GB8730224D0 - Optical phase-diversity receiver - Google Patents
Optical phase-diversity receiverInfo
- Publication number
- GB8730224D0 GB8730224D0 GB8730224A GB8730224A GB8730224D0 GB 8730224 D0 GB8730224 D0 GB 8730224D0 GB 8730224 A GB8730224 A GB 8730224A GB 8730224 A GB8730224 A GB 8730224A GB 8730224 D0 GB8730224 D0 GB 8730224D0
- Authority
- GB
- United Kingdom
- Prior art keywords
- optical phase
- diversity receiver
- diversity
- receiver
- optical
- Prior art date
- Legal status (The legal status 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 status listed.)
- Withdrawn
Links
- 230000003287 optical effect Effects 0.000 title 1
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
- H04B10/61—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
- H04B10/613—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
- H04B10/614—Coherent receivers comprising one or more polarization beam splitters, e.g. polarization multiplexed [PolMux] X-PSK coherent receivers, polarization diversity heterodyne 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
- H04B10/64—Heterodyne, i.e. coherent receivers where, after the opto-electronic conversion, an electrical signal at an intermediate frequency [IF] is obtained
Landscapes
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Optical Communication System (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB8730224A GB2214381A (en) | 1987-12-29 | 1987-12-29 | Optical phase-diversity receivers |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB8730224A GB2214381A (en) | 1987-12-29 | 1987-12-29 | Optical phase-diversity receivers |
Publications (2)
Publication Number | Publication Date |
---|---|
GB8730224D0 true GB8730224D0 (en) | 1988-02-03 |
GB2214381A GB2214381A (en) | 1989-08-31 |
Family
ID=10629114
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB8730224A Withdrawn GB2214381A (en) | 1987-12-29 | 1987-12-29 | Optical phase-diversity receivers |
Country Status (1)
Country | Link |
---|---|
GB (1) | GB2214381A (en) |
Families Citing this family (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5491763A (en) * | 1992-04-03 | 1996-02-13 | Koninklijke Ptt Nederland N.V. | Optical hybrid with 3×3 coupling device |
NL9200633A (en) * | 1992-04-03 | 1993-11-01 | Nederland Ptt | OPTICAL HYBRID. |
US5473463A (en) * | 1993-05-13 | 1995-12-05 | Koninklijke Ptt Nederland N.V. | Optical hybrid |
US6256103B1 (en) * | 2000-02-17 | 2001-07-03 | Agilent Technologies, Inc. | System and method for optical heterodyne detection of an optical signal |
US20030016425A1 (en) * | 2001-07-19 | 2003-01-23 | Tan Tun Sein | Polarization diversity receiver with planar waveguide and polarizing beam splitter |
US7532822B2 (en) | 2005-02-28 | 2009-05-12 | Nortel Networks Limited | Clock recovery from an optical signal with polarization impairments |
US7555227B2 (en) | 2005-10-21 | 2009-06-30 | Nortel Networks Limited | Polarization compensation in a coherent optical receiver |
US7606498B1 (en) | 2005-10-21 | 2009-10-20 | Nortel Networks Limited | Carrier recovery in a coherent optical receiver |
US7522841B2 (en) | 2005-10-21 | 2009-04-21 | Nortel Networks Limited | Efficient data transmission and training of data processing functions |
EP4117202A1 (en) * | 2021-07-09 | 2023-01-11 | Mitsubishi Electric R & D Centre Europe B.V. | Coherent optical receiver |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3694656A (en) * | 1970-10-28 | 1972-09-26 | Raytheon Co | Balanced optical demodulator |
GB2172766B (en) * | 1985-03-21 | 1988-12-21 | Stc Plc | Optical receiver |
GB8514264D0 (en) * | 1985-06-06 | 1985-07-10 | British Telecomm | Coherent optical receivers |
-
1987
- 1987-12-29 GB GB8730224A patent/GB2214381A/en not_active Withdrawn
Also Published As
Publication number | Publication date |
---|---|
GB2214381A (en) | 1989-08-31 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
WAP | Application withdrawn, taken to be withdrawn or refused ** after publication under section 16(1) |