IT1299209B1 - Amplificatore a fibra ottica per fornire segnali di trasmissione con un rapporto segnale-rumore migliorato - Google Patents

Amplificatore a fibra ottica per fornire segnali di trasmissione con un rapporto segnale-rumore migliorato

Info

Publication number
IT1299209B1
IT1299209B1 IT98MI001013A ITMI981013A IT1299209B1 IT 1299209 B1 IT1299209 B1 IT 1299209B1 IT 98MI001013 A IT98MI001013 A IT 98MI001013A IT MI981013 A ITMI981013 A IT MI981013A IT 1299209 B1 IT1299209 B1 IT 1299209B1
Authority
IT
Italy
Prior art keywords
optical fiber
noise ratio
transmission signals
fiber amplifier
improved signal
Prior art date
Application number
IT98MI001013A
Other languages
English (en)
Inventor
Atsushi Toyohara
Original Assignee
Nec Corp
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 Nec Corp filed Critical Nec Corp
Publication of ITMI981013A1 publication Critical patent/ITMI981013A1/it
Application granted granted Critical
Publication of IT1299209B1 publication Critical patent/IT1299209B1/it

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
    • H04B10/29—Repeaters
    • H04B10/291—Repeaters in which processing or amplification is carried out without conversion of the main signal from optical form

Landscapes

  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Lasers (AREA)
  • Optical Integrated Circuits (AREA)
  • Optical Filters (AREA)
  • Optical Communication System (AREA)
IT98MI001013A 1997-05-09 1998-05-08 Amplificatore a fibra ottica per fornire segnali di trasmissione con un rapporto segnale-rumore migliorato IT1299209B1 (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP9136137A JP2933059B2 (ja) 1997-05-09 1997-05-09 光ファイバアンプ

Publications (2)

Publication Number Publication Date
ITMI981013A1 ITMI981013A1 (it) 1999-11-08
IT1299209B1 true IT1299209B1 (it) 2000-02-29

Family

ID=15168183

Family Applications (1)

Application Number Title Priority Date Filing Date
IT98MI001013A IT1299209B1 (it) 1997-05-09 1998-05-08 Amplificatore a fibra ottica per fornire segnali di trasmissione con un rapporto segnale-rumore migliorato

Country Status (3)

Country Link
JP (1) JP2933059B2 (it)
FR (1) FR2763189A1 (it)
IT (1) IT1299209B1 (it)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP5126479B2 (ja) * 2007-04-16 2013-01-23 日本電気株式会社 量子鍵配布システム及び受信装置

Also Published As

Publication number Publication date
JP2933059B2 (ja) 1999-08-09
FR2763189A1 (fr) 1998-11-13
JPH10313142A (ja) 1998-11-24
ITMI981013A1 (it) 1999-11-08

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Legal Events

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0001 Granted