NL9201130A - Optische menginrichting met een fotodetector voor een heterodyne ontvanger. - Google Patents
Optische menginrichting met een fotodetector voor een heterodyne ontvanger. Download PDFInfo
- Publication number
- NL9201130A NL9201130A NL9201130A NL9201130A NL9201130A NL 9201130 A NL9201130 A NL 9201130A NL 9201130 A NL9201130 A NL 9201130A NL 9201130 A NL9201130 A NL 9201130A NL 9201130 A NL9201130 A NL 9201130A
- Authority
- NL
- Netherlands
- Prior art keywords
- optical
- signal
- mixing
- detecting element
- photo
- Prior art date
Links
- 230000003287 optical effect Effects 0.000 title claims abstract description 47
- 239000013307 optical fiber Substances 0.000 claims abstract description 8
- 239000000835 fiber Substances 0.000 claims description 16
- 230000001427 coherent effect Effects 0.000 claims description 11
- 230000001629 suppression Effects 0.000 abstract description 4
- 238000010276 construction Methods 0.000 abstract 1
- 230000010287 polarization Effects 0.000 description 8
- 238000000034 method Methods 0.000 description 7
- 238000001514 detection method Methods 0.000 description 6
- 239000003365 glass fiber Substances 0.000 description 3
- 230000001902 propagating effect Effects 0.000 description 3
- 230000008033 biological extinction Effects 0.000 description 1
- 239000004020 conductor Substances 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
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
- H04B10/60—Receivers
-
- 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
- H04B10/61—Coherent receivers
- H04B10/64—Heterodyne, i.e. coherent receivers where, after the opto-electronic conversion, an electrical signal at an intermediate frequency [IF] is obtained
Landscapes
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Optical Communication System (AREA)
- Input Circuits Of Receivers And Coupling Of Receivers And Audio Equipment (AREA)
- Optical Radar Systems And Details Thereof (AREA)
Priority Applications (7)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| NL9201130A NL9201130A (nl) | 1992-06-25 | 1992-06-25 | Optische menginrichting met een fotodetector voor een heterodyne ontvanger. |
| EP93201592A EP0576060B1 (de) | 1992-06-25 | 1993-06-03 | Optische Mischeranordnung mit Photodetektor für einen Heterodynempfänger sowie kohärenteroptischer Empfänger |
| ES93201592T ES2113995T3 (es) | 1992-06-25 | 1993-06-03 | Dispositivo mezclador optico teniendo un fotodetector para un receptor heterodino y receptor optico coherente. |
| DE69317472T DE69317472T2 (de) | 1992-06-25 | 1993-06-03 | Optische Mischeranordnung mit Photodetektor für einen Heterodynempfänger sowie kohärenteroptischer Empfänger |
| AT93201592T ATE164276T1 (de) | 1992-06-25 | 1993-06-03 | Optische mischeranordnung mit photodetektor für einen heterodynempfänger sowie kohärenteroptischer empfänger |
| US08/074,059 US5457563A (en) | 1992-06-25 | 1993-06-09 | Optical mixing device having one photodetector for a heterodyne receiver |
| JP5184306A JP2591706B2 (ja) | 1992-06-25 | 1993-06-18 | 1つの光検出器を有するヘテロダイン受信機用光混合装置 |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| NL9201130 | 1992-06-25 | ||
| NL9201130A NL9201130A (nl) | 1992-06-25 | 1992-06-25 | Optische menginrichting met een fotodetector voor een heterodyne ontvanger. |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| NL9201130A true NL9201130A (nl) | 1994-01-17 |
Family
ID=19860974
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL9201130A NL9201130A (nl) | 1992-06-25 | 1992-06-25 | Optische menginrichting met een fotodetector voor een heterodyne ontvanger. |
Country Status (7)
| Country | Link |
|---|---|
| US (1) | US5457563A (de) |
| EP (1) | EP0576060B1 (de) |
| JP (1) | JP2591706B2 (de) |
| AT (1) | ATE164276T1 (de) |
| DE (1) | DE69317472T2 (de) |
| ES (1) | ES2113995T3 (de) |
| NL (1) | NL9201130A (de) |
Families Citing this family (23)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2297656A (en) * | 1995-02-01 | 1996-08-07 | Northern Telecom Ltd | Optical filtering |
| JP3482088B2 (ja) * | 1996-12-05 | 2003-12-22 | 松下電器産業株式会社 | 周波数変調装置 |
| TW432825B (en) | 1999-08-30 | 2001-05-01 | Nat Science Council | Optical communication system |
| US6256103B1 (en) * | 2000-02-17 | 2001-07-03 | Agilent Technologies, Inc. | System and method for optical heterodyne detection of an optical signal |
| US6856400B1 (en) | 2000-12-14 | 2005-02-15 | Luna Technologies | Apparatus and method for the complete characterization of optical devices including loss, birefringence and dispersion effects |
| US7532822B2 (en) * | 2005-02-28 | 2009-05-12 | Nortel Networks Limited | Clock recovery from an optical signal with polarization impairments |
| US7606498B1 (en) | 2005-10-21 | 2009-10-20 | Nortel Networks Limited | Carrier recovery in a coherent optical receiver |
| US7522841B2 (en) * | 2005-10-21 | 2009-04-21 | Nortel Networks Limited | Efficient data transmission and training of data processing functions |
| US7555227B2 (en) * | 2005-10-21 | 2009-06-30 | Nortel Networks Limited | Polarization compensation in a coherent optical receiver |
| JP5666617B2 (ja) * | 2010-03-17 | 2015-02-12 | ライトラボ・イメージング・インコーポレーテッド | 干渉センシングおよび画像取得システムのための強度雑音を低減する方法および装置 |
| EP3757522B1 (de) * | 2019-06-28 | 2021-07-21 | Alcatel Submarine Networks | Verfahren und vorrichtung zur unterdrückung von rauschen aufgrund von lokaler oszillatorinstabilität in einem kohärenten optischen faseroptischen sensor |
| US12353988B2 (en) | 2020-07-09 | 2025-07-08 | Celestial Ai Inc. | Neuromorphic photonics with coherent linear neurons |
| US11817903B2 (en) * | 2020-08-06 | 2023-11-14 | Celestial Ai Inc. | Coherent photonic computing architectures |
| EP4264369A1 (de) * | 2020-12-17 | 2023-10-25 | Celestial AI Inc. | Ausgeglichene photonische architekturen für matrixberechnungen |
| US20220405562A1 (en) | 2021-06-18 | 2022-12-22 | Celestial Ai Inc. | Electro-photonic network for machine learning |
| US12564047B2 (en) | 2022-10-28 | 2026-02-24 | Celestial Ai Inc. | Thermal control of an optical component |
| KR20240155370A (ko) | 2022-03-18 | 2024-10-28 | 셀레스티얼 에이아이 인코포레이티드 | 광 멀티 다이 상호 연결 브리지(omib) |
| US12442997B2 (en) | 2022-03-18 | 2025-10-14 | Celestial AI, Inc. | Optically bridged multicomponent package with extended temperature range |
| WO2023177417A1 (en) | 2022-03-18 | 2023-09-21 | Celestial Ai Inc. | Photonic fabric with optical interface for connection to memory |
| US12191257B2 (en) | 2022-07-26 | 2025-01-07 | Celestial Ai Inc. | Electrical bridge package with integrated off-bridge photonic channel interface |
| US12283584B2 (en) | 2022-07-26 | 2025-04-22 | Celestial Ai Inc. | Electrical bridge package with integrated off-bridge photonic channel interface |
| US12568809B2 (en) | 2022-07-26 | 2026-03-03 | Celestial Ai Inc. | Via formed using a partial plug that stops before a substrate |
| US12217056B2 (en) | 2023-01-27 | 2025-02-04 | Celestial Ai Inc. | Load/store unit for a tensor engine and methods for loading or storing a tensor |
Family Cites Families (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2517081A1 (fr) * | 1981-11-26 | 1983-05-27 | Monerie Michel | Procede de detection coherente et de demodulation d'une onde porteuse modulee a etat de polarisation variable et dispositif de mise en oeuvre |
| GB2121636B (en) * | 1982-05-20 | 1986-03-05 | Standard Telephones Cables Ltd | Coherent optical receiver |
| GB2172164B (en) * | 1985-03-07 | 1989-02-22 | Stc Plc | Balanced coherent receiver |
| US4723314A (en) * | 1985-05-10 | 1988-02-02 | Calspan Corporation | Heterodyne laser detection |
| US4697284A (en) * | 1986-05-08 | 1987-09-29 | American Telephone And Telegraph Company, At&T Bell Laboratories | Single-photodiode optical heterodyne mixers |
| US4723316A (en) * | 1986-05-08 | 1988-02-02 | American Telephone & Telegraph Company, At&T Bell Laboratories | Polarization independent coherent optical heterodyne receivers |
| GB8616050D0 (en) * | 1986-07-01 | 1986-08-06 | British Telecomm | Optical local transmission system |
| GB2193610A (en) * | 1986-08-05 | 1988-02-10 | Stc Plc | Coherent mixing of optical signals |
| GB2204825A (en) * | 1987-05-05 | 1988-11-23 | Procter & Gamble | Process for forming flakes |
| JPH01185037A (ja) * | 1988-01-20 | 1989-07-24 | Hitachi Ltd | 光送信器,光受信器及び光伝送装置並びに光受信器の制御方法 |
| US4916705A (en) * | 1989-05-04 | 1990-04-10 | At&T Bell Laboratories | Random-access digitally-tuned coherent optical receiver |
-
1992
- 1992-06-25 NL NL9201130A patent/NL9201130A/nl not_active Application Discontinuation
-
1993
- 1993-06-03 EP EP93201592A patent/EP0576060B1/de not_active Expired - Lifetime
- 1993-06-03 DE DE69317472T patent/DE69317472T2/de not_active Expired - Fee Related
- 1993-06-03 AT AT93201592T patent/ATE164276T1/de active
- 1993-06-03 ES ES93201592T patent/ES2113995T3/es not_active Expired - Lifetime
- 1993-06-09 US US08/074,059 patent/US5457563A/en not_active Expired - Fee Related
- 1993-06-18 JP JP5184306A patent/JP2591706B2/ja not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| ATE164276T1 (de) | 1998-04-15 |
| ES2113995T3 (es) | 1998-05-16 |
| DE69317472D1 (de) | 1998-04-23 |
| EP0576060A1 (de) | 1993-12-29 |
| EP0576060B1 (de) | 1998-03-18 |
| US5457563A (en) | 1995-10-10 |
| JPH06112899A (ja) | 1994-04-22 |
| DE69317472T2 (de) | 1998-08-20 |
| JP2591706B2 (ja) | 1997-03-19 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| NL9201130A (nl) | Optische menginrichting met een fotodetector voor een heterodyne ontvanger. | |
| US5231529A (en) | Light amplifier for multi-wavelength signals | |
| JP3884857B2 (ja) | 偏光合成装置および偏光分離装置 | |
| EP1278087A2 (de) | Mehrfachempfänger für verschiedene Polarisationen mit planaren Wellenleitern und plolarisierendem Strahlteiler | |
| US20010028766A1 (en) | Interferometer based optical devices such as amplifiers | |
| EP0345889B1 (de) | Vorrichtung für optischen Heterodynempfang und integrierter optischer Bauteil zur Anwendung in einer derartigen Vorrichtung | |
| EP0779719B1 (de) | Empfängersysteme mit Polarisationsdiversität | |
| US5325226A (en) | Optical coherent receiver | |
| JPH01178940A (ja) | 偏波ダイバーシチ光受信装置 | |
| KR970068276A (ko) | 전송광 검출단을 갖는 광역류 차단 장치 및 전송광 검출 방법 | |
| NL9001331A (nl) | Inrichting voor optische heterodyne detektie en optische komponent geschikt voor toepassing in een dergelijke inrichting. | |
| JPH0272335A (ja) | デュアルバランス型受光装置 | |
| JPH05181035A (ja) | 光分波・分岐デバイス | |
| JP2953202B2 (ja) | 光結合器 | |
| JP2576408B2 (ja) | 光分波器 | |
| JP2744295B2 (ja) | 偏波結合器 | |
| JP2537473Y2 (ja) | 光合波回路 | |
| JPH0496435A (ja) | 単心双方向光通信用デバイス | |
| JPH0510878A (ja) | ガス検出装置 | |
| JPH0990140A (ja) | 2入力ファイバおよび2入力ファイバ型受光装置 | |
| JPH02933A (ja) | 光増幅器 | |
| JPH0974247A (ja) | 半導体光増幅器モジュール | |
| JP2798149B2 (ja) | 光回路 | |
| JPH0645679A (ja) | 光ファイバ増幅器 | |
| JPH01177520A (ja) | 偏波ダイバーシチ光受信装置 |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| A1B | A search report has been drawn up | ||
| BV | The patent application has lapsed |