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GB2267405B - Signal state of polarization controlling optical transmission system - Google Patents

Signal state of polarization controlling optical transmission system

Info

Publication number
GB2267405B
GB2267405B GB9310665A GB9310665A GB2267405B GB 2267405 B GB2267405 B GB 2267405B GB 9310665 A GB9310665 A GB 9310665A GB 9310665 A GB9310665 A GB 9310665A GB 2267405 B GB2267405 B GB 2267405B
Authority
GB
United Kingdom
Prior art keywords
transmission system
optical transmission
signal state
controlling optical
polarization controlling
Prior art date
Legal status (The legal status 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 status listed.)
Expired - Fee Related
Application number
GB9310665A
Other versions
GB9310665D0 (en
GB2267405A (en
Inventor
Noboru Edagawa
Hidenori Taga
Shu Yamamoto
Shigeyuki Akiba
Hiroharu Wakabayashi
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
KDDI Corp
Original Assignee
Kokusai Denshin Denwa KK
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 Kokusai Denshin Denwa KK filed Critical Kokusai Denshin Denwa KK
Publication of GB9310665D0 publication Critical patent/GB9310665D0/en
Publication of GB2267405A publication Critical patent/GB2267405A/en
Application granted granted Critical
Publication of GB2267405B publication Critical patent/GB2267405B/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

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
    • H04B10/25—Arrangements specific to fibre transmission
    • 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
    • H04B10/2933—Signal power control considering the whole optical path

Landscapes

  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Optical Communication System (AREA)
GB9310665A 1992-05-25 1993-05-24 Signal state of polarization controlling optical transmission system Expired - Fee Related GB2267405B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP4131280A JPH05327626A (en) 1992-05-25 1992-05-25 Optical communication system device for polarized light state control

Publications (3)

Publication Number Publication Date
GB9310665D0 GB9310665D0 (en) 1993-07-07
GB2267405A GB2267405A (en) 1993-12-01
GB2267405B true GB2267405B (en) 1995-08-23

Family

ID=15054255

Family Applications (1)

Application Number Title Priority Date Filing Date
GB9310665A Expired - Fee Related GB2267405B (en) 1992-05-25 1993-05-24 Signal state of polarization controlling optical transmission system

Country Status (2)

Country Link
JP (1) JPH05327626A (en)
GB (1) GB2267405B (en)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5491576A (en) * 1993-12-23 1996-02-13 At&T Corp. Dual-wavelength data transmitter for reducing fading in an optical transmission system
JP3263553B2 (en) * 1994-02-23 2002-03-04 キヤノン株式会社 Optical transmitter
US5526162A (en) * 1994-09-27 1996-06-11 At&T Corp. Synchronous polarization and phase modulation for improved performance of optical transmission systems
GB0129716D0 (en) * 2001-12-12 2002-01-30 Marconi Comm Ltd Signal transmission apparatus and method of signal transmission
JP4282559B2 (en) * 2004-07-14 2009-06-24 日本電信電話株式会社 Optical transmission method and optical transmission system
US12038346B2 (en) * 2021-06-07 2024-07-16 Viavi Solutions Inc. Techniques for providing a swept wavelength (SW) measurement for acquiring polarization dependent loss (PDL) in a single scan

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4968110A (en) * 1990-01-31 1990-11-06 The United States Of America As Represented By The Secretary Of The Navy Apparatus and method for optimizing the modulation efficiency of a remotely-located, polarization-sensitive, integrated optic modulator which is addressed with a non-polarization-preserving fiber

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2668399B2 (en) * 1988-07-14 1997-10-27 富士通株式会社 Light output control device
JP2540951B2 (en) * 1989-08-09 1996-10-09 日本電気株式会社 Collective polarization control method

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4968110A (en) * 1990-01-31 1990-11-06 The United States Of America As Represented By The Secretary Of The Navy Apparatus and method for optimizing the modulation efficiency of a remotely-located, polarization-sensitive, integrated optic modulator which is addressed with a non-polarization-preserving fiber

Also Published As

Publication number Publication date
GB9310665D0 (en) 1993-07-07
GB2267405A (en) 1993-12-01
JPH05327626A (en) 1993-12-10

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Legal Events

Date Code Title Description
732E Amendments to the register in respect of changes of name or changes affecting rights (sect. 32/1977)
PCNP Patent ceased through non-payment of renewal fee

Effective date: 20040524