IT8421798A1 - Impianto di comunicazione ottica a multiplazione a divisione di lunghezza d'onda - Google Patents

Impianto di comunicazione ottica a multiplazione a divisione di lunghezza d'onda

Info

Publication number
IT8421798A1
IT8421798A1 IT1984A21798A IT2179884A IT8421798A1 IT 8421798 A1 IT8421798 A1 IT 8421798A1 IT 1984A21798 A IT1984A21798 A IT 1984A21798A IT 2179884 A IT2179884 A IT 2179884A IT 8421798 A1 IT8421798 A1 IT 8421798A1
Authority
IT
Italy
Prior art keywords
multiplation
communication system
optical communication
wave length
length division
Prior art date
Application number
IT1984A21798A
Other languages
English (en)
Other versions
IT1176381B (it
IT8421798A0 (it
Original Assignee
American Telephone & Telegraph Company
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by American Telephone & Telegraph Company filed Critical American Telephone & Telegraph Company
Publication of IT8421798A0 publication Critical patent/IT8421798A0/it
Publication of IT8421798A1 publication Critical patent/IT8421798A1/it
Application granted granted Critical
Publication of IT1176381B publication Critical patent/IT1176381B/it

Links

Classifications

    • 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
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04J—MULTIPLEX COMMUNICATION
    • H04J14/00—Optical multiplex systems
    • H04J14/02—Wavelength-division multiplex systems
    • H04J14/0227—Operation, administration, maintenance or provisioning [OAMP] of WDM networks, e.g. media access, routing or wavelength allocation
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04J—MULTIPLEX COMMUNICATION
    • H04J14/00—Optical multiplex systems
    • H04J14/02—Wavelength-division multiplex systems
    • H04J14/0227—Operation, administration, maintenance or provisioning [OAMP] of WDM networks, e.g. media access, routing or wavelength allocation
    • H04J14/0228—Wavelength allocation for communications one-to-all, e.g. broadcasting wavelengths
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04J—MULTIPLEX COMMUNICATION
    • H04J14/00—Optical multiplex systems
    • H04J14/02—Wavelength-division multiplex systems
    • H04J14/0227—Operation, administration, maintenance or provisioning [OAMP] of WDM networks, e.g. media access, routing or wavelength allocation
    • H04J14/0241—Wavelength allocation for communications one-to-one, e.g. unicasting wavelengths
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04J—MULTIPLEX COMMUNICATION
    • H04J14/00—Optical multiplex systems
    • H04J14/02—Wavelength-division multiplex systems
    • H04J14/0278—WDM optical network architectures
    • H04J14/0283—WDM ring architectures
IT21798/84A 1983-07-08 1984-07-06 Impianto di comunicazione ottica a multiplazione a divisione di lunghezza d'onda IT1176381B (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US51187383A 1983-07-08 1983-07-08

Publications (3)

Publication Number Publication Date
IT8421798A0 IT8421798A0 (it) 1984-07-06
IT8421798A1 true IT8421798A1 (it) 1986-01-06
IT1176381B IT1176381B (it) 1987-08-18

Family

ID=24036804

Family Applications (1)

Application Number Title Priority Date Filing Date
IT21798/84A IT1176381B (it) 1983-07-08 1984-07-06 Impianto di comunicazione ottica a multiplazione a divisione di lunghezza d'onda

Country Status (6)

Country Link
EP (1) EP0148266B1 (it)
JP (1) JPH081503B2 (it)
CA (1) CA1233574A (it)
DE (1) DE3484345D1 (it)
IT (1) IT1176381B (it)
WO (1) WO1985000484A1 (it)

Families Citing this family (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4730301A (en) * 1985-12-20 1988-03-08 Polaroid Corporation Wavelength multiplexed optical communications system and method
US4759011A (en) * 1986-03-03 1988-07-19 Polaroid Corporation Intranetwork and internetwork optical communications system and method
US4715028A (en) * 1986-06-13 1987-12-22 Polaroid Corporation Optical communication system
US4768849A (en) * 1986-09-15 1988-09-06 Hicks Jr John W Filter tap for optical communications systems
JPH0712230B2 (ja) * 1988-07-18 1995-02-08 富士通株式会社 光交換システム
GB8902745D0 (en) * 1989-02-08 1989-03-30 British Telecomm Optical interconnection network
DE4142922A1 (de) * 1991-12-24 1993-07-01 Bosch Gmbh Robert Bauelement zur verwendung bei der uebertragung optischer signale
DE4240627A1 (de) * 1992-12-03 1994-06-09 Bosch Gmbh Robert Integriert-optische Schaltung und Kopfstation für eine integriert-optische Schaltung
CN107064066B (zh) * 2017-04-21 2023-06-06 中国计量大学 一种基于光纤微腔双f-p游标放大氢气传感器的自标定方法及装置
US11303356B1 (en) 2019-04-18 2022-04-12 Raytheon Company Methods and apparatus for maintaining receiver operating point with changing angle-of-arrival of a received signal
US11307395B2 (en) 2019-05-23 2022-04-19 Raytheon Company Methods and apparatus for optical path length equalization in an optical cavity
EP3987687B1 (en) 2019-06-20 2023-07-05 Raytheon Company Methods and apparatus for tracking moving objects using symmetric phase change detection
WO2021003429A1 (en) 2019-07-03 2021-01-07 Raytheon Company Optical receiver comprising a rotatable optical resonator, and method for demodulating an optical signal using said receiver
US11199754B2 (en) 2019-07-15 2021-12-14 Raytheon Company Demodulator with optical resonator

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3731110A (en) * 1971-07-12 1973-05-01 Laser system for producing wavelength-tunable optical radiation
GB1482936A (en) * 1974-10-29 1977-08-17 Standard Telephones Cables Ltd Semiconductor lasers
CA1108902A (en) * 1978-06-15 1981-09-15 R. Ian Macdonald Wavelength selective optical coupler
US4342499A (en) * 1979-03-19 1982-08-03 Hicks Jr John W Communications tuning construction
ATE38099T1 (de) * 1981-12-16 1988-11-15 Polaroid Corp Optische hohlraumresonanzfilter.

Also Published As

Publication number Publication date
IT1176381B (it) 1987-08-18
EP0148266B1 (en) 1991-03-27
JPS60501780A (ja) 1985-10-17
IT8421798A0 (it) 1984-07-06
JPH081503B2 (ja) 1996-01-10
EP0148266A1 (en) 1985-07-17
CA1233574A (en) 1988-03-01
WO1985000484A1 (en) 1985-01-31
EP0148266A4 (en) 1987-10-26
DE3484345D1 (de) 1991-05-02

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Legal Events

Date Code Title Description
TA Fee payment date (situation as of event date), data collected since 19931001

Effective date: 19970725