GB0130346D0 - Control of wavelength selectable filters in optical networks - Google Patents
Control of wavelength selectable filters in optical networksInfo
- Publication number
- GB0130346D0 GB0130346D0 GBGB0130346.0A GB0130346A GB0130346D0 GB 0130346 D0 GB0130346 D0 GB 0130346D0 GB 0130346 A GB0130346 A GB 0130346A GB 0130346 D0 GB0130346 D0 GB 0130346D0
- Authority
- GB
- United Kingdom
- Prior art keywords
- control
- optical networks
- wavelength selectable
- selectable filters
- filters
- 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.)
- Ceased
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
- H04B10/66—Non-coherent receivers, e.g. using direct detection
- H04B10/67—Optical arrangements in the receiver
- H04B10/671—Optical arrangements in the receiver for controlling the input optical signal
- H04B10/675—Optical arrangements in the receiver for controlling the input optical signal for controlling the optical bandwidth of the input signal, e.g. spectral filtering
-
- 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)
- Spectroscopy & Molecular Physics (AREA)
- Electromagnetism (AREA)
- Optical Communication System (AREA)
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GBGB0130346.0A GB0130346D0 (en) | 2001-12-19 | 2001-12-19 | Control of wavelength selectable filters in optical networks |
PCT/GB2002/005462 WO2003052986A1 (en) | 2001-12-19 | 2002-12-04 | Control of wavelength selectable filters in optical networks |
AU2002350900A AU2002350900A1 (en) | 2001-12-19 | 2002-12-04 | Control of wavelength selectable filters in optical networks |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GBGB0130346.0A GB0130346D0 (en) | 2001-12-19 | 2001-12-19 | Control of wavelength selectable filters in optical networks |
Publications (1)
Publication Number | Publication Date |
---|---|
GB0130346D0 true GB0130346D0 (en) | 2002-02-06 |
Family
ID=9927927
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GBGB0130346.0A Ceased GB0130346D0 (en) | 2001-12-19 | 2001-12-19 | Control of wavelength selectable filters in optical networks |
Country Status (3)
Country | Link |
---|---|
AU (1) | AU2002350900A1 (en) |
GB (1) | GB0130346D0 (en) |
WO (1) | WO2003052986A1 (en) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US10673528B1 (en) * | 2019-02-25 | 2020-06-02 | Huawei Technologies Co., Ltd. | Methods and apparatuses for controlling optical signals in optical networks |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP3256713B2 (en) * | 1992-06-27 | 2002-02-12 | キヤノン株式会社 | Wavelength tunable filter control method, control device, and optical communication system using the same |
CA2206945A1 (en) * | 1996-06-03 | 1997-12-03 | Tadashi Koga | Optical receiver board, optical wavelength-tuning filter module used foroptical receiver board, and actuator for optical wavelength-tuning filter module |
FR2787262A1 (en) * | 1998-12-14 | 2000-06-16 | Cit Alcatel | FIBER OPTIC TRANSMISSION SYSTEM WITH VARIABLE WIDTH RECEIVING FILTER |
JP2001251245A (en) * | 2000-03-03 | 2001-09-14 | Fujitsu Ltd | System and method for uniformizing transmission characteristic in wavelength division multiplex optical communication system |
-
2001
- 2001-12-19 GB GBGB0130346.0A patent/GB0130346D0/en not_active Ceased
-
2002
- 2002-12-04 AU AU2002350900A patent/AU2002350900A1/en not_active Abandoned
- 2002-12-04 WO PCT/GB2002/005462 patent/WO2003052986A1/en not_active Application Discontinuation
Also Published As
Publication number | Publication date |
---|---|
WO2003052986A1 (en) | 2003-06-26 |
AU2002350900A1 (en) | 2003-06-30 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
AT | Applications terminated before publication under section 16(1) |