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Homodyne optical receiver equipment 원문보기

IPC분류정보
국가/구분 United States(US) Patent 등록
국제특허분류(IPC7판)
  • H04B-010/06
출원번호 US-0771444 (1991-10-04)
우선권정보 JP-0266208 (1990-10-05)
발명자 / 주소
  • Tsushima Hideaki (Wako JPX) Takeyari Ryoji (Kokubunji JPX) Sasaki Shinya (Kodaira JPX) Kitajima Shigeki (Kokubunji JPX) Kuboki Katsuhiko (Kokubunji JPX)
출원인 / 주소
  • Hitachi, Ltd. (Tokyo JPX 03)
인용정보 피인용 횟수 : 38  인용 특허 : 0

초록

A homodyne optical receiver includes a polarization beam splitter for dividing an optical signal into an optical signal with horizontal polarization and an optical signal with vertical polarization. Optical couplers combine two optical signals of the two polarized components with two optical local s

대표청구항

A homodyne optical receiver comprising: a first polarization beam splitter which divides an optical signal into an optical signal with horizontal polarization and an optical signal with vertical polarization; an optical local oscillator which outputs an optical local signal; a second polarization be

이 특허를 인용한 특허 (38)

  1. Froggatt, Mark E., Apparatus and method for the complete characterization of optical devices including loss, birefringence and dispersion effects.
  2. Froggatt,Mark E., Apparatus and method for the complete characterization of optical devices including loss, birefringence and dispersion effects.
  3. Barton, Jonathon; Johansson, Leif; Mashanovitch, Milan, Chip-based advanced modulation format transmitter.
  4. Barton, Jonathon; Johansson, Leif; Mashanovitch, Milan, Chip-based advanced modulation format transmitter.
  5. Barton, Jonathon; Johansson, Leif; Mashanovitch, Milan, Chip-based advanced modulation format transmitter.
  6. Barton, Jonathon; Johansson, Leif; Mashanovitch, Milan, Chip-based advanced modulation format transmitter.
  7. Hayes, Robert R.; Ng, Willie W., Coherent RF-photonic link linearized via a negative feedback phase-tracking loop.
  8. Hayes, Robert R.; Ng, Willie W., Coherent RF-photonic link linearized via a negative feedback phase-tracking loop.
  9. Taylor, Michael George, Coherent optical channel substitution.
  10. Taylor,Michael George, Coherent optical detection and signal processing method and system.
  11. Shpantzer, Isaac; Salamon, Aviv; Kaplan, Arkady; Cho, Pak Shing; Khurgin, Jacob; Achiam, Yaakov; Greenblatt, Arthur; Harston, Geofrey, Coherent optical detector and coherent communication system and method.
  12. Core, Mark T., Cross polarization interface canceler.
  13. Park, Yongwoo; Peccianti, Marco; Azana, José, Cross-chirped interferometry system and method for light detection and ranging.
  14. Serbe, Christoph Peter, Device for the homodyne reception of optically phase-keyed signals.
  15. Kinoshita, Susumu; Takeguchi, Koji; Odate, Satoru; Tian, Cechan, Flexible open ring optical network and method.
  16. Kinoshita,Susumu; Takeguchi,Koji; Odate,Satoru; Tian,Cechan, Flexible open ring optical network and method.
  17. John N. Hait ; Robert L. Carter ; Ronald E. Preston, Hyper-heterodyning, expanded bandpass apparatus and method.
  18. Mashanovitch, Milan L.; Johansson, Leif, Integrated interferometric optical transmitter.
  19. Mashanovitch, Milan; Johansson, Leif, Integrated interferometric optical transmitter.
  20. Schmitt, Joseph M.; Grinberg, Victor, Intensity noise reduction methods and apparatus for interferometric sensing and imaging systems.
  21. Schmitt, Joseph M.; Grinberg, Victor, Intensity noise reduction methods and apparatus for interferometric sensing and imaging systems.
  22. Ando, Motohiro; Sasabe, Akio, Load drive device.
  23. Ando, Motohiro; Sasabe, Akio, Load drive device.
  24. Wan,Ping Wai, Method and apparatus for encoding optical power and non-payload data in an optical signal.
  25. Mells, Bradley N., Method and apparatus of utilizing RF/microwave and optical mixing techniques to select a given band of an optical transmission.
  26. Kinoshita,Susumu; Takeguchi,Koji; Odate,Satoru; Tian,Cechan, Method and system for control signaling in an open ring optical network.
  27. Kinoshita,Susumu; Takeguchi,Koji; Odate,Satoru; Tian,Cechan, Method and system for testing during operation of an open ring optical network.
  28. Takechi, Masaru, Method of measuring frequency response of optical coherent receiver.
  29. Barton, Jonathon; Mashanovitch, Milan, Monolithic widely-tunable coherent receiver.
  30. Barton, Jonathon; Mashanovitch, Milan, Monolithic widely-tunable coherent receiver.
  31. Barton, Jonathon; Mashanovitch, Milan, Monolithic widely-tunable coherent receiver.
  32. Kinoshita, Susumu; Takeguchi, Koji, Optical add/drop node and method.
  33. Khurgin, Jacob; Shpantzer, Isaac; Kaplan, Arkady; Cho, Pak Shing, Optical receiver and a free-space optical communications using the same.
  34. Agarwal,Anjali; Benz,Andreas; Chandrasekhar,Sethumadhavan; Winzer,Peter J., Optical receiver apparatus and method.
  35. Cho, Pak Shing; Shpantzer, Isaac; Khurgin, Jacob, Optical receiver using beam combining and system using the same.
  36. Arkady S. Bablumyan ; Dmitry Berger ; John N. Hait ; Bruce E. Smith, Servo-stabilized-phase, differential coherence detector.
  37. Gumaste,Ashwin Anil; Bihon,Daniel, System and method for modularly scalable architecture for optical networks.
  38. Kaneda, Noriaki; Leven, Andreas B., System and method for receiving coherent, polarization-multiplexed optical signals.
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