WO2009004682A1 - 光受信回路 - Google Patents
光受信回路 Download PDFInfo
- Publication number
- WO2009004682A1 WO2009004682A1 PCT/JP2007/063121 JP2007063121W WO2009004682A1 WO 2009004682 A1 WO2009004682 A1 WO 2009004682A1 JP 2007063121 W JP2007063121 W JP 2007063121W WO 2009004682 A1 WO2009004682 A1 WO 2009004682A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- phase
- wavelength
- positive
- negative
- signal
- Prior art date
Links
- 230000003287 optical effect Effects 0.000 title abstract 2
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
- H04B10/60—Receivers
- H04B10/66—Non-coherent receivers, e.g. using direct detection
- H04B10/69—Electrical arrangements in the receiver
- H04B10/691—Arrangements for optimizing the photodetector in the receiver
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04J—MULTIPLEX COMMUNICATION
- H04J14/00—Optical multiplex systems
- H04J14/02—Wavelength-division multiplex systems
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Optical Communication System (AREA)
- Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
Abstract
光受信回路(100)は、位相変調および波長多重がなされた光信号を受信して復調する光受信回路である。デモジュレータ(110)は、位相比較のための基準信号と受信した光信号とを干渉させて正相信号および逆相信号として出力する。波長分波部(120)は、デモジュレータ(110)によって出力される正相信号および逆相信号が互いに隣接して入力される複数の入力ポートおよび複数の出力ポートを有し、入力された正相信号および逆相信号を波長毎に分波し、分波した正相信号および逆相信号を波長毎に互いに隣接させた状態で出力する。バランスドレシーバ(130)は、波長毎に対応して設けられ、波長分波部(120)の出力のうちそれぞれ対応する波長の正相信号および逆相信号をバランス受信して復調を行う。
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
PCT/JP2007/063121 WO2009004682A1 (ja) | 2007-06-29 | 2007-06-29 | 光受信回路 |
JP2009521438A JP4894924B2 (ja) | 2007-06-29 | 2007-06-29 | 光受信回路 |
US12/637,082 US8184994B2 (en) | 2007-06-29 | 2009-12-14 | Optical receiving circuit |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
PCT/JP2007/063121 WO2009004682A1 (ja) | 2007-06-29 | 2007-06-29 | 光受信回路 |
Related Child Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US12/637,082 Continuation US8184994B2 (en) | 2007-06-29 | 2009-12-14 | Optical receiving circuit |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2009004682A1 true WO2009004682A1 (ja) | 2009-01-08 |
Family
ID=40225752
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/JP2007/063121 WO2009004682A1 (ja) | 2007-06-29 | 2007-06-29 | 光受信回路 |
Country Status (3)
Country | Link |
---|---|
US (1) | US8184994B2 (ja) |
JP (1) | JP4894924B2 (ja) |
WO (1) | WO2009004682A1 (ja) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP2465218A1 (en) * | 2009-08-14 | 2012-06-20 | Alcatel Lucent | Coherent receiver having an interleave-chirped arrayed waveguide grating |
JP2015510314A (ja) * | 2012-01-09 | 2015-04-02 | アルカテル−ルーセント | 二重偏光多重波長コヒーレント受信機フロントエンド |
WO2019004040A1 (ja) * | 2017-06-27 | 2019-01-03 | 日本電信電話株式会社 | 光送信機、光受信機及び光伝送システム |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US11102426B1 (en) * | 2018-05-18 | 2021-08-24 | Lockheed Martin Corporation | Photonic integrated circuit for heterodyne imaging |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2005065273A (ja) * | 2003-08-13 | 2005-03-10 | Lucent Technol Inc | Pmd/pdl/pdgの多重チャネル緩和のシステムと方法 |
JP2005295559A (ja) * | 2004-03-31 | 2005-10-20 | Lucent Technol Inc | Pmd/pdl/pdg軽減のための方法および装置 |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2005094287A (ja) | 2003-09-17 | 2005-04-07 | Kddi Corp | 光伝送方法及びシステム並びに光送信方法及び装置 |
JP4376647B2 (ja) * | 2004-02-03 | 2009-12-02 | 日本電信電話株式会社 | 波長ルータ及び光波長多重伝送システム |
US7489874B2 (en) | 2005-02-28 | 2009-02-10 | Alcatel-Lucent Usa Inc. | Method and apparatus for demodulation of optical differential phase shift keyed signals |
WO2007001090A1 (ja) * | 2005-06-28 | 2007-01-04 | Nec Corporation | Dpsk変復調方法、これを用いた光通信装置および光通信システム |
JP4816969B2 (ja) * | 2005-10-05 | 2011-11-16 | 日本電気株式会社 | 光受信器、光通信システム及び方法 |
-
2007
- 2007-06-29 WO PCT/JP2007/063121 patent/WO2009004682A1/ja active Application Filing
- 2007-06-29 JP JP2009521438A patent/JP4894924B2/ja not_active Expired - Fee Related
-
2009
- 2009-12-14 US US12/637,082 patent/US8184994B2/en not_active Expired - Fee Related
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2005065273A (ja) * | 2003-08-13 | 2005-03-10 | Lucent Technol Inc | Pmd/pdl/pdgの多重チャネル緩和のシステムと方法 |
JP2005295559A (ja) * | 2004-03-31 | 2005-10-20 | Lucent Technol Inc | Pmd/pdl/pdg軽減のための方法および装置 |
Non-Patent Citations (3)
Title |
---|
DAIKOKU M. ET AL.: "Performance comparison of modulation formats for 40 Gbit/s DWDM transmission systems", OPTICAL FIBER COMMUNICATION CONFERENCE, TECHNICAL DIGEST, OFC/NFOEC, vol. 5, 6 March 2005 (2005-03-06) - 11 March 2005 (2005-03-11), pages 1 - 3, XP003024130 * |
SERBAY M. ET AL.: "Comparison of six different RZ-DQPSK transmitter set-ups regarding their tolerance towards fibre impairments in 8x40Gb/s WDM-systems", ADVANCED MODULATION FORMATS, IEEE/LEOS WORKSHOP, 1 July 2004 (2004-07-01) - 2 July 2004 (2004-07-02), pages 9 - 10, XP010715409 * |
YOSHIKANE N. AND MORITA I.: "1.14 b/s/Hz spectrally-efficient 50/spl times/85.4 Gb/s transmission over 300 km using copolarized CS-RZ DQPSK signals", OPTICAL FIBER COMMUNICATION CONFERENCE, OFC 2004, vol. 2, 23 February 2004 (2004-02-23) - 27 February 2004 (2004-02-27), pages 3, XP010745986 * |
Cited By (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP2465218A1 (en) * | 2009-08-14 | 2012-06-20 | Alcatel Lucent | Coherent receiver having an interleave-chirped arrayed waveguide grating |
EP2465218B1 (en) * | 2009-08-14 | 2019-01-23 | Alcatel Lucent | Coherent receiver having an interleave-chirped arrayed waveguide grating |
JP2015510314A (ja) * | 2012-01-09 | 2015-04-02 | アルカテル−ルーセント | 二重偏光多重波長コヒーレント受信機フロントエンド |
US9374185B2 (en) | 2012-01-09 | 2016-06-21 | Alcatel Lucent | Dual-polarization multi-wavelength coherent receiver frontend |
WO2019004040A1 (ja) * | 2017-06-27 | 2019-01-03 | 日本電信電話株式会社 | 光送信機、光受信機及び光伝送システム |
US10951344B2 (en) | 2017-06-27 | 2021-03-16 | Nippon Telegraph And Telephone Corporation | Optical transmitter, optical receiver, and optical transmission system |
Also Published As
Publication number | Publication date |
---|---|
JPWO2009004682A1 (ja) | 2010-08-26 |
US20100119230A1 (en) | 2010-05-13 |
JP4894924B2 (ja) | 2012-03-14 |
US8184994B2 (en) | 2012-05-22 |
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