JPWO2020189348A1 - - Google Patents

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Publication number
JPWO2020189348A1
JPWO2020189348A1 JP2021507210A JP2021507210A JPWO2020189348A1 JP WO2020189348 A1 JPWO2020189348 A1 JP WO2020189348A1 JP 2021507210 A JP2021507210 A JP 2021507210A JP 2021507210 A JP2021507210 A JP 2021507210A JP WO2020189348 A1 JPWO2020189348 A1 JP WO2020189348A1
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JP
Japan
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Application number
JP2021507210A
Other versions
JP7164013B2 (ja
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.)
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Publication of JPWO2020189348A1 publication Critical patent/JPWO2020189348A1/ja
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Publication of JP7164013B2 publication Critical patent/JP7164013B2/ja
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Classifications

    • 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]
    • 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
    • H04B10/70—Photonic quantum communication
    • 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 
    • 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
    • H04B10/501—Structural aspects
    • H04B10/503—Laser transmitters
    • H04B10/505—Laser transmitters using external modulation
    • H04B10/5053—Laser transmitters using external modulation using a parallel, i.e. shunt, combination of modulators
    • 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]
    • H04B10/5561—Digital phase modulation

Landscapes

  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Optics & Photonics (AREA)
  • Nonlinear Science (AREA)
  • General Physics & Mathematics (AREA)
  • Optical Communication System (AREA)
  • Optical Modulation, Optical Deflection, Nonlinear Optics, Optical Demodulation, Optical Logic Elements (AREA)
JP2021507210A 2019-03-18 2020-03-06 ネスト型光変調器を用いた光変調方法および装置 Active JP7164013B2 (ja)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP2019049863 2019-03-18
JP2019049863 2019-03-18
PCT/JP2020/009781 WO2020189348A1 (ja) 2019-03-18 2020-03-06 ネスト型光変調器を用いた光変調方法および装置

Publications (2)

Publication Number Publication Date
JPWO2020189348A1 true JPWO2020189348A1 (ja) 2020-09-24
JP7164013B2 JP7164013B2 (ja) 2022-11-01

Family

ID=72520292

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2021507210A Active JP7164013B2 (ja) 2019-03-18 2020-03-06 ネスト型光変調器を用いた光変調方法および装置

Country Status (3)

Country Link
US (1) US11546065B2 (ja)
JP (1) JP7164013B2 (ja)
WO (1) WO2020189348A1 (ja)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113079007B (zh) * 2021-04-14 2022-03-01 中国科学技术大学 一种稳定诱骗态脉冲的强度调制方法及强度调制器
KR102555228B1 (ko) * 2021-06-17 2023-07-14 한국과학기술연구원 광 세기 변조기의 바이어스 전압 제어 장치 및 방법
JP2024058965A (ja) 2022-10-17 2024-04-30 日本電気株式会社 光通信システムにおける送信機、ネスト型変調器の制御方法およびプログラム

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2009060555A (ja) * 2007-09-04 2009-03-19 Nec Corp 光送信器および複合変調器の制御方法
WO2018124357A1 (ko) * 2016-12-29 2018-07-05 한국과학기술원 편광 다중 광전송을 위한 시편광 코딩을 이용한 광 전송 방법 및 시스템
WO2018202698A1 (en) * 2017-05-03 2018-11-08 Université De Genève Apparatus and method for decoy-state three-state quantum key distribution
CN108964778A (zh) * 2017-05-22 2018-12-07 中国科学技术大学 一种用于时间比特-相位编码的解码装置

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5101450A (en) * 1991-01-23 1992-03-31 Gte Laboratories Incorporated Quadrature optical phase modulators for lightwave systems
US6118566A (en) * 1998-11-04 2000-09-12 Corvis Corporation Optical upconverter apparatuses, methods, and systems
US20070212075A1 (en) * 2006-03-09 2007-09-13 Yy Labs, Inc. Dual-parallel-mz modulator bias control
JP5286852B2 (ja) 2008-03-14 2013-09-11 日本電気株式会社 量子鍵配付の符号化装置と方法
WO2011004615A1 (ja) 2009-07-10 2011-01-13 日本電信電話株式会社 光変調器
CN103532633B (zh) * 2012-07-04 2016-03-30 富士通株式会社 一种用于光发射机的自动偏置控制方法和装置
US9059805B2 (en) * 2013-04-11 2015-06-16 Ciena Corporation Optimum modulator bias systems and methods in coherent optical transmitters

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2009060555A (ja) * 2007-09-04 2009-03-19 Nec Corp 光送信器および複合変調器の制御方法
WO2018124357A1 (ko) * 2016-12-29 2018-07-05 한국과학기술원 편광 다중 광전송을 위한 시편광 코딩을 이용한 광 전송 방법 및 시스템
WO2018202698A1 (en) * 2017-05-03 2018-11-08 Université De Genève Apparatus and method for decoy-state three-state quantum key distribution
CN108964778A (zh) * 2017-05-22 2018-12-07 中国科学技术大学 一种用于时间比特-相位编码的解码装置

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
田島 章雄 他: "単一光子伝送による高速量子暗号通信システム", 電子情報通信学会技術研究報告, vol. 108, no. 83, JPN6022025678, 5 June 2008 (2008-06-05), JP, pages 51 - 56, ISSN: 0004813303 *

Also Published As

Publication number Publication date
JP7164013B2 (ja) 2022-11-01
WO2020189348A1 (ja) 2020-09-24
US20220182151A1 (en) 2022-06-09
US11546065B2 (en) 2023-01-03

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