AU3637799A - Methods and apparatus for selective attenuation in an optical communication using electrochromic material - Google Patents
Methods and apparatus for selective attenuation in an optical communication using electrochromic materialInfo
- Publication number
- AU3637799A AU3637799A AU36377/99A AU3637799A AU3637799A AU 3637799 A AU3637799 A AU 3637799A AU 36377/99 A AU36377/99 A AU 36377/99A AU 3637799 A AU3637799 A AU 3637799A AU 3637799 A AU3637799 A AU 3637799A
- Authority
- AU
- Australia
- Prior art keywords
- methods
- optical communication
- electrochromic material
- selective attenuation
- attenuation
- 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.)
- Abandoned
Links
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
- H04B10/29—Repeaters
- H04B10/291—Repeaters in which processing or amplification is carried out without conversion of the main signal from optical form
- H04B10/293—Signal power control
- H04B10/294—Signal power control in a multiwavelength system, e.g. gain equalisation
- H04B10/296—Transient power control, e.g. due to channel add/drop or rapid fluctuations in the input power
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B2210/00—Indexing scheme relating to optical transmission systems
- H04B2210/25—Distortion or dispersion compensation
- H04B2210/258—Distortion or dispersion compensation treating each wavelength or wavelength band separately
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04J—MULTIPLEX COMMUNICATION
- H04J14/00—Optical multiplex systems
- H04J14/02—Wavelength-division multiplex systems
- H04J14/0221—Power control, e.g. to keep the total optical power constant
Landscapes
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Optical Communication System (AREA)
- Electrochromic Elements, Electrophoresis, Or Variable Reflection Or Absorption Elements (AREA)
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US6525098A | 1998-04-23 | 1998-04-23 | |
US09065250 | 1998-04-23 | ||
PCT/US1999/007389 WO1999055023A1 (en) | 1998-04-23 | 1999-04-23 | Methods and apparatus for selective attenuation in an optical communication using electrochromic material |
Publications (1)
Publication Number | Publication Date |
---|---|
AU3637799A true AU3637799A (en) | 1999-11-08 |
Family
ID=22061395
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
AU36377/99A Abandoned AU3637799A (en) | 1998-04-23 | 1999-04-23 | Methods and apparatus for selective attenuation in an optical communication using electrochromic material |
Country Status (3)
Country | Link |
---|---|
EP (1) | EP1104601A1 (en) |
AU (1) | AU3637799A (en) |
WO (1) | WO1999055023A1 (en) |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6625378B2 (en) | 1999-02-01 | 2003-09-23 | Jds Uniphase Corporation | Variable optical attenuator device |
EP1295169B1 (en) | 2000-05-24 | 2008-06-25 | Schott North America, Inc. | Electrode for electrochromic devices |
GB2376531A (en) * | 2001-06-13 | 2002-12-18 | Bookham Technology Plc | Multichannel wavelength monitoring apparatus |
WO2007016430A2 (en) * | 2005-07-29 | 2007-02-08 | Kestrel Wireless Inc. | Devices and processes for optical media |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2523734A1 (en) * | 1982-03-17 | 1983-09-23 | Commissariat Energie Atomique | Electrolytic attenuator cell for light - where metal such as silver is electroplated onto cell windows to reduce amt. of light passing through cell |
US4938571A (en) * | 1987-06-18 | 1990-07-03 | Cogan Stuart F | Solid state electrochromic light modulator |
US5657151A (en) * | 1993-12-09 | 1997-08-12 | Lucent Technologies Inc. | Polarization scrambler/modulator |
GB9401488D0 (en) * | 1994-01-26 | 1994-03-23 | British Telecomm | Optical communications |
DE19536231A1 (en) * | 1995-09-28 | 1997-04-10 | Siemens Ag | Fiber amplifier for multiple signals with different wavelengths using a wavelength demultiplexer and a wavelength division multiplexer |
-
1999
- 1999-04-23 EP EP99918459A patent/EP1104601A1/en not_active Withdrawn
- 1999-04-23 AU AU36377/99A patent/AU3637799A/en not_active Abandoned
- 1999-04-23 WO PCT/US1999/007389 patent/WO1999055023A1/en not_active Application Discontinuation
Also Published As
Publication number | Publication date |
---|---|
WO1999055023A1 (en) | 1999-10-28 |
EP1104601A1 (en) | 2001-06-06 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
MK6 | Application lapsed section 142(2)(f)/reg. 8.3(3) - pct applic. not entering national phase |