplate, the temperature of the baseplate being maintained through a feedback loop; wherein the optical length of the external cavity is at least an order of magnitude greater than the optical length of the gain chip; wherein the Bragg grating is physically long and occupies a majority of the length of the external cavity and is apodized to control the sidemodes of the grating reflection.
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