IT1176381B - 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'ondaInfo
- Publication number
- IT1176381B IT1176381B IT21798/84A IT2179884A IT1176381B IT 1176381 B IT1176381 B IT 1176381B IT 21798/84 A IT21798/84 A IT 21798/84A IT 2179884 A IT2179884 A IT 2179884A IT 1176381 B IT1176381 B IT 1176381B
- Authority
- IT
- Italy
- Prior art keywords
- resonator
- multiplation
- communication system
- optical communication
- wave length
- Prior art date
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
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)
- Semiconductor Lasers (AREA)
- Optical Integrated Circuits (AREA)
- Lasers (AREA)
- Gyroscopes (AREA)
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 IT8421798A1 (it) | 1986-01-06 |
IT1176381B true 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)
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 |
EP3994808A1 (en) | 2019-07-03 | 2022-05-11 | 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)
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 |
BR8208023A (pt) * | 1981-12-16 | 1983-11-22 | Polaroid Corp | Dispositivo para transferir energia luminosa e filtro para energia luminosa |
-
1984
- 1984-06-25 DE DE8484903500T patent/DE3484345D1/de not_active Expired - Fee Related
- 1984-06-25 JP JP59503501A patent/JPH081503B2/ja not_active Expired - Lifetime
- 1984-06-25 EP EP84903500A patent/EP0148266B1/en not_active Expired - Lifetime
- 1984-06-25 WO PCT/US1984/000952 patent/WO1985000484A1/en active IP Right Grant
- 1984-06-27 CA CA000457581A patent/CA1233574A/en not_active Expired
- 1984-07-06 IT IT21798/84A patent/IT1176381B/it active
Also Published As
Publication number | Publication date |
---|---|
WO1985000484A1 (en) | 1985-01-31 |
IT8421798A1 (it) | 1986-01-06 |
JPH081503B2 (ja) | 1996-01-10 |
IT8421798A0 (it) | 1984-07-06 |
DE3484345D1 (de) | 1991-05-02 |
EP0148266A4 (en) | 1987-10-26 |
EP0148266B1 (en) | 1991-03-27 |
EP0148266A1 (en) | 1985-07-17 |
CA1233574A (en) | 1988-03-01 |
JPS60501780A (ja) | 1985-10-17 |
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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 |