JP5373908B2 - 光90度ハイブリッド回路 - Google Patents
光90度ハイブリッド回路 Download PDFInfo
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- JP5373908B2 JP5373908B2 JP2011523562A JP2011523562A JP5373908B2 JP 5373908 B2 JP5373908 B2 JP 5373908B2 JP 2011523562 A JP2011523562 A JP 2011523562A JP 2011523562 A JP2011523562 A JP 2011523562A JP 5373908 B2 JP5373908 B2 JP 5373908B2
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- Prior art keywords
- optical
- input
- light
- hybrid circuit
- waveguide
- Prior art date
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- 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
- H04B10/60—Receivers
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- 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
- H04B10/60—Receivers
- H04B10/61—Coherent receivers
- H04B10/613—Coherent receivers including phase diversity, e.g., having in-phase and quadrature branches, as in QPSK coherent receivers
-
- 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
- H04B10/60—Receivers
- H04B10/61—Coherent receivers
- H04B10/65—Intradyne, i.e. coherent receivers with a free running local oscillator having a frequency close but not phase-locked to the carrier signal
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04J—MULTIPLEX COMMUNICATION
- H04J14/00—Optical multiplex systems
- H04J14/02—Wavelength-division multiplex systems
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- 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
- G02F1/217—Multimode interference type
-
- 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
- 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
- G02F2203/00—Function characteristic
- G02F2203/04—Function characteristic wavelength independent
-
- 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
- G02F2203/00—Function characteristic
- G02F2203/50—Phase-only modulation
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04J—MULTIPLEX COMMUNICATION
- H04J14/00—Optical multiplex systems
- H04J14/06—Polarisation multiplex systems
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- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Optical Integrated Circuits (AREA)
Description
L×ΔN=(±1/4+m)λ (1)
ΔL×N(λ)=(±1/4+m)λ (2)
Claims (3)
- 第1の入力ポート及び第2の入力ポートを有し、光を2つに分岐する第1の分波用光結合器と、
第3の入力ポート及び第4の入力ポートを有し、光を2つに分岐する第2の分波用光結合器と、
前記第1の入力ポートのスルーポートを介して結合され、前記第2の入力ポートのクロスポートを介して結合された第1のアーム導波路と、
前記第1の入力ポートのクロスポートを介して結合され、前記第2の入力ポートのスルーポートを介して結合された、前記第1のアーム導波路と長さの等しい第2のアーム導波路と、
前記第3の入力ポートのスルーポートを介して結合され、前記第4の入力ポートのクロスポートを介して結合された第3のアーム導波路と、
前記第3の入力ポートのクロスポートを介して結合され、前記第4の入力ポートのスルーポートを介して結合された、前記第3のアーム導波路と長さの等しい第4のアーム導波路と、
前記第1のアーム導波路ないし前記第4のアーム導波路のうちの一本に設けられた、光の位相を90度シフトする90度位相シフト部と、
前記第1のアーム導波路と前記第3のアーム導波路とに接続された第1の光結合器と、
前記第2のアーム導波路と前記第4のアーム導波路とに接続された第2の光結合器とを備え、
前記第2の入力ポート及び前記第3の入力ポートに光が入力されるように構成されることを特徴とする光90度ハイブリッド回路。 - 前記第1の分波用光結合器及び前記第2の分波用光結合器は、方向性結合器で構成されていることを特徴とする請求項1に記載の光90度ハイブリッド回路。
- 前記第1の分波用光結合器及び前記第2の分波用光結合器は、MMIカプラで構成されていることを特徴とする請求項1に記載の光90度ハイブリッド回路。
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2011523562A JP5373908B2 (ja) | 2009-07-22 | 2010-07-22 | 光90度ハイブリッド回路 |
Applications Claiming Priority (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2009171287 | 2009-07-22 | ||
JP2009171287 | 2009-07-22 | ||
PCT/JP2010/004703 WO2011010469A1 (ja) | 2009-07-22 | 2010-07-22 | 光90度ハイブリッド回路 |
JP2011523562A JP5373908B2 (ja) | 2009-07-22 | 2010-07-22 | 光90度ハイブリッド回路 |
Publications (2)
Publication Number | Publication Date |
---|---|
JPWO2011010469A1 JPWO2011010469A1 (ja) | 2012-12-27 |
JP5373908B2 true JP5373908B2 (ja) | 2013-12-18 |
Family
ID=43498949
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2011523562A Active JP5373908B2 (ja) | 2009-07-22 | 2010-07-22 | 光90度ハイブリッド回路 |
Country Status (3)
Country | Link |
---|---|
US (1) | US8649640B2 (ja) |
JP (1) | JP5373908B2 (ja) |
WO (1) | WO2011010469A1 (ja) |
Families Citing this family (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US8588560B2 (en) * | 2009-07-10 | 2013-11-19 | Nippon Telegraph And Telephone Corporation | Optical 90-degree hybrid circuit |
US8676009B2 (en) * | 2011-03-15 | 2014-03-18 | Alcatel Lucent | Monolithic photonic integrated circuit |
KR20130049967A (ko) * | 2011-11-07 | 2013-05-15 | 한국전자통신연구원 | Dpsk 방식의 광수신기 |
KR20140077734A (ko) * | 2012-12-14 | 2014-06-24 | 한국전자통신연구원 | 광 수신기에 대한 iq 불균형 측정 장치 및 iq 불균형 측정 방법 |
CN103166713B (zh) * | 2013-03-01 | 2015-05-20 | 华中科技大学 | 一种相干接收机光混合器 |
EP3306386B1 (en) | 2015-05-29 | 2019-12-04 | Nippon Telegraph And Telephone Corporation | Coherent optical mixer circuit |
JP6701247B2 (ja) * | 2018-02-27 | 2020-05-27 | 日本電信電話株式会社 | 光信号処理装置 |
CN109445025A (zh) * | 2018-12-19 | 2019-03-08 | 武汉邮电科学研究院有限公司 | 一种光混频器相位误差的修正方法及结构 |
US11417822B2 (en) | 2019-12-17 | 2022-08-16 | International Business Machines Corporation | Frequency multiplexing for qubit readout |
JP7389350B2 (ja) | 2020-03-19 | 2023-11-30 | 富士通オプティカルコンポーネンツ株式会社 | 90度光ハイブリッド |
JP2023175153A (ja) * | 2022-05-30 | 2023-12-12 | 住友電気工業株式会社 | 受光デバイス及び受光装置 |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP3703013B2 (ja) * | 2001-01-26 | 2005-10-05 | 日本電信電話株式会社 | 干渉計光回路及びその製造方法 |
GB2385144B (en) | 2002-01-23 | 2006-02-08 | Marconi Optical Components Ltd | Optical signal demodulators |
JP4365416B2 (ja) * | 2007-01-17 | 2009-11-18 | 日本電信電話株式会社 | 光多値変調信号用光遅延検波回路 |
-
2010
- 2010-07-22 JP JP2011523562A patent/JP5373908B2/ja active Active
- 2010-07-22 US US13/379,702 patent/US8649640B2/en active Active
- 2010-07-22 WO PCT/JP2010/004703 patent/WO2011010469A1/ja active Application Filing
Non-Patent Citations (1)
Title |
---|
JPN6012067557; Journal of Lightwave Technology Vol.24,No.3, 200603, 1317-1322 * |
Also Published As
Publication number | Publication date |
---|---|
US20120141067A1 (en) | 2012-06-07 |
JPWO2011010469A1 (ja) | 2012-12-27 |
US8649640B2 (en) | 2014-02-11 |
WO2011010469A1 (ja) | 2011-01-27 |
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