OPTICAL SIGNAL PROCESSING DEVICE

• Main Authors: NAKAJIMA MITSUMASA, HASHIMOTO TOSHIKAZU, KONISHO SHIORI
• Format: Patent
• Language: English; Japanese
• Published: 27.02.2020
• Subjects: CALCULATING; COMPUTING; COUNTING; DEVICES OR ARRANGEMENTS, THE OPTICAL OPERATION OF WHICH ISMODIFIED BY CHANGING THE OPTICAL PROPERTIES OF THE MEDIUM OF THEDEVICES OR ARRANGEMENTS FOR THE CONTROL OF THE INTENSITY,COLOUR, PHASE, POLARISATION OR DIRECTION OF LIGHT, e.g.SWITCHING, GATING, MODULATING OR DEMODULATING; FREQUENCY-CHANGING; NON-LINEAR OPTICS; OPTICAL ANALOGUE/DIGITAL CONVERTERS; OPTICAL COMPUTING DEVICES; OPTICAL LOGIC ELEMENTS; OPTICS; PHYSICS; TECHNIQUES OR PROCEDURES FOR THE OPERATION THEREOF

To provide an optical signal processing device capable of calculation without changing the device configuration even when the input/output dimensionality changes.SOLUTION: An optical signal processing device for performing signal processing by converting an inputted M-dimensional input signal (M is an integer of 2 or higher) into an optical signal includes: an input unit for converting the inputted M-dimensional input signal into a one-dimensional input signal, subjecting the one-dimensional input signal to linear processing, and converting the same into the optical signal; a reservoir unit which is connected to the output of the input unit, and subjects the optical signal to linear processing and non-linear processing; and an output unit which is connected to the output of the reservoir unit, converts the optical signal into an electrical signal, and outputs an N-dimensional output by performing linear processing.SELECTED DRAWING: Figure 1 【課題】入出力次元数が変化しても装置構成を変更することなく、演算が可能な光信号処理装置を提供する。【解決手段】入力されたＭ（Ｍは２以上の整数）次元入力信号を光信号に変換して信号処理を行う光信号処理装置であって、前記入力されたＭ次元入力信号を一次元入力信号に変換し、該一次元入力信号に対して線形処理を行って、光信号に変換する入力部と、前記入力部の出力に接続され、前記光信号に対して線形処理と非線形処理とを行うリザーバ部と、前記リザーバ部の出力に接続され、前記光信号を電気信号に変換して、線形処理を行ってＮ次元出力を出力する出力部とを備えた。【選択図】図１