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WO2025210639A1 - Procédé et système de manipulation photonique - Google Patents

Procédé et système de manipulation photonique

Info

Publication number
WO2025210639A1
WO2025210639A1 PCT/IL2025/050299 IL2025050299W WO2025210639A1 WO 2025210639 A1 WO2025210639 A1 WO 2025210639A1 IL 2025050299 W IL2025050299 W IL 2025050299W WO 2025210639 A1 WO2025210639 A1 WO 2025210639A1
Authority
WO
WIPO (PCT)
Prior art keywords
optical
electrical
memory cells
electrodes
digital
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
PCT/IL2025/050299
Other languages
English (en)
Inventor
Ofer Amrani
Shlomo Ruschin
Yossef Ehrlichman
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Ramot at Tel Aviv University Ltd
Original Assignee
Ramot at Tel Aviv University Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Ramot at Tel Aviv University Ltd filed Critical Ramot at Tel Aviv University Ltd
Publication of WO2025210639A1 publication Critical patent/WO2025210639A1/fr
Pending legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06N—COMPUTING ARRANGEMENTS BASED ON SPECIFIC COMPUTATIONAL MODELS
    • G06N3/00—Computing arrangements based on biological models
    • G06N3/02—Neural networks
    • G06N3/06—Physical realisation, i.e. hardware implementation of neural networks, neurons or parts of neurons
    • G06N3/067—Physical realisation, i.e. hardware implementation of neural networks, neurons or parts of neurons using optical means
    • G06N3/0675—Physical realisation, i.e. hardware implementation of neural networks, neurons or parts of neurons using optical means using electro-optical, acousto-optical or opto-electronic means
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
    • G02B6/24—Coupling light guides
    • G02B6/26—Optical coupling means
    • G02B6/28—Optical coupling means having data bus means, i.e. plural waveguides interconnected and providing an inherently bidirectional system by mixing and splitting signals
    • G02B6/293—Optical coupling means having data bus means, i.e. plural waveguides interconnected and providing an inherently bidirectional system by mixing and splitting signals with wavelength selective means
    • G—PHYSICS
    • G02—OPTICS
    • G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
    • G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
    • G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour 
    • G02F1/0121—Operation of devices; Circuit arrangements, not otherwise provided for in this subclass
    • G—PHYSICS
    • G02—OPTICS
    • G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
    • G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
    • G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour 
    • G02F1/21—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour  by interference
    • G02F1/225—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour  by interference in an optical waveguide structure
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06E—OPTICAL COMPUTING DEVICES; COMPUTING DEVICES USING OTHER RADIATIONS WITH SIMILAR PROPERTIES
    • G06E1/00—Devices for processing exclusively digital data
    • G06E1/02—Devices for processing exclusively digital data operating upon the order or content of the data handled
    • G06E1/04—Devices for processing exclusively digital data operating upon the order or content of the data handled for performing computations using exclusively denominational number representation, e.g. using binary, ternary, decimal representation
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06E—OPTICAL COMPUTING DEVICES; COMPUTING DEVICES USING OTHER RADIATIONS WITH SIMILAR PROPERTIES
    • G06E3/00—Devices not provided for in group G06E1/00, e.g. for processing analogue or hybrid data
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06N—COMPUTING ARRANGEMENTS BASED ON SPECIFIC COMPUTATIONAL MODELS
    • G06N3/00—Computing arrangements based on biological models
    • G06N3/02—Neural networks
    • G06N3/06—Physical realisation, i.e. hardware implementation of neural networks, neurons or parts of neurons
    • G06N3/067—Physical realisation, i.e. hardware implementation of neural networks, neurons or parts of neurons using optical means
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B10/00—Transmission systems employing electromagnetic waves other than radio-waves, e.g. infrared, visible or ultraviolet light, or employing corpuscular radiation, e.g. quantum communication
    • H04B10/50—Transmitters
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B10/00—Transmission systems employing electromagnetic waves other than radio-waves, e.g. infrared, visible or ultraviolet light, or employing corpuscular radiation, e.g. quantum communication
    • H04B10/50—Transmitters
    • H04B10/516—Details of coding or modulation
    • H04B10/54—Intensity modulation
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B10/00—Transmission systems employing electromagnetic waves other than radio-waves, e.g. infrared, visible or ultraviolet light, or employing corpuscular radiation, e.g. quantum communication
    • H04B10/50—Transmitters
    • H04B10/516—Details of coding or modulation
    • H04B10/548—Phase or frequency modulation
    • H04B10/556—Digital modulation, e.g. differential phase shift keying [DPSK] or frequency shift keying [FSK]

Definitions

  • the present invention in some embodiments thereof, relates to photonic hardware and, more particularly, but not exclusively, to a method and a system for photonic manipulation.
  • U.S. Published Application No. 20200250533 discloses an optical matrix multiplication unit, which receives from a modulator array a digital input vector of length N that is encoded onto an optical input vector of length N. This optical matrix multiplication unit receives the optical input vector and performs, in the optical domain an NxN matrix multiplication on the received vector.
  • the modulator array is controlled by electrical signals generated by a DAC unit, in a manner that each modulator in the modulator array is controlled by a separate DAC.
  • the signals define switching instructions, and the system serves as an optical switching system.
  • any electrical pathway leading from the electrical bus to the electrodes via the electrical digital controller is digital in its entirety.
  • each of at least a portion of the optical modulators is optically coupled to an input waveguide positioned along a phase shifter configured to apply a phase shift to light propagating in the input waveguide before entering the modulator.
  • each of at least a portion of the memory cells is a 1 -bit cell, actuating a single electrode to encode a single bit of digital data in the light.
  • each of at least a portion of the memory cells is a multibit cell, actuating multiple electrodes to encode a multibit word of digital data in the light.
  • the memory cells are embedded in the electrodes.
  • each of at least a portion of the memory cells is a digital memory cell.
  • each of at least a portion of the memory cells is a flip-flop circuit. According to some embodiments of the invention each of at least a portion of the memory cells is a latch circuit. According to some embodiments of the invention each of at least a portion of the memory cells is a dynamic memory circuit. According to some embodiments of the invention each of at least a portion of the memory cells is memristor. According to some embodiments of the invention, wherein each of at least a portion of the memory cells is a phase change memory.
  • each of at least a portion of the optical modulators is a Mach-Zehnder Interferometer.
  • each of at least a portion of the optical modulators comprises an optical amplifier.
  • each of at least a portion of the optical modulators is an optical ring modulator.
  • the ring modulator is selected from the group consisting of a notch optical ring modulator, an all-pass optical ring modulator, an add-drop optical ring modulator, and an optical double-injection ring modulator.
  • the array is a serial array, wherein each optical modulator feeds a single adjacent modulator and/or being fed by a single adjacent modulator.
  • the array is a two-dimensional array, wherein at least one of the optical modulator feeds two adjacent modulators and/or being fed by two adjacent modulators.
  • the array is a three-dimensional array, wherein at least one of the optical modulator feeds at least three adjacent modulators and/or being fed by at least three adjacent modulators.
  • the array is a two-dimensional array, wherein at least one of the optical modulators is a ring modulator connected via more than two optical couplers to more than two optical modulators.
  • the computer system comprises the light manipulation optical system as delineated above and optionally and preferably as further detailed below.
  • a method of processing a light wave carrying data comprises: receiving digital data defining optical processing instructions, and feeding an electrical bus with digital electrical signals describing the digital data.
  • the method further comprises transmitting the light wave through an array of optically coupled optical modulators, each comprises a plurality of electrodes for modulating a portion of the light wave propagating therethrough.
  • the method further comprises digitally actuating the electrodes by an electrical digital controller based on the signals, thereby processing the light wave according to the optical processing instructions.
  • a method of optical manipulation of data comprises: receiving data and logic instructions for manipulating the data, and feeding an electrical bus with digital electrical signals describing the data and the instructions.
  • the method further comprises transmitting light waves through an array of optically coupled optical modulators, each comprises a plurality of electrodes for modulating a light wave propagating therethrough.
  • the method further comprises digitally actuating the electrodes by an electrical digital controller based on the signals, thereby providing modulated light waves describing data manipulated according to the logic instructions.
  • the electrodes are directly actuatable by electrical memory cells, and the method comprises digitally controlling a memory state of each of the electrical memory cells based on the signals, so as to digitally actuate the electrodes.
  • the light waves are identical.
  • the light waves are unmodulated identical waves.
  • the method comprises detecting the modulated light waves, to provide electrical signals describing the manipulated data.
  • the method ends at 88.
  • the light waves transmitted through the array of optically coupled optical modulators can be unmodulated light waves, in which case they not carry data.
  • the transmitted light waves are identical to each other, so that all modulators are optically fed by identical light waves.
  • the light waves are waves of an optical signal carrying data.
  • two or more of the light waves carry different data.
  • the electrodes of the modulators are digitally actuated, so that each modulator modulates the light wave propagating therethrough.
  • Operation 85 can be executed either directly by electrical digital controller 12, or, in embodiments in which operation 83 is executed, directly by the memory cells according to their memory state.
  • the light waves are modulated to describe the data received at 91 after data manipulation according to the logic instructions received at 92.
  • the method proceeds to 95 at which the modulated light waves are detected to generate a set of output digital electrical signals.
  • Operation 95 can be executed by an electro-optical system, such as, but not limited to, system 66.
  • the output digital electrical signals are processed electronically by an electronic processor, for example, electronic processor 62.
  • compositions, method or structure may include additional ingredients, steps and/or parts, but only if the additional ingredients, steps and/or parts do not materially alter the basic and novel characteristics of the claimed composition, method or structure.
  • a compound or “at least one compound” may include a plurality of compounds, including mixtures thereof.
  • range format is merely for convenience and brevity and should not be construed as an inflexible limitation on the scope of the invention. Accordingly, the description of a range should be considered to have specifically disclosed all the possible subranges as well as individual numerical values within that range. For example, description of a range such as from 1 to 6 should be considered to have specifically disclosed subranges such as from 1 to 3, from 1 to 4, from 1 to 5, from 2 to 4, from 2 to 6, from 3 to 6 etc., as well as individual numbers within that range, for example, 1, 2, 3, 4, 5, and 6. This applies regardless of the breadth of the range.
  • a numerical range is indicated herein, it is meant to include any cited numeral (fractional or integral) within the indicated range.
  • the phrases “ranging/ranges between” a first indicate number and a second indicate number and “ranging/ranges from” a first indicate number “to” a second indicate number are used herein interchangeably and are meant to include the first and second indicated numbers and all the fractional and integral numerals therebetween.
  • FIGs. 8A-C are schematic illustrations showing zoom-in views of specific configurations for one or more of the optical modulators of array 18.
  • FIG. 8A illustrates a configuration in which a particular modulator 18-N comprises two set of electrodes and is fed by one waveguide that is positioned along a multi-electrode phase shifter and another waveguide that is devoid of any phase shifter
  • FIG. 8B illustrates a configuration in which a particular modulator 18-N comprises two set of electrodes and is fed by two waveguides each positioned along a multi-electrode phase shifter
  • FIG. 8C illustrates a configuration in which a particular modulator 18-N comprise a set of electrodes on one arm of the modulator and several (five in the present example) locations at which additional sets of electrodes can be placed, where the locations can be on the second arm of the modulator, and/or on one or more of the waveguides feeding the modulator, and/or on one or more of the waveguides fed by the modulator.
  • the feeding waveguides are optionally and preferably not part of an interferometer and can therefore guide either identical light waves or different light waves.

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Nonlinear Science (AREA)
  • Biophysics (AREA)
  • Biomedical Technology (AREA)
  • Health & Medical Sciences (AREA)
  • Optics & Photonics (AREA)
  • Signal Processing (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Electromagnetism (AREA)
  • Computing Systems (AREA)
  • Neurology (AREA)
  • Data Mining & Analysis (AREA)
  • Evolutionary Computation (AREA)
  • General Health & Medical Sciences (AREA)
  • Molecular Biology (AREA)
  • Computational Linguistics (AREA)
  • General Engineering & Computer Science (AREA)
  • Mathematical Physics (AREA)
  • Software Systems (AREA)
  • Artificial Intelligence (AREA)
  • Optical Modulation, Optical Deflection, Nonlinear Optics, Optical Demodulation, Optical Logic Elements (AREA)

Abstract

Selon l'invention, un système optique de manipulation de lumière comprend un dispositif de commande numérique électrique configuré pour recevoir des signaux électriques numériques en tant qu'entrée provenant d'un bus électrique, un réseau de modulateurs optiques couplés optiquement, et des ports optiques agencés pour alimenter le réseau avec de la lumière et pour délivrer une lumière modulée à partir du réseau. Chacune d'au moins une partie des modulateurs optiques peut comprendre une pluralité d'électrodes pour moduler la lumière se propageant à travers le modulateur, le dispositif de commande étant également configuré pour actionner numériquement les électrodes sur la base des signaux.
PCT/IL2025/050299 2024-04-04 2025-04-04 Procédé et système de manipulation photonique Pending WO2025210639A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US202463574309P 2024-04-04 2024-04-04
US63/574,309 2024-04-04

Publications (1)

Publication Number Publication Date
WO2025210639A1 true WO2025210639A1 (fr) 2025-10-09

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
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Country Status (1)

Country Link
WO (1) WO2025210639A1 (fr)

Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4864524A (en) * 1987-03-27 1989-09-05 Opticomp Corporation Combinatorial logic-based optical computing method and apparatus
US5247593A (en) * 1991-12-18 1993-09-21 Texas Instruments Incorporated Programmable optical crossbar switch
US20020159684A1 (en) * 2001-03-15 2002-10-31 Zenastra Photonics Inc. Novel optical waveguide switch using cascaded mach-zehnder interferometers
US20070196041A1 (en) * 2006-02-23 2007-08-23 Magiq Technologies, Inc. Cascaded modulator system and method for QKD
US20090208162A1 (en) * 2008-02-14 2009-08-20 Hrl Laboratories, Llc Unit-cell array optical signal processor
US20140233962A1 (en) * 2011-09-23 2014-08-21 Nec Corporation Optical modulator module and modulation method for optical signal
US20160245639A1 (en) * 2014-06-06 2016-08-25 Jacob C. Mower Methods, systems, and apparatus for programmable quantum photonic processing
WO2020149953A1 (fr) * 2019-01-14 2020-07-23 Lightelligence, Inc. Systèmes informatiques optoélectroniques
US20200233151A1 (en) * 2016-02-09 2020-07-23 Ramot At Tel-Aviv University Ltd. Modulator using a micro-ring resonator

Patent Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4864524A (en) * 1987-03-27 1989-09-05 Opticomp Corporation Combinatorial logic-based optical computing method and apparatus
US5247593A (en) * 1991-12-18 1993-09-21 Texas Instruments Incorporated Programmable optical crossbar switch
US20020159684A1 (en) * 2001-03-15 2002-10-31 Zenastra Photonics Inc. Novel optical waveguide switch using cascaded mach-zehnder interferometers
US20070196041A1 (en) * 2006-02-23 2007-08-23 Magiq Technologies, Inc. Cascaded modulator system and method for QKD
US20090208162A1 (en) * 2008-02-14 2009-08-20 Hrl Laboratories, Llc Unit-cell array optical signal processor
US20140233962A1 (en) * 2011-09-23 2014-08-21 Nec Corporation Optical modulator module and modulation method for optical signal
US20160245639A1 (en) * 2014-06-06 2016-08-25 Jacob C. Mower Methods, systems, and apparatus for programmable quantum photonic processing
US20200233151A1 (en) * 2016-02-09 2020-07-23 Ramot At Tel-Aviv University Ltd. Modulator using a micro-ring resonator
WO2020149953A1 (fr) * 2019-01-14 2020-07-23 Lightelligence, Inc. Systèmes informatiques optoélectroniques

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