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公开(公告)号：US20210406668A1
公开(公告)日：2021-12-30
申请号：US17360155
申请日：2021-06-28
摘要： A hybrid neuromorphic computing device is provided, in which artificial neurons include light-emitting devices that provide weighted sums of inputs as light output. The output is detected by a photodetector and converted to an electrical output. Each neuron may receive output from one or more other neurons as initial input. Interconnects between neurons may be optical, electrical, or a combination thereof. The neurons also may provide imaging sensor and/or display capabilities.
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2.发明公开公开(公告)号：US20230157061A1
公开(公告)日：2023-05-18
申请号：US18050539
申请日：2022-10-28
IPC分类号： H10K50/856 , H10K59/60 , H10K71/00
CPC分类号： H01L51/5271 , H01L27/3227 , H01L51/56
摘要： A reconfigurable thin-film photonic filter weight bank comprises at least one photodetector and at least one optical filtering device comprising a pair of reflective thin film stacks with an interstitial medium cavity therebetween forming an optical cavity. Operation of a bank occurs when the reflective film is more selectively reflective to a range of frequencies and is more translucent to frequencies outside the range. The bank can reconfigurably weight signals by varying the cavity sizes or complex indices of refraction, with one photodetector integrating the weighted signals. Detectors can also be embedded inside the individual cavities to output unweighted, but demultiplexed, electrical signals. A neuromorphic opto-electronic system comprises a plurality of interconnected artificial optical neurons, each including at least one thin film neuromorphic opto-electronic device with a reconfigurable thin-film photonic filter weight bank. Related methods are also disclosed.
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公开(公告)号：US20210192330A1
公开(公告)日：2021-06-24
申请号：US17125287
申请日：2020-12-17
发明人： Simon Bilodeau , Paul Prucnal , Michael Hack , Thomas Ferreira de Lima , Hsuan-Tung Peng , Eric Blow
摘要： A processing device comprises a plurality of artificial neurons comprising first and second artificial neurons, at least one optical connection between an optical output of the first artificial neuron and an optical input of the second artificial neuron, the optical input comprising a photosensitive element, at least one weighting element connected to the optical input of the second artificial neuron, configured to modify a gain of the optical input of the second artificial neuron, and at least one nonlinear element having an input and connected to the optical output of the first artificial neuron, configured to activate the optical output when a signal received at the input of the at least one nonlinear element rises above a threshold, wherein the optical output of the first artificial neuron comprises at least one thin film light-generating component. An LED neuron is also described.
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公开(公告)号：US10670860B2
公开(公告)日：2020-06-02
申请号：US16374991
申请日：2019-04-04
发明人： Alexander N. Tait , Allie X. Wu , Thomas Ferreira de Lima , Mitchell A. Nahmias , Bhavin J. Shastri , Paul R. Prucnal
摘要： A system for photonic computing, preferably including: an input module, computation module, and/or control module, wherein the computation module preferably includes one or more filter banks and/or detectors. A photonic filter bank system, preferably including two waveguides and a plurality of optical filters arranged between the waveguides. A method for photonic computing, preferably including: controlling a computation module; controlling an input module; and/or receiving outputs from the computation module.
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公开(公告)号：US20190331912A1
公开(公告)日：2019-10-31
申请号：US16374991
申请日：2019-04-04
发明人： Alexander N. Tait , Allie X. Wu , Thomas Ferreira de Lima , Mitchell A. Nahmias , Bhavin J. Shastri , Paul R. Prucnal
摘要： A system for photonic computing, preferably including: an input module, computation module, and/or control module, wherein the computation module preferably includes one or more filter banks and/or detectors. A photonic filter bank system, preferably including two waveguides and a plurality of optical filters arranged between the waveguides. A method for photonic computing, preferably including: controlling a computation module; controlling an input module; and/or receiving outputs from the computation module.
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公开(公告)号：US11269179B2
公开(公告)日：2022-03-08
申请号：US16855222
申请日：2020-04-22
发明人： Alexander N. Tait , Allie X. Wu , Thomas Ferreira de Lima , Mitchell A. Nahmias , Bhavin J. Shastri , Paul R. Prucnal
摘要： A system for photonic computing, preferably including: an input module, computation module, and/or control module, wherein the computation module preferably includes one or more filter banks and/or detectors. A photonic filter bank system, preferably including two waveguides and a plurality of optical filters arranged between the waveguides. A method for photonic computing, preferably including: controlling a computation module; controlling an input module; and/or receiving outputs from the computation module.
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公开(公告)号：US20200249472A1
公开(公告)日：2020-08-06
申请号：US16855222
申请日：2020-04-22
发明人： Alexander N. Tait , Allie X. Wu , Thomas Ferreira de Lima , Mitchell A. Nahmias , Bhavin J. Shastri , Paul R. Prucnal
摘要： A system for photonic computing, preferably including: an input module, computation module, and/or control module, wherein the computation module preferably includes one or more filter banks and/or detectors. A photonic filter bank system, preferably including two waveguides and a plurality of optical filters arranged between the waveguides. A method for photonic computing, preferably including: controlling a computation module; controlling an input module; and/or receiving outputs from the computation module.
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