IT1045702B - Amplificatore ottico intermedio per un sistema di comunicazioni elettriche - Google Patents
Amplificatore ottico intermedio per un sistema di comunicazioni elettricheInfo
- Publication number
- IT1045702B IT1045702B IT29508/73A IT2950873A IT1045702B IT 1045702 B IT1045702 B IT 1045702B IT 29508/73 A IT29508/73 A IT 29508/73A IT 2950873 A IT2950873 A IT 2950873A IT 1045702 B IT1045702 B IT 1045702B
- Authority
- IT
- Italy
- Prior art keywords
- communication system
- optical amplifier
- electric communication
- intermediate optical
- electric
- Prior art date
Links
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01S—DEVICES USING THE PROCESS OF LIGHT AMPLIFICATION BY STIMULATED EMISSION OF RADIATION [LASER] TO AMPLIFY OR GENERATE LIGHT; DEVICES USING STIMULATED EMISSION OF ELECTROMAGNETIC RADIATION IN WAVE RANGES OTHER THAN OPTICAL
- H01S5/00—Semiconductor lasers
- H01S5/50—Amplifier structures not provided for in groups H01S5/02 - H01S5/30
-
- 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
- H04B10/2912—Repeaters in which processing or amplification is carried out without conversion of the main signal from optical form characterised by the medium used for amplification or processing
- H04B10/2914—Repeaters in which processing or amplification is carried out without conversion of the main signal from optical form characterised by the medium used for amplification or processing using lumped semiconductor optical amplifiers [SOA]
-
- 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
- H04B10/2931—Signal power control using AGC
Landscapes
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Optical Communication System (AREA)
- Semiconductor Lasers (AREA)
- Lasers (AREA)
- Photo Coupler, Interrupter, Optical-To-Optical Conversion Devices (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE2248372A DE2248372C2 (de) | 1972-10-03 | 1972-10-03 | Zwischenverstärker für ein optisches Nachrichtenübertragungssystem |
Publications (1)
Publication Number | Publication Date |
---|---|
IT1045702B true IT1045702B (it) | 1980-06-10 |
Family
ID=5858032
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
IT29508/73A IT1045702B (it) | 1972-10-03 | 1973-09-28 | Amplificatore ottico intermedio per un sistema di comunicazioni elettriche |
Country Status (12)
Country | Link |
---|---|
US (1) | US3887876A (it) |
JP (1) | JPS5754953B2 (it) |
AU (1) | AU477060B2 (it) |
BE (1) | BE805626R (it) |
CA (1) | CA996240A (it) |
CH (1) | CH557604A (it) |
DE (1) | DE2248372C2 (it) |
GB (1) | GB1446589A (it) |
IT (1) | IT1045702B (it) |
LU (1) | LU68544A1 (it) |
NL (1) | NL183617C (it) |
SE (1) | SE397444B (it) |
Families Citing this family (33)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB1511098A (en) * | 1975-10-21 | 1978-05-17 | Hughes J | Optical transponder |
JPS52113604A (en) * | 1976-03-22 | 1977-09-22 | Nippon Telegr & Teleph Corp <Ntt> | Light pulse wave-form shaping using laser |
US4065729A (en) * | 1976-04-16 | 1977-12-27 | California Institute Of Technology | Monolithic PNPN injection laser optical repeater |
JPS5555591A (en) * | 1978-10-19 | 1980-04-23 | Kokusai Denshin Denwa Co Ltd <Kdd> | Semiconductor light amplifier |
US4287606A (en) * | 1980-09-17 | 1981-09-01 | Nasa | Fiber optic transmission line stabilization apparatus and method |
JPS5896789A (ja) * | 1981-12-03 | 1983-06-08 | Nec Corp | 光増幅送信装置 |
GB2169765B (en) * | 1984-12-13 | 1988-06-08 | Stc Plc | Optical amplifiers |
JPS61201222A (ja) * | 1985-03-04 | 1986-09-05 | Hitachi Ltd | 光パルス増幅整形装置 |
GB8612956D0 (en) * | 1986-05-28 | 1986-07-02 | British Telecomm | Optical signal regenerator |
GB8709224D0 (en) * | 1987-04-16 | 1987-06-10 | British Telecomm | Optical amplifier |
DE3808892C2 (de) * | 1988-03-17 | 1997-04-30 | Sel Alcatel Ag | Verstärker für Licht |
JPH01287426A (ja) * | 1988-05-13 | 1989-11-20 | Hamamatsu Photonics Kk | 光信号サンプリング装置 |
JPH0758376B2 (ja) * | 1988-05-26 | 1995-06-21 | 浜松ホトニクス株式会社 | 光波形整形装置 |
JPH0334503U (it) * | 1989-08-12 | 1991-04-04 | ||
US5019787A (en) * | 1989-10-30 | 1991-05-28 | David Sarnoff Research Center, Inc. | Optical amplifier |
JPH03242627A (ja) * | 1990-02-20 | 1991-10-29 | Nippon Telegr & Teleph Corp <Ntt> | 多段光増幅装置 |
JP2808561B2 (ja) * | 1990-02-26 | 1998-10-08 | キヤノン株式会社 | 光検出器及び光検出方法 |
JP2787820B2 (ja) * | 1990-07-20 | 1998-08-20 | キヤノン株式会社 | 波長多重光通信システム及びそこで用いられる光増幅装置 |
JPH04124935A (ja) * | 1990-09-17 | 1992-04-24 | Canon Inc | 光通信ネットワーク及びそこで用いられる光ノード |
JPH05122159A (ja) * | 1991-05-13 | 1993-05-18 | Internatl Business Mach Corp <Ibm> | 伝送信号の信号対雑音比の改良方法及び光学的相互接続システム |
CA2068975C (en) * | 1991-05-20 | 2002-03-26 | Kazunori Nakamura | Optical amplification system |
DE4215338A1 (de) * | 1992-05-09 | 1993-11-11 | Sel Alcatel Ag | Optisches Nachrichtenübertragungssystem mit Überwachungsvorrichtung zur Vermeidung von Riesenimpulsen |
US5253104A (en) * | 1992-09-15 | 1993-10-12 | At&T Bell Laboratories | Balanced optical amplifier |
US5898801A (en) | 1998-01-29 | 1999-04-27 | Lockheed Martin Corporation | Optical transport system |
US20020101874A1 (en) * | 2000-11-21 | 2002-08-01 | Whittaker G. Allan | Physical layer transparent transport information encapsulation methods and systems |
US7085497B2 (en) * | 2002-04-03 | 2006-08-01 | Lockheed Martin Corporation | Vehicular communication system |
US6912339B2 (en) * | 2002-09-27 | 2005-06-28 | Lockheed Martin Corporation | Optical interface devices having balanced amplification |
US20040076434A1 (en) * | 2002-09-27 | 2004-04-22 | Whittaker G. Allan | Optical distribution network for RF and other analog signals |
US7283480B1 (en) | 2002-11-12 | 2007-10-16 | Lockheed Martin Corporation | Network system health monitoring using cantor set signals |
US7349629B1 (en) | 2002-11-26 | 2008-03-25 | Lockheed Martin Corporation | Methods and systems for creating a digital interconnect fabric |
US7570887B2 (en) * | 2003-03-31 | 2009-08-04 | Lockheed Martin Corporation | Optical network interface systems and devices |
US7424228B1 (en) | 2003-03-31 | 2008-09-09 | Lockheed Martin Corporation | High dynamic range radio frequency to optical link |
US7440699B1 (en) | 2004-06-28 | 2008-10-21 | Lockheed Martin Corporation | Systems, devices and methods for transmitting and receiving signals on an optical network |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB1053033A (it) * | 1964-04-03 | |||
US3434776A (en) * | 1965-07-29 | 1969-03-25 | Dow Corp | Laser communication system using flexible silicone transmission line |
US3571737A (en) * | 1968-06-07 | 1971-03-23 | Bell Telephone Labor Inc | Transmission line |
US3631252A (en) * | 1970-03-24 | 1971-12-28 | Us Air Force | Image control apparatus utilizing the convolution of phosphors |
US3633124A (en) * | 1970-06-10 | 1972-01-04 | Bell Telephone Labor Inc | Laser with feedback circuit for controlling relaxation oscillation |
US3737231A (en) * | 1970-11-13 | 1973-06-05 | G Low | High pulse rate high resolution optical radar system |
-
1972
- 1972-10-03 DE DE2248372A patent/DE2248372C2/de not_active Expired
-
1973
- 1973-08-15 GB GB3851973A patent/GB1446589A/en not_active Expired
- 1973-09-07 AU AU60104/73A patent/AU477060B2/en not_active Expired
- 1973-09-12 CH CH1302973A patent/CH557604A/xx not_active IP Right Cessation
- 1973-09-21 US US399635A patent/US3887876A/en not_active Expired - Lifetime
- 1973-09-28 IT IT29508/73A patent/IT1045702B/it active
- 1973-10-01 NL NLAANVRAGE7313493,A patent/NL183617C/xx not_active IP Right Cessation
- 1973-10-01 LU LU68544A patent/LU68544A1/xx unknown
- 1973-10-02 SE SE7313394A patent/SE397444B/xx unknown
- 1973-10-02 JP JP11027373A patent/JPS5754953B2/ja not_active Expired
- 1973-10-02 CA CA182,398A patent/CA996240A/en not_active Expired
- 1973-10-03 BE BE136310A patent/BE805626R/xx not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
LU68544A1 (it) | 1973-12-10 |
CA996240A (en) | 1976-08-31 |
NL183617B (nl) | 1988-07-01 |
NL183617C (nl) | 1988-12-01 |
CH557604A (de) | 1974-12-31 |
DE2248372C2 (de) | 1984-09-20 |
US3887876A (en) | 1975-06-03 |
GB1446589A (en) | 1976-08-18 |
BE805626R (fr) | 1974-02-01 |
JPS4973987A (it) | 1974-07-17 |
AU6010473A (en) | 1975-03-13 |
SE397444B (sv) | 1977-10-31 |
NL7313493A (it) | 1974-04-05 |
AU477060B2 (en) | 1976-10-14 |
JPS5754953B2 (it) | 1982-11-20 |
DE2248372A1 (de) | 1974-04-11 |
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