FI982273A - Optisen WDM-signaalin vahvistus - Google Patents

Optisen WDM-signaalin vahvistus Download PDF

Info

Publication number
FI982273A
FI982273A FI982273A FI982273A FI982273A FI 982273 A FI982273 A FI 982273A FI 982273 A FI982273 A FI 982273A FI 982273 A FI982273 A FI 982273A FI 982273 A FI982273 A FI 982273A
Authority
FI
Finland
Prior art keywords
optical signal
signal gain
wdm optical
wdm
gain
Prior art date
Application number
FI982273A
Other languages
English (en)
Swedish (sv)
Other versions
FI982273A0 (fi
FI105856B (fi
Inventor
Ari Tervonen
Original Assignee
Nokia Networks Oy
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 Nokia Networks Oy filed Critical Nokia Networks Oy
Priority to FI982273A priority Critical patent/FI105856B/fi
Publication of FI982273A0 publication Critical patent/FI982273A0/fi
Priority to PCT/FI1999/000862 priority patent/WO2000027057A1/fi
Priority to AU64781/99A priority patent/AU6478199A/en
Publication of FI982273A publication Critical patent/FI982273A/fi
Application granted granted Critical
Publication of FI105856B publication Critical patent/FI105856B/fi
Priority to US09/822,957 priority patent/US6359730B2/en

Links

Classifications

    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04JMULTIPLEX COMMUNICATION
    • H04J14/00Optical multiplex systems
    • H04J14/02Wavelength-division multiplex systems
    • H04J14/0221Power control, e.g. to keep the total optical power constant
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04BTRANSMISSION
    • H04B10/00Transmission systems employing electromagnetic waves other than radio-waves, e.g. infrared, visible or ultraviolet light, or employing corpuscular radiation, e.g. quantum communication
    • H04B10/29Repeaters
    • H04B10/291Repeaters in which processing or amplification is carried out without conversion of the main signal from optical form
FI982273A 1998-10-21 1998-10-21 Optisen WDM-signaalin vahvistus FI105856B (fi)

Priority Applications (4)

Application Number Priority Date Filing Date Title
FI982273A FI105856B (fi) 1998-10-21 1998-10-21 Optisen WDM-signaalin vahvistus
PCT/FI1999/000862 WO2000027057A1 (fi) 1998-10-21 1999-10-19 Amplification of an optical wdm-signal
AU64781/99A AU6478199A (en) 1998-10-21 1999-10-19 Amplification of an optical wdm signal
US09/822,957 US6359730B2 (en) 1998-10-21 2001-03-30 Amplification of an optical WDM signal

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FI982273 1998-10-21
FI982273A FI105856B (fi) 1998-10-21 1998-10-21 Optisen WDM-signaalin vahvistus

Publications (3)

Publication Number Publication Date
FI982273A0 FI982273A0 (fi) 1998-10-21
FI982273A true FI982273A (fi) 2000-04-22
FI105856B FI105856B (fi) 2000-10-13

Family

ID=8552747

Family Applications (1)

Application Number Title Priority Date Filing Date
FI982273A FI105856B (fi) 1998-10-21 1998-10-21 Optisen WDM-signaalin vahvistus

Country Status (4)

Country Link
US (1) US6359730B2 (fi)
AU (1) AU6478199A (fi)
FI (1) FI105856B (fi)
WO (1) WO2000027057A1 (fi)

Families Citing this family (59)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3387483B2 (ja) * 2000-08-31 2003-03-17 日本電気株式会社 光直接増幅器及びその制御方法
US6697192B1 (en) * 2000-11-08 2004-02-24 Massachusetts Institute Of Technology High power, spectrally combined laser systems and related methods
US7019893B2 (en) * 2001-02-12 2006-03-28 Metrophotonics Inc. Optical dynamic gain amplifier
US6980576B2 (en) * 2003-02-07 2005-12-27 Inplane Photonics, Inc. Pump distribution network for multi-amplifier modules
US7046432B2 (en) 2003-02-11 2006-05-16 Coherent, Inc. Optical fiber coupling arrangement
JP4612050B2 (ja) 2004-11-03 2011-01-12 ノキア コーポレイション 第1および第2の無線アクセスネットワークと共に動作可能な移動端末のシステム間ハンドオーバー
GB0718706D0 (en) 2007-09-25 2007-11-07 Creative Physics Ltd Method and apparatus for reducing laser speckle
US11726332B2 (en) 2009-04-27 2023-08-15 Digilens Inc. Diffractive projection apparatus
US9335604B2 (en) 2013-12-11 2016-05-10 Milan Momcilo Popovich Holographic waveguide display
US11320571B2 (en) 2012-11-16 2022-05-03 Rockwell Collins, Inc. Transparent waveguide display providing upper and lower fields of view with uniform light extraction
US11300795B1 (en) 2009-09-30 2022-04-12 Digilens Inc. Systems for and methods of using fold gratings coordinated with output couplers for dual axis expansion
US8233204B1 (en) 2009-09-30 2012-07-31 Rockwell Collins, Inc. Optical displays
US10795160B1 (en) 2014-09-25 2020-10-06 Rockwell Collins, Inc. Systems for and methods of using fold gratings for dual axis expansion
US8659826B1 (en) 2010-02-04 2014-02-25 Rockwell Collins, Inc. Worn display system and method without requiring real time tracking for boresight precision
US9274349B2 (en) 2011-04-07 2016-03-01 Digilens Inc. Laser despeckler based on angular diversity
EP2748670B1 (en) 2011-08-24 2015-11-18 Rockwell Collins, Inc. Wearable data display
US10670876B2 (en) 2011-08-24 2020-06-02 Digilens Inc. Waveguide laser illuminator incorporating a despeckler
WO2016020630A2 (en) 2014-08-08 2016-02-11 Milan Momcilo Popovich Waveguide laser illuminator incorporating a despeckler
US9366864B1 (en) 2011-09-30 2016-06-14 Rockwell Collins, Inc. System for and method of displaying information without need for a combiner alignment detector
US8634139B1 (en) 2011-09-30 2014-01-21 Rockwell Collins, Inc. System for and method of catadioptric collimation in a compact head up display (HUD)
US9507150B1 (en) 2011-09-30 2016-11-29 Rockwell Collins, Inc. Head up display (HUD) using a bent waveguide assembly
US9715067B1 (en) 2011-09-30 2017-07-25 Rockwell Collins, Inc. Ultra-compact HUD utilizing waveguide pupil expander with surface relief gratings in high refractive index materials
US20150010265A1 (en) 2012-01-06 2015-01-08 Milan, Momcilo POPOVICH Contact image sensor using switchable bragg gratings
US9523852B1 (en) 2012-03-28 2016-12-20 Rockwell Collins, Inc. Micro collimator system and method for a head up display (HUD)
CN103562802B (zh) 2012-04-25 2016-08-17 罗克韦尔柯林斯公司 全息广角显示器
US9933684B2 (en) 2012-11-16 2018-04-03 Rockwell Collins, Inc. Transparent waveguide display providing upper and lower fields of view having a specific light output aperture configuration
US9674413B1 (en) 2013-04-17 2017-06-06 Rockwell Collins, Inc. Vision system and method having improved performance and solar mitigation
WO2015015138A1 (en) 2013-07-31 2015-02-05 Milan Momcilo Popovich Method and apparatus for contact image sensing
US9244281B1 (en) 2013-09-26 2016-01-26 Rockwell Collins, Inc. Display system and method using a detached combiner
US10732407B1 (en) 2014-01-10 2020-08-04 Rockwell Collins, Inc. Near eye head up display system and method with fixed combiner
US9519089B1 (en) 2014-01-30 2016-12-13 Rockwell Collins, Inc. High performance volume phase gratings
US9244280B1 (en) 2014-03-25 2016-01-26 Rockwell Collins, Inc. Near eye display system and method for display enhancement or redundancy
WO2016020632A1 (en) 2014-08-08 2016-02-11 Milan Momcilo Popovich Method for holographic mastering and replication
US10241330B2 (en) 2014-09-19 2019-03-26 Digilens, Inc. Method and apparatus for generating input images for holographic waveguide displays
US10088675B1 (en) 2015-05-18 2018-10-02 Rockwell Collins, Inc. Turning light pipe for a pupil expansion system and method
US9715110B1 (en) 2014-09-25 2017-07-25 Rockwell Collins, Inc. Automotive head up display (HUD)
EP3245444B1 (en) 2015-01-12 2021-09-08 DigiLens Inc. Environmentally isolated waveguide display
US9632226B2 (en) 2015-02-12 2017-04-25 Digilens Inc. Waveguide grating device
US11366316B2 (en) 2015-05-18 2022-06-21 Rockwell Collins, Inc. Head up display (HUD) using a light pipe
US10126552B2 (en) 2015-05-18 2018-11-13 Rockwell Collins, Inc. Micro collimator system and method for a head up display (HUD)
US10247943B1 (en) 2015-05-18 2019-04-02 Rockwell Collins, Inc. Head up display (HUD) using a light pipe
US10108010B2 (en) 2015-06-29 2018-10-23 Rockwell Collins, Inc. System for and method of integrating head up displays and head down displays
EP3359999A1 (en) 2015-10-05 2018-08-15 Popovich, Milan Momcilo Waveguide display
US10598932B1 (en) 2016-01-06 2020-03-24 Rockwell Collins, Inc. Head up display for integrating views of conformally mapped symbols and a fixed image source
EP3433659A1 (en) 2016-03-24 2019-01-30 DigiLens, Inc. Method and apparatus for providing a polarization selective holographic waveguide device
EP3433658B1 (en) 2016-04-11 2023-08-09 DigiLens, Inc. Holographic waveguide apparatus for structured light projection
EP3548939A4 (en) 2016-12-02 2020-11-25 DigiLens Inc. UNIFORM OUTPUT LIGHTING WAVEGUIDE DEVICE
US10545346B2 (en) 2017-01-05 2020-01-28 Digilens Inc. Wearable heads up displays
US10295824B2 (en) 2017-01-26 2019-05-21 Rockwell Collins, Inc. Head up display with an angled light pipe
US10715251B2 (en) * 2017-09-01 2020-07-14 University Of Central Florida Research Foundation, Inc. Free-space optical communications using few-mode pre-amplified receivers
US10942430B2 (en) 2017-10-16 2021-03-09 Digilens Inc. Systems and methods for multiplying the image resolution of a pixelated display
WO2019136476A1 (en) 2018-01-08 2019-07-11 Digilens, Inc. Waveguide architectures and related methods of manufacturing
CN115356905A (zh) 2018-01-08 2022-11-18 迪吉伦斯公司 波导单元格中全息光栅高吞吐量记录的系统和方法
US11402801B2 (en) 2018-07-25 2022-08-02 Digilens Inc. Systems and methods for fabricating a multilayer optical structure
KR20210138609A (ko) 2019-02-15 2021-11-19 디지렌즈 인코포레이티드. 일체형 격자를 이용하여 홀로그래픽 도파관 디스플레이를 제공하기 위한 방법 및 장치
KR20210134763A (ko) 2019-03-12 2021-11-10 디지렌즈 인코포레이티드. 홀로그래픽 도파관 백라이트 및 관련된 제조 방법
CN114207492A (zh) 2019-06-07 2022-03-18 迪吉伦斯公司 带透射光栅和反射光栅的波导及其生产方法
KR20220038452A (ko) 2019-07-29 2022-03-28 디지렌즈 인코포레이티드. 픽셀화된 디스플레이의 이미지 해상도와 시야를 증배하는 방법 및 장치
KR20220054386A (ko) 2019-08-29 2022-05-02 디지렌즈 인코포레이티드. 진공 브래그 격자 및 이의 제조 방법

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB9305977D0 (en) 1993-03-23 1993-05-12 Northern Telecom Ltd Transmission system incorporating optical amplifiers
JP3516972B2 (ja) * 1993-04-22 2004-04-05 株式会社東芝 通信システム
US5392154A (en) * 1994-03-30 1995-02-21 Bell Communications Research, Inc. Self-regulating multiwavelength optical amplifier module for scalable lightwave communications systems
US5563733A (en) 1994-08-25 1996-10-08 Matsushita Electric Industrial Co., Ltd. Optical fiber amplifier and optical fiber transmission system
US5488500A (en) * 1994-08-31 1996-01-30 At&T Corp. Tunable add drop optical filtering method and apparatus
DE19536231A1 (de) 1995-09-28 1997-04-10 Siemens Ag Faserverstärker für mehrere Signale mit unterschiedlichen Wellenlängen unter Einsatz eines Wellenlängendemultiplexers und eines Wellenlängenmultiplexers
FI103619B (fi) * 1997-05-26 1999-07-30 Nokia Telecommunications Oy Optinen multipleksointi ja demultipleksointi

Also Published As

Publication number Publication date
AU6478199A (en) 2000-05-22
FI982273A0 (fi) 1998-10-21
US6359730B2 (en) 2002-03-19
US20010048547A1 (en) 2001-12-06
FI105856B (fi) 2000-10-13
WO2000027057A1 (fi) 2000-05-11

Similar Documents

Publication Publication Date Title
FI982273A (fi) Optisen WDM-signaalin vahvistus
DE69941102D1 (de) Optischer Verstärker
DE69835466D1 (de) Optischer Verstärker
DE69940762D1 (de) Optischer Wellenlängen-Demultiplexer
DE69808421D1 (de) Optisches Dämpfungsglied
DE59907371D1 (de) Faserlaser-sensor
DE59901655D1 (de) Laserverstärkersystem
DE59914644D1 (de) Optischer Sensor
DE59911604D1 (de) Optischer sensor
DK0987769T3 (da) Fotodiodemodul
DE60002082D1 (de) Optischer multipassverstärker
DE69913619D1 (de) Unidirektionaler optischer Verstärker
DE59909301D1 (de) Optischer sensor
FI974225A (fi) Optinen vastaanotin
DE59903605D1 (de) Laserverstärkersystem
DE69939508D1 (de) Optischer Sensor
DE69938710D1 (de) Optischer verstärker
DE29719399U1 (de) Signalleuchte
DE69901419D1 (de) Optischer Verstärkungsentzerrer
DE69907575D1 (de) Optischer Wellenleiter
DE69906918D1 (de) Optischer Wellenlängendemultiplexer
DE69924544D1 (de) Faserlaser
FI974224A (fi) Optinen vastaanotin
DE59900752D1 (de) Optischer neigungsmesser
DE69935049D1 (de) Optischer Datenträger

Legal Events

Date Code Title Description
MA Patent expired