IT1311753B1 - Amplificatore a fibra ottica e dispositivo di amplificazione otticaper trasmissione ottica bidirezionale utilizzante l'amplificatore a - Google Patents

Amplificatore a fibra ottica e dispositivo di amplificazione otticaper trasmissione ottica bidirezionale utilizzante l'amplificatore a

Info

Publication number
IT1311753B1
IT1311753B1 IT1999MI000546A ITMI990546A IT1311753B1 IT 1311753 B1 IT1311753 B1 IT 1311753B1 IT 1999MI000546 A IT1999MI000546 A IT 1999MI000546A IT MI990546 A ITMI990546 A IT MI990546A IT 1311753 B1 IT1311753 B1 IT 1311753B1
Authority
IT
Italy
Prior art keywords
optical
amplifier
amplification device
bidirectional
transmission
Prior art date
Application number
IT1999MI000546A
Other languages
English (en)
Inventor
Jun Yokoyama
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 ITMI990546A1 publication Critical patent/ITMI990546A1/it
Application granted granted Critical
Publication of IT1311753B1 publication Critical patent/IT1311753B1/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
    • H04B10/297—Bidirectional amplification
    • H04B10/2972—Each direction being amplified separately
    • 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
    • H01S3/00—Lasers, i.e. devices using stimulated emission of electromagnetic radiation in the infrared, visible or ultraviolet wave range
    • H01S3/10—Controlling the intensity, frequency, phase, polarisation or direction of the emitted radiation, e.g. switching, gating, modulating or demodulating
    • H01S3/10007—Controlling the intensity, frequency, phase, polarisation or direction of the emitted radiation, e.g. switching, gating, modulating or demodulating in optical amplifiers
    • H01S3/10023—Controlling the intensity, frequency, phase, polarisation or direction of the emitted radiation, e.g. switching, gating, modulating or demodulating in optical amplifiers by functional association of additional optical elements, e.g. filters, gratings, reflectors
    • 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
    • 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
    • H01S3/00—Lasers, i.e. devices using stimulated emission of electromagnetic radiation in the infrared, visible or ultraviolet wave range
    • H01S3/005—Optical devices external to the laser cavity, specially adapted for lasers, e.g. for homogenisation of the beam or for manipulating laser pulses, e.g. pulse shaping
    • H01S3/0078—Frequency filtering
    • 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
    • H01S3/00—Lasers, i.e. devices using stimulated emission of electromagnetic radiation in the infrared, visible or ultraviolet wave range
    • H01S3/05—Construction or shape of optical resonators; Accommodation of active medium therein; Shape of active medium
    • H01S3/06—Construction or shape of active medium
    • H01S3/063—Waveguide lasers, i.e. whereby the dimensions of the waveguide are of the order of the light wavelength
    • H01S3/067—Fibre lasers
    • H01S3/06754—Fibre amplifiers
    • H01S3/06787—Bidirectional amplifier
    • 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
    • H01S3/00—Lasers, i.e. devices using stimulated emission of electromagnetic radiation in the infrared, visible or ultraviolet wave range
    • H01S3/09—Processes or apparatus for excitation, e.g. pumping
    • H01S3/091—Processes or apparatus for excitation, e.g. pumping using optical pumping
    • H01S3/094—Processes or apparatus for excitation, e.g. pumping using optical pumping by coherent light
    • H01S3/0941—Processes or apparatus for excitation, e.g. pumping using optical pumping by coherent light of a laser diode
    • H01S3/09415—Processes or apparatus for excitation, e.g. pumping using optical pumping by coherent light of a laser diode the pumping beam being parallel to the lasing mode of the pumped medium, e.g. end-pumping
    • 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
    • H01S3/00—Lasers, i.e. devices using stimulated emission of electromagnetic radiation in the infrared, visible or ultraviolet wave range
    • H01S3/23—Arrangements of two or more lasers not provided for in groups H01S3/02 - H01S3/22, e.g. tandem arrangements of separate active media
    • H01S3/2308—Amplifier arrangements, e.g. MOPA
    • H01S3/2325—Multi-pass amplifiers, e.g. regenerative amplifiers
    • H01S3/2333—Double-pass amplifiers

Landscapes

  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Plasma & Fusion (AREA)
  • Optics & Photonics (AREA)
  • Lasers (AREA)
  • Optical Communication System (AREA)
  • Light Guides In General And Applications Therefor (AREA)
IT1999MI000546A 1998-03-19 1999-03-18 Amplificatore a fibra ottica e dispositivo di amplificazione otticaper trasmissione ottica bidirezionale utilizzante l'amplificatore a IT1311753B1 (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP10070628A JPH11274625A (ja) 1998-03-19 1998-03-19 光ファイバ増幅器とこれを用いた双方向光伝送用光増幅装置

Publications (2)

Publication Number Publication Date
ITMI990546A1 ITMI990546A1 (it) 2000-09-18
IT1311753B1 true IT1311753B1 (it) 2002-03-19

Family

ID=13437096

Family Applications (1)

Application Number Title Priority Date Filing Date
IT1999MI000546A IT1311753B1 (it) 1998-03-19 1999-03-18 Amplificatore a fibra ottica e dispositivo di amplificazione otticaper trasmissione ottica bidirezionale utilizzante l'amplificatore a

Country Status (4)

Country Link
JP (1) JPH11274625A (it)
CA (1) CA2264421A1 (it)
FR (1) FR2776442A1 (it)
IT (1) IT1311753B1 (it)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100600626B1 (ko) * 1999-12-14 2006-07-13 주식회사 케이티 개선된 양방향 광 증폭기 구조
CA2351775A1 (en) * 2000-06-30 2001-12-30 Furukawa Electric Co., Ltd. Optical amplifier, light source module and optical system
JP4089504B2 (ja) 2003-05-14 2008-05-28 日本電気株式会社 一芯双方向光伝送システム及び一芯双方向光増幅器並びにその方法
CN102576973A (zh) * 2009-01-19 2012-07-11 奥兰若技术有限公司 具有用于1060nm的保护滤光器的高功率多芯片泵浦模块以及包括其的泵浦模块
CN102195716A (zh) * 2011-05-17 2011-09-21 中国工程物理研究院激光聚变研究中心 偏振保持型单模光纤放大器
JP6044311B2 (ja) 2012-12-07 2016-12-14 富士通株式会社 増幅装置および通信システム
CN103368048A (zh) * 2013-07-23 2013-10-23 上海交通大学 高增益高信噪比保偏光纤放大系统
CN107302172B (zh) * 2016-04-14 2023-09-26 中国石油天然气集团公司 一种无源光放大器
JP7090695B2 (ja) * 2017-09-06 2022-06-24 アイティーエフ テクノロジーズ インク レーザ光システム
CN109038189B (zh) * 2018-07-27 2019-12-31 武汉光迅科技股份有限公司 一种用于edfa中的双980泵浦激光器对泵结构

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB9411061D0 (en) * 1994-06-02 1994-07-20 Northern Telecom Ltd Optical waveguide amplifiers
FR2737787B1 (fr) * 1995-08-07 1997-10-31 France Telecom Amplificateur optique bidirectionnel pour systemes optiques a multiplexage en longueur d'onde

Also Published As

Publication number Publication date
ITMI990546A1 (it) 2000-09-18
JPH11274625A (ja) 1999-10-08
FR2776442A1 (fr) 1999-09-24
CA2264421A1 (en) 1999-09-19

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