CA2497624A1 - Optical attenuator element, and variable optical equalizer and optical amplifier that use this optical attenuator element - Google Patents

Optical attenuator element, and variable optical equalizer and optical amplifier that use this optical attenuator element Download PDF

Info

Publication number
CA2497624A1
CA2497624A1 CA002497624A CA2497624A CA2497624A1 CA 2497624 A1 CA2497624 A1 CA 2497624A1 CA 002497624 A CA002497624 A CA 002497624A CA 2497624 A CA2497624 A CA 2497624A CA 2497624 A1 CA2497624 A1 CA 2497624A1
Authority
CA
Canada
Prior art keywords
optical
variable
elements
gain
equalizer
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.)
Abandoned
Application number
CA002497624A
Other languages
English (en)
French (fr)
Inventor
Satoshi Yoshida
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.)
Japan Aviation Electronics Industry Ltd
Original Assignee
Japan Aviation Electronics Industry Ltd
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 Japan Aviation Electronics Industry Ltd filed Critical Japan Aviation Electronics Industry Ltd
Publication of CA2497624A1 publication Critical patent/CA2497624A1/en
Abandoned legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
    • G02B6/24—Coupling light guides
    • G02B6/26—Optical coupling means
    • G02B6/28—Optical coupling means having data bus means, i.e. plural waveguides interconnected and providing an inherently bidirectional system by mixing and splitting signals
    • G02B6/293—Optical coupling means having data bus means, i.e. plural waveguides interconnected and providing an inherently bidirectional system by mixing and splitting signals with wavelength selective means
    • G02B6/29379—Optical coupling means having data bus means, i.e. plural waveguides interconnected and providing an inherently bidirectional system by mixing and splitting signals with wavelength selective means characterised by the function or use of the complete device
    • G02B6/29395—Optical coupling means having data bus means, i.e. plural waveguides interconnected and providing an inherently bidirectional system by mixing and splitting signals with wavelength selective means characterised by the function or use of the complete device configurable, e.g. tunable or reconfigurable
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
    • G02B6/24—Coupling light guides
    • G02B6/26—Optical coupling means
    • G02B6/264—Optical coupling means with optical elements between opposed fibre ends which perform a function other than beam splitting
    • G02B6/266—Optical coupling means with optical elements between opposed fibre ends which perform a function other than beam splitting the optical element being an attenuator
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
    • G02B6/24—Coupling light guides
    • G02B6/26—Optical coupling means
    • G02B6/28—Optical coupling means having data bus means, i.e. plural waveguides interconnected and providing an inherently bidirectional system by mixing and splitting signals
    • G02B6/293—Optical coupling means having data bus means, i.e. plural waveguides interconnected and providing an inherently bidirectional system by mixing and splitting signals with wavelength selective means
    • G02B6/29346—Optical coupling means having data bus means, i.e. plural waveguides interconnected and providing an inherently bidirectional system by mixing and splitting signals with wavelength selective means operating by wave or beam interference
    • G02B6/29358—Multiple beam interferometer external to a light guide, e.g. Fabry-Pérot, etalon, VIPA plate, OTDL plate, continuous interferometer, parallel plate resonator
    • 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
    • H04B10/294—Signal power control in a multiwavelength system, e.g. gain equalisation
    • H04B10/2941—Signal power control in a multiwavelength system, e.g. gain equalisation using an equalising unit, e.g. a filter

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Electromagnetism (AREA)
  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Mechanical Light Control Or Optical Switches (AREA)
  • Micromachines (AREA)
CA002497624A 2004-03-19 2005-02-21 Optical attenuator element, and variable optical equalizer and optical amplifier that use this optical attenuator element Abandoned CA2497624A1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2004080128A JP4409320B2 (ja) 2004-03-19 2004-03-19 可変光利得等化器および光利得等化装置
JP2004-080128 2004-03-19

Publications (1)

Publication Number Publication Date
CA2497624A1 true CA2497624A1 (en) 2005-09-19

Family

ID=34985952

Family Applications (1)

Application Number Title Priority Date Filing Date
CA002497624A Abandoned CA2497624A1 (en) 2004-03-19 2005-02-21 Optical attenuator element, and variable optical equalizer and optical amplifier that use this optical attenuator element

Country Status (4)

Country Link
US (1) US7289262B2 (https=)
JP (1) JP4409320B2 (https=)
CN (1) CN100370316C (https=)
CA (1) CA2497624A1 (https=)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7576848B2 (en) * 2004-12-21 2009-08-18 Lockheed Martin Corporation System and method to decrease probe size for improved laser ultrasound detection
JP2007101349A (ja) * 2005-10-04 2007-04-19 Nikon Corp 多層膜反射鏡、その再生方法および露光装置
US8564783B2 (en) * 2008-05-15 2013-10-22 Axsun Technologies, Inc. Optical coherence tomography laser with integrated clock
CN101662326B (zh) * 2008-08-28 2012-05-23 华为技术有限公司 一种光信号电均衡处理方法、装置和光纤通信系统
JP7387149B2 (ja) * 2019-10-29 2023-11-28 湖北工業株式会社 傾斜利得等化器
CN113258900B (zh) * 2021-06-23 2021-10-15 深圳汉天下微电子有限公司 一种体声波谐振器组件、制备方法以及通信器件

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3745560B2 (ja) 1998-11-05 2006-02-15 日本電信電話株式会社 波長等化装置制御方法
CA2271159A1 (en) * 1999-04-30 2000-10-30 Jds Fitel Inc. Optical hybrid device
US6590710B2 (en) * 2000-02-18 2003-07-08 Yokogawa Electric Corporation Fabry-Perot filter, wavelength-selective infrared detector and infrared gas analyzer using the filter and detector
KR100401109B1 (ko) 2001-12-06 2003-10-10 삼성전기주식회사 가변 광감쇄기
JP2003255284A (ja) * 2002-03-05 2003-09-10 Fdk Corp 可変光利得等化装置
JP2004077708A (ja) * 2002-08-15 2004-03-11 Yokogawa Electric Corp 光減衰器

Also Published As

Publication number Publication date
JP4409320B2 (ja) 2010-02-03
CN100370316C (zh) 2008-02-20
US20050206999A1 (en) 2005-09-22
CN1670568A (zh) 2005-09-21
JP2005266442A (ja) 2005-09-29
US7289262B2 (en) 2007-10-30

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Legal Events

Date Code Title Description
EEER Examination request
FZDE Discontinued