IT1277397B1 - Sistema e metodo di telecomunicazione a multiplazione di lunghezza d'onda con separazione controllata dei canali in uscita - Google Patents
Sistema e metodo di telecomunicazione a multiplazione di lunghezza d'onda con separazione controllata dei canali in uscitaInfo
- Publication number
- IT1277397B1 IT1277397B1 IT95MI001676A ITMI951676A IT1277397B1 IT 1277397 B1 IT1277397 B1 IT 1277397B1 IT 95MI001676 A IT95MI001676 A IT 95MI001676A IT MI951676 A ITMI951676 A IT MI951676A IT 1277397 B1 IT1277397 B1 IT 1277397B1
- Authority
- IT
- Italy
- Prior art keywords
- multiplation
- output channel
- wave length
- telecommunication system
- channel separation
- Prior art date
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04J—MULTIPLEX COMMUNICATION
- H04J14/00—Optical multiplex systems
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04J—MULTIPLEX COMMUNICATION
- H04J14/00—Optical multiplex systems
- H04J14/02—Wavelength-division multiplex systems
-
- 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
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 (19)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
IT95MI001676A IT1277397B1 (it) | 1995-07-31 | 1995-07-31 | Sistema e metodo di telecomunicazione a multiplazione di lunghezza d'onda con separazione controllata dei canali in uscita |
US08/675,079 US5793508A (en) | 1995-07-31 | 1996-07-03 | Wavelength-division multiplexing telecommunication system and method providing a controlled separation of the output channels |
NZ286937A NZ286937A (en) | 1995-07-31 | 1996-07-04 | Optical wavelength division multiplexing: reflected signal separation |
AU59406/96A AU703252B2 (en) | 1995-07-31 | 1996-07-08 | Wavelength-division multiplexing telecommunication system and method providing a controlled separation of the output channels |
MYPI96002914A MY133744A (en) | 1995-07-31 | 1996-07-15 | Wavelength-division multiplexing telecommunication system and method providing a controlled separation of the output channels |
CA002181218A CA2181218A1 (en) | 1995-07-31 | 1996-07-15 | Wavelength-division multiplexing telecommunication system and method providing a controlled separation of the output channels |
TW085108567A TW322668B (it) | 1995-07-31 | 1996-07-15 | |
MX9602781A MX9602781A (es) | 1995-07-31 | 1996-07-15 | Sistema de telecomunicacion multiplexante de division de longitud de onda y metodo para proporcionar una separacion controlada de los canales de salida. |
NO963040A NO963040L (no) | 1995-07-31 | 1996-07-19 | Telekommunikasjonssystem for bölgelengdedelt multipleksing, og fremgangsmåte for styrt separasjon av utgangskanalene |
EP96111803A EP0763907A1 (en) | 1995-07-31 | 1996-07-23 | Wavelength-division multiplexing telecommunication system and method providing a controlled separation of the output channels |
SK979-96A SK97996A3 (en) | 1995-07-31 | 1996-07-25 | Wavelength-division multiplexing telecommunication system and method providing a controlled separation of the output channels |
PL96315445A PL315445A1 (en) | 1995-07-31 | 1996-07-29 | Telecommunication system and method of transmitting a multiplexed signal in a manner ensuring controllable separation of output channels |
RU96115336/09A RU2172073C2 (ru) | 1995-07-31 | 1996-07-30 | Система связи со спектральным уплотнением и способ управляемого разделения выходных каналов |
HU9602095A HUP9602095A3 (en) | 1995-07-31 | 1996-07-30 | Optical telecommunication method, system and receiver |
CN96109365A CN1078784C (zh) | 1995-07-31 | 1996-07-30 | 波分复用通信系统和提供输出信道可控制分离的方法 |
CZ962259A CZ225996A3 (en) | 1995-07-31 | 1996-07-30 | Process of making controlled separation of output communication channels and telecommunication system with multiplexer with division to wavelength |
KR1019960031888A KR970009019A (ko) | 1995-07-31 | 1996-07-31 | 파장 분할 멀티플렉싱 통신 시스템 및 그 출력 채널들의 제어 분리를 제공하는 방법 |
JP8201963A JPH09121204A (ja) | 1995-07-31 | 1996-07-31 | 波長分離多重化通信の方法およびシステム |
BR9604041A BR9604041A (pt) | 1995-07-31 | 1996-07-31 | Sistema e método de telecomunicação a multiplexação de comprimento de onda com separação controlada dos canais de saída e respectiva unidade recepção óptica |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
IT95MI001676A IT1277397B1 (it) | 1995-07-31 | 1995-07-31 | Sistema e metodo di telecomunicazione a multiplazione di lunghezza d'onda con separazione controllata dei canali in uscita |
Publications (3)
Publication Number | Publication Date |
---|---|
ITMI951676A0 ITMI951676A0 (it) | 1995-07-31 |
ITMI951676A1 ITMI951676A1 (it) | 1997-01-31 |
IT1277397B1 true IT1277397B1 (it) | 1997-11-10 |
Family
ID=11372097
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
IT95MI001676A IT1277397B1 (it) | 1995-07-31 | 1995-07-31 | Sistema e metodo di telecomunicazione a multiplazione di lunghezza d'onda con separazione controllata dei canali in uscita |
Country Status (19)
Country | Link |
---|---|
US (1) | US5793508A (it) |
EP (1) | EP0763907A1 (it) |
JP (1) | JPH09121204A (it) |
KR (1) | KR970009019A (it) |
CN (1) | CN1078784C (it) |
AU (1) | AU703252B2 (it) |
BR (1) | BR9604041A (it) |
CA (1) | CA2181218A1 (it) |
CZ (1) | CZ225996A3 (it) |
HU (1) | HUP9602095A3 (it) |
IT (1) | IT1277397B1 (it) |
MX (1) | MX9602781A (it) |
MY (1) | MY133744A (it) |
NO (1) | NO963040L (it) |
NZ (1) | NZ286937A (it) |
PL (1) | PL315445A1 (it) |
RU (1) | RU2172073C2 (it) |
SK (1) | SK97996A3 (it) |
TW (1) | TW322668B (it) |
Families Citing this family (20)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6295149B1 (en) * | 1997-01-15 | 2001-09-25 | Pirelli Cavi E Sistemi S.P.A. | System and method of telecommunication with wavelength division multiplexing comprising a demultiplexer |
US6775484B1 (en) * | 1997-06-03 | 2004-08-10 | Alcatel Alsthom Compagnie Generale D'electricite | Receiver for receiving optical signals |
US6631018B1 (en) | 1997-08-27 | 2003-10-07 | Nortel Networks Limited | WDM optical network with passive pass-through at each node |
DE69836670T2 (de) * | 1997-10-28 | 2007-10-04 | Nec Corp. | Optischer Ein-/Ausfügemultiplexer |
US6038357A (en) * | 1998-02-03 | 2000-03-14 | E-Tek Dynamics, Inc | PDM-WDM for fiberoptic communication networks |
US6545780B1 (en) | 1998-04-22 | 2003-04-08 | Nippon Telegraph And Telephone Corporation | Wavelength allocation method, a transmission equipment and receiving equipment using this method and a wavelength division multiplex transmission system |
EP0964275A1 (en) * | 1998-06-09 | 1999-12-15 | PIRELLI CAVI E SISTEMI S.p.A. | Method and device for dropping optical channels in an optical transmission system |
US6337933B1 (en) * | 1999-04-08 | 2002-01-08 | Ciena Corporation | Narrow bandwidth fiber bragg grating apparatus |
SE514069C2 (sv) * | 1999-04-30 | 2000-12-18 | Ericsson Telefon Ab L M | Optiskt våglängdsselektivt filter samt förfarande för att selektivt filtrera minst en våglängd från en grupp av våglängder |
US6389044B1 (en) * | 1999-07-02 | 2002-05-14 | Corning Incorporated | Multi-wavelength laser usable for WDM applications and interferometric sensors |
US6522455B1 (en) | 2000-02-17 | 2003-02-18 | Ciena Corporation | WDM optical communication system having a dispersion slope compensating element |
KR100357255B1 (ko) * | 2000-03-11 | 2002-10-18 | 옵티시스 주식회사 | 다중 채널 광전송장치 및 이에 채용되는 광통신모듈 |
AU2001275859A1 (en) * | 2000-07-10 | 2002-01-21 | Lo, Victor Yeeman | A system and method for increasing channel capacity of fiber-optic communication networks |
US6934431B2 (en) * | 2000-12-06 | 2005-08-23 | Lucent Technologies Inc. | Variable optical delay lines and methods for making same |
US6567580B2 (en) | 2001-02-01 | 2003-05-20 | Triquint Technology Holding Co. | Optical combiner system and method |
US7319822B2 (en) * | 2001-12-20 | 2008-01-15 | Victor Yeeman Lo | System and method of space-time equalization to mitigate effects of fading and scintillation for wireless communication |
US7302179B2 (en) * | 2003-11-17 | 2007-11-27 | Novx Systems, Inc. | Optical performance monitor using co-located switchable fiber bragg grating array |
RU2359421C2 (ru) * | 2008-06-10 | 2009-06-20 | Олег Григорьевич Греш | Способ передачи информации с помощью линейно-поляризованных электромагнитных волн и система для его осуществления |
EP2656520B1 (en) * | 2010-12-20 | 2015-12-16 | Telefonaktiebolaget L M Ericsson (publ) | Method and arrangement for receiving an optical input signal and transmittning an optical output signal |
RU2572363C1 (ru) * | 2014-09-19 | 2016-01-10 | Общество с ограниченной ответственностью "Научно-технический центр Т8" (ООО "Т8 НТЦ") | Волоконно-оптическая система связи |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5195161A (en) * | 1991-12-11 | 1993-03-16 | At&T Bell Laboratories | Optical waveguide comprising Bragg grating coupling means |
US5233453A (en) * | 1992-04-29 | 1993-08-03 | International Business Machines Corporation | Space-division switched waveguide array filter and method using same |
CA2104189A1 (en) * | 1992-12-21 | 1994-06-22 | Daniel A. Fishman | Optical signal identification technique |
US5475780A (en) * | 1993-06-17 | 1995-12-12 | At&T Corp. | Optical waveguiding component comprising a band-pass filter |
US5541766A (en) * | 1994-11-30 | 1996-07-30 | At&T Corp. | Gain control for optically amplified systems |
US5504609A (en) * | 1995-05-11 | 1996-04-02 | Ciena Corporation | WDM optical communication system with remodulators |
-
1995
- 1995-07-31 IT IT95MI001676A patent/IT1277397B1/it active IP Right Grant
-
1996
- 1996-07-03 US US08/675,079 patent/US5793508A/en not_active Expired - Lifetime
- 1996-07-04 NZ NZ286937A patent/NZ286937A/en unknown
- 1996-07-08 AU AU59406/96A patent/AU703252B2/en not_active Ceased
- 1996-07-15 TW TW085108567A patent/TW322668B/zh active
- 1996-07-15 CA CA002181218A patent/CA2181218A1/en not_active Abandoned
- 1996-07-15 MY MYPI96002914A patent/MY133744A/en unknown
- 1996-07-15 MX MX9602781A patent/MX9602781A/es unknown
- 1996-07-19 NO NO963040A patent/NO963040L/no not_active Application Discontinuation
- 1996-07-23 EP EP96111803A patent/EP0763907A1/en not_active Withdrawn
- 1996-07-25 SK SK979-96A patent/SK97996A3/sk unknown
- 1996-07-29 PL PL96315445A patent/PL315445A1/xx unknown
- 1996-07-30 HU HU9602095A patent/HUP9602095A3/hu unknown
- 1996-07-30 RU RU96115336/09A patent/RU2172073C2/ru not_active IP Right Cessation
- 1996-07-30 CN CN96109365A patent/CN1078784C/zh not_active Expired - Fee Related
- 1996-07-30 CZ CZ962259A patent/CZ225996A3/cs unknown
- 1996-07-31 JP JP8201963A patent/JPH09121204A/ja active Pending
- 1996-07-31 BR BR9604041A patent/BR9604041A/pt active Search and Examination
- 1996-07-31 KR KR1019960031888A patent/KR970009019A/ko not_active Application Discontinuation
Also Published As
Publication number | Publication date |
---|---|
NZ286937A (en) | 1997-04-24 |
RU2172073C2 (ru) | 2001-08-10 |
CN1078784C (zh) | 2002-01-30 |
CZ225996A3 (en) | 1997-02-12 |
MX9602781A (es) | 1997-06-28 |
AU703252B2 (en) | 1999-03-25 |
CA2181218A1 (en) | 1997-02-01 |
JPH09121204A (ja) | 1997-05-06 |
HUP9602095A2 (en) | 1997-05-28 |
SK97996A3 (en) | 1998-06-03 |
AU5940696A (en) | 1997-02-13 |
NO963040L (no) | 1997-02-03 |
MY133744A (en) | 2007-11-30 |
ITMI951676A1 (it) | 1997-01-31 |
EP0763907A1 (en) | 1997-03-19 |
ITMI951676A0 (it) | 1995-07-31 |
US5793508A (en) | 1998-08-11 |
BR9604041A (pt) | 1998-04-22 |
NO963040D0 (no) | 1996-07-19 |
HU9602095D0 (en) | 1996-09-30 |
CN1147732A (zh) | 1997-04-16 |
TW322668B (it) | 1997-12-11 |
KR970009019A (ko) | 1997-02-24 |
PL315445A1 (en) | 1997-02-03 |
HUP9602095A3 (en) | 2000-05-29 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
0001 | Granted |