JP2022546533A - マルチモード光ファイバの空間モードの線形結合の複素係数の機械学習ベースの回帰 - Google Patents
マルチモード光ファイバの空間モードの線形結合の複素係数の機械学習ベースの回帰 Download PDFInfo
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Abstract
Description
Claims (20)
- マルチモード光ファイバの出力から放射される光ビームであって、それぞれが高次空間モードの線形結合を含む2つの直交偏光成分を有する光ビームを提供すること、
前記2つの直交偏光成分を2つの別々の光ビームに分離することと、
前記2つの別々の光ビームのデジタル画像を記録することと、
機械学習ベースの分類器を用いて、前記記録されたデジタル画像を分類することと、を含む、高次の空間モードを分類する方法。 - 数値的に計算された訓練例を使用して前記分類器を訓練することをさらに含む、請求項1に記載の方法。
- 前記デジタル画像を記録することは、デジタルカメラによって行われる、請求項1に記載の方法。
- 前記2つの直交偏光成分を2つの別々の光ビームに分離する前に、結像光学系の効果を通して前記放射された光ビームを光学的に結像することを、さらに含む、請求項1に記載の方法。
- 前記結像光学系は、1つ以上のレンズを含む、請求項4に記載の方法。
- 前記高次空間モードがエルミートガウシアンモードである、請求項1に記載の方法。
- 前記高次空間モードがラゲールガウシアンモードである、請求項1に記載の方法。
- 前記光ビームの前記2つの直交偏光成分は、水平/垂直、対角/反対角、右回り/左回りからなる群から選択されるものである、請求項1に記載の方法。
- 前記マルチモード光ファイバおよび前記カメラは、前記レンズの焦点領域に配置されない、請求項5に記載の方法。
- 前記カメラが前記光ビームの前記2つの直交偏光成分の強度の横方向空間依存性のデジタル画像を記録し、その位置合わせ、サイズ、および波面が前記カメラに対して変化する、請求項3に記載の方法。
- 結像した光ビームの中心がx方向に変位する、請求項10に記載の方法。
- 結像した光ビームの中心がy方向に変位する、請求項10に記載の方法。
- 結像した光ビームの伝播方向は、y-z平面において角度を形成する、請求項10に記載の方法。
- 結像した光ビームの伝播方向は、x―z平面において角度を形成する、請求項10に記載の方法。
- 結像した光ビームのウエストサイズが時間的に変化する、請求項10に記載の方法。
- 結像した光ビームのウエストサイズが時間的に変化する、請求項10に記載の方法。
- 結像した光ビームの波面が収差を示す、請求項10に記載の方法。
- 前記分類器は、位置合わせ、サイズ、および波面を変化することを含む数値的に計算された訓練例を使用して訓練される、請求項1に記載の方法。
- 前記数値的に計算された訓練例は、変化するウエストを有する高次の空間モードを含む、請求項18に記載の方法。
- 前記数値的に計算された訓練例は、x方向に変位した高次の空間モード、またはy方向に変位した高次の空間モードのうちの少なくとも1つを含む、請求項18に記載の方法。
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US201962927728P | 2019-10-30 | 2019-10-30 | |
US62/927,728 | 2019-10-30 | ||
US17/081,900 US20210133512A1 (en) | 2019-10-30 | 2020-10-27 | Machine learning based regression of complex coefficients of a linear combination of spatial modes from multimode optical fiber |
US17/081,900 | 2020-10-27 | ||
PCT/US2020/057806 WO2021087012A1 (en) | 2019-10-30 | 2020-10-28 | Machine learning based regression of complex coefficients of a linear combination of spatial modes from multimode optical fiber |
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JP2022546533A true JP2022546533A (ja) | 2022-11-04 |
JP7316450B2 JP7316450B2 (ja) | 2023-07-27 |
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WO (1) | WO2021087012A1 (ja) |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
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DE102009025232A1 (de) * | 2009-06-13 | 2010-12-16 | Technische Universität Dortmund | Verfahren und Vorrichtung zur Übertragung optischer Informationen zwischen Senderstation und Empfängerstation über einen Mehrmoden-Lichtwellenleiter |
JP2018063149A (ja) * | 2016-10-12 | 2018-04-19 | 住友電気工業株式会社 | 光ファイバ特性評価方法および光ファイバ特性評価装置 |
WO2019186548A1 (en) * | 2018-03-27 | 2019-10-03 | Bar Ilan University | Optical neural network unit and optical neural network configuration |
US20200119830A1 (en) * | 2018-10-16 | 2020-04-16 | Nec Laboratories America, Inc | Machine learning based classification of higher-order spatial modes |
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US320769A (en) | 1885-06-23 | muephy | ||
US7336877B2 (en) * | 2004-08-31 | 2008-02-26 | Corning Incorporated | Broadband optical fiber |
US8111386B2 (en) * | 2008-01-22 | 2012-02-07 | Ofs Fitel, Llc | Measuring modal content of multi-moded fibers |
FR2940839B1 (fr) * | 2009-01-08 | 2012-09-14 | Draka Comteq France | Fibre optique multimodale a gradient d'indice, procedes de caracterisation et de fabrication d'une telle fibre |
EP2558903A1 (en) * | 2010-04-13 | 2013-02-20 | University Court Of The University Of St Andrews | Optical eigenmode imaging |
US9304058B2 (en) * | 2012-10-09 | 2016-04-05 | Ofs Fitel, Llc | Measuring modal content of multi-moded fibers |
WO2014064636A2 (en) | 2012-10-24 | 2014-05-01 | Csir | Modal decomposition of a laser beam |
FR3016973B1 (fr) | 2014-01-30 | 2017-08-11 | Cailabs | Dispositif de traitement d'un rayonnement lumineux/optique, procede et systeme de conception d'un tel dispositif |
US10187171B2 (en) | 2017-03-07 | 2019-01-22 | The United States Of America, As Represented By The Secretary Of The Navy | Method for free space optical communication utilizing patterned light and convolutional neural networks |
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- 2020-10-28 WO PCT/US2020/057806 patent/WO2021087012A1/en active Application Filing
- 2020-10-28 DE DE112020005355.5T patent/DE112020005355T5/de active Pending
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DE102009025232A1 (de) * | 2009-06-13 | 2010-12-16 | Technische Universität Dortmund | Verfahren und Vorrichtung zur Übertragung optischer Informationen zwischen Senderstation und Empfängerstation über einen Mehrmoden-Lichtwellenleiter |
JP2018063149A (ja) * | 2016-10-12 | 2018-04-19 | 住友電気工業株式会社 | 光ファイバ特性評価方法および光ファイバ特性評価装置 |
WO2019186548A1 (en) * | 2018-03-27 | 2019-10-03 | Bar Ilan University | Optical neural network unit and optical neural network configuration |
US20200119830A1 (en) * | 2018-10-16 | 2020-04-16 | Nec Laboratories America, Inc | Machine learning based classification of higher-order spatial modes |
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US20210133512A1 (en) | 2021-05-06 |
WO2021087012A1 (en) | 2021-05-06 |
JP7316450B2 (ja) | 2023-07-27 |
DE112020005355T5 (de) | 2022-08-18 |
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