DE602007003376D1 - Übersprechungsreduzierung in optischen freiraumkommunikationen - Google Patents

Übersprechungsreduzierung in optischen freiraumkommunikationen

Info

Publication number
DE602007003376D1
DE602007003376D1 DE602007003376T DE602007003376T DE602007003376D1 DE 602007003376 D1 DE602007003376 D1 DE 602007003376D1 DE 602007003376 T DE602007003376 T DE 602007003376T DE 602007003376 T DE602007003376 T DE 602007003376T DE 602007003376 D1 DE602007003376 D1 DE 602007003376D1
Authority
DE
Germany
Prior art keywords
optical
modulator
optical frequency
frequency communications
transfer reduction
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.)
Active
Application number
DE602007003376T
Other languages
English (en)
Inventor
Aref Chowdhury
Gregory Raybon
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.)
Nokia of America Corp
Original Assignee
Lucent Technologies Inc
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 Lucent Technologies Inc filed Critical Lucent Technologies Inc
Publication of DE602007003376D1 publication Critical patent/DE602007003376D1/de
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • 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
    • H04B10/11Arrangements specific to free-space transmission, i.e. transmission through air or vacuum
    • 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
    • H04B10/11Arrangements specific to free-space transmission, i.e. transmission through air or vacuum
    • H04B10/118Arrangements specific to free-space transmission, i.e. transmission through air or vacuum specially adapted for satellite communication
    • 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
    • H04B10/11Arrangements specific to free-space transmission, i.e. transmission through air or vacuum
    • H04B10/112Line-of-sight transmission over an extended range
    • H04B10/1121One-way transmission
    • 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
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04BTRANSMISSION
    • H04B14/00Transmission systems not characterised by the medium used for transmission
    • H04B14/02Transmission systems not characterised by the medium used for transmission characterised by the use of pulse modulation

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Electromagnetism (AREA)
  • Astronomy & Astrophysics (AREA)
  • General Physics & Mathematics (AREA)
  • Optical Communication System (AREA)
  • Communication Cables (AREA)
DE602007003376T 2006-07-12 2007-07-10 Übersprechungsreduzierung in optischen freiraumkommunikationen Active DE602007003376D1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US11/485,091 US7266257B1 (en) 2006-07-12 2006-07-12 Reducing crosstalk in free-space optical communications
PCT/US2007/015705 WO2008105800A2 (en) 2006-07-12 2007-07-10 Reducing crosstalk in free-space optical communications

Publications (1)

Publication Number Publication Date
DE602007003376D1 true DE602007003376D1 (de) 2009-12-31

Family

ID=38456975

Family Applications (1)

Application Number Title Priority Date Filing Date
DE602007003376T Active DE602007003376D1 (de) 2006-07-12 2007-07-10 Übersprechungsreduzierung in optischen freiraumkommunikationen

Country Status (8)

Country Link
US (1) US7266257B1 (de)
EP (1) EP2044708B1 (de)
JP (1) JP4672798B2 (de)
KR (1) KR101018606B1 (de)
CN (1) CN101490984B (de)
AT (1) ATE449474T1 (de)
DE (1) DE602007003376D1 (de)
WO (1) WO2008105800A2 (de)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7561625B1 (en) 2006-02-06 2009-07-14 Advanced Micro Devices, Inc. Method and apparatus for crosstalk reduction
US7603038B1 (en) * 2006-09-05 2009-10-13 Los Alamos National Security, Llc System and method that suppresses intensity fluctuations for free space high-speed optical communication
US8634974B2 (en) 2012-01-09 2014-01-21 Google Inc. Using predicted movement to maintain optical-communication lock with nearby balloon
KR20170008975A (ko) * 2015-07-15 2017-01-25 한국과학기술원 펨토초 레이저의 광빗을 이용한 대기 중의 위상 노이즈의 자동 보상을 통한 자유공간 가간섭 광통신 장치 및 방법
US20180053666A1 (en) * 2016-08-19 2018-02-22 Applied Materials, Inc. Substrate carrier with array of independently controllable heater elements
US10958350B2 (en) * 2017-08-11 2021-03-23 Optipulse Inc. Laser grid structures for wireless high speed data transfers
US10374705B2 (en) 2017-09-06 2019-08-06 Optipulse Inc. Method and apparatus for alignment of a line-of-sight communications link
US10925114B1 (en) 2019-11-11 2021-02-16 Loon Llc Remote monitoring of geographically distributed assets using mobile platforms

Family Cites Families (49)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0239131A (ja) 1988-07-29 1990-02-08 Hitachi Ltd 周波数間隔安定化方法、光ヘテロダイン又は光ホモダイン通信方法
DE69026766T2 (de) 1989-05-18 1996-11-28 Sony Corp Verfahren zur Kontrolle der ferroelektrischen Domänen eines nichtlinearen optischen Substrates
US5141459A (en) 1990-07-18 1992-08-25 International Business Machines Corporation Structures and processes for fabricating field emission cathodes
EP0539365B1 (de) 1990-07-18 1997-04-23 International Business Machines Corporation Struktur und verfahren für feldemissionskathodenherstellung
US5334908A (en) 1990-07-18 1994-08-02 International Business Machines Corporation Structures and processes for fabricating field emission cathode tips using secondary cusp
US5218771A (en) 1992-04-15 1993-06-15 Redford Peter M Orientation sensing apparatus
JP3244529B2 (ja) 1992-04-16 2002-01-07 アジレント・テクノロジーズ・インク 面発光型第2高調波生成素子
US5345456A (en) 1993-03-11 1994-09-06 National Research Council Of Canada Spatially addressable surface emission sum frequency device
US5355247A (en) 1993-03-30 1994-10-11 The Board Of Trustees Of The Leland Stanford, Jr. University Method using a monolithic crystalline material for producing radiation by quasi-phase-matching, diffusion bonded monolithic crystalline material for quasi-phase-matching, and method for fabricating same
US5363021A (en) 1993-07-12 1994-11-08 Cornell Research Foundation, Inc. Massively parallel array cathode
JP3269713B2 (ja) * 1993-09-03 2002-04-02 株式会社日立製作所 光伝送システム
US5814156A (en) 1993-09-08 1998-09-29 Uvtech Systems Inc. Photoreactive surface cleaning
SE9400824D0 (sv) 1994-03-10 1994-03-10 Siemens Elema Ab Anordning för optisk överföring
US5450429A (en) 1994-06-02 1995-09-12 Spectra-Physics Laserplane, Inc. Efficient linear frequency doubled solid-state laser
US5440574A (en) 1994-06-02 1995-08-08 Spectra-Physics Laserplane, Inc. Solid-state laser
US5479431A (en) 1994-06-02 1995-12-26 Spectra-Physics Laserplane, Inc. Solid-state laser with active etalon and method therefor
US5420876A (en) 1994-06-02 1995-05-30 Spectra-Physics Laserplane, Inc. Gadolinium vanadate laser
JP2005269667A (ja) * 1994-08-02 2005-09-29 Fujitsu Ltd 光伝送システム、光多重伝送システム及びその周辺技術
JPH0851248A (ja) 1994-08-09 1996-02-20 Hitachi Ltd 内部共振型面発光shgレーザ
US5800767A (en) 1994-09-16 1998-09-01 The Board Of Trustees Of The Leland Stanford Junior University Electric field domain patterning
DE19601991A1 (de) 1995-01-31 1996-08-01 Zeiss Carl Fa Laser-Anordung und Verfahren zum Betrieb einer derartigen Laser-Anordnung
US5628659A (en) 1995-04-24 1997-05-13 Microelectronics And Computer Corporation Method of making a field emission electron source with random micro-tip structures
US5915164A (en) 1995-12-28 1999-06-22 U.S. Philips Corporation Methods of making high voltage GaN-A1N based semiconductor devices
JP2917898B2 (ja) 1996-03-29 1999-07-12 日本電気株式会社 電界放出冷陰極素子およびその使用方法
JP3522044B2 (ja) * 1996-04-19 2004-04-26 富士通株式会社 光伝送システム
US6584245B1 (en) 1996-05-06 2003-06-24 Teracomm Research, Inc High speed data link including a superconductive plate assembly for use in a data transmission scheme and method
JPH10242909A (ja) * 1997-02-27 1998-09-11 Fujitsu Ltd 光伝送システム
SE514821C2 (sv) * 1997-11-24 2001-04-30 Ericsson Telefon Ab L M Förfarande och anordning för överhörningsreducering i en dubbelrikad optisk länk
US6218771B1 (en) 1998-06-26 2001-04-17 University Of Houston Group III nitride field emitters
US6555293B1 (en) 1998-12-14 2003-04-29 The Board Of Trustees Of The Leland Stanford Junior University Method for fabricating efficient sources of electromagnetic radiation
US6351482B1 (en) 1998-12-15 2002-02-26 Tera Comm Research, Inc Variable reflectivity mirror for increasing available output power of a laser
US6172325B1 (en) 1999-02-10 2001-01-09 Electro Scientific Industries, Inc. Laser processing power output stabilization apparatus and method employing processing position feedback
US7161148B1 (en) 1999-05-31 2007-01-09 Crystals And Technologies, Ltd. Tip structures, devices on their basis, and methods for their preparation
US6631246B2 (en) 1999-06-14 2003-10-07 Lucent Technologies Inc. Wavelength division multiplexed optical communication system having tunable multi-channel dispersion compensating filters
KR100324797B1 (ko) * 2000-03-27 2002-02-20 이재승 파장분할다중화 무선 광통신 시스템
AU2001272903A1 (en) * 2000-04-14 2001-10-30 The Regents Of The University Of California Method and apparatus for arbitrary waveform generation using photonics
US20020181059A1 (en) 2000-11-07 2002-12-05 Christopher Paul F. Broadband communication for satellite-ground or air-ground links
US6741763B1 (en) * 2001-01-17 2004-05-25 The Texas A & M University Optical data transmission apparatus and method
US6424444B1 (en) 2001-01-29 2002-07-23 Stratalight Communications, Inc. Transmission and reception of duobinary multilevel pulse-amplitude-modulated optical signals using finite-state machine-based encoder
JP2002270516A (ja) 2001-03-07 2002-09-20 Nec Corp Iii族窒化物半導体の成長方法、iii族窒化物半導体膜およびそれを用いた半導体素子
US6448100B1 (en) 2001-06-12 2002-09-10 Hewlett-Packard Compnay Method for fabricating self-aligned field emitter tips
US6807321B2 (en) 2002-03-11 2004-10-19 Lucent Technologies Inc. Apparatus and method for measurement and adaptive control of polarization mode dispersion in optical fiber transmission systems
US6856450B2 (en) 2002-04-15 2005-02-15 Lucent Technologies Inc. Method and apparatus for generating a sequence of optical wavelength bands
US6748142B2 (en) 2002-04-24 2004-06-08 Lucent Technologies Inc. Integrated optical dual dispersion compensator for compensating both chromatic and polarization mode dispersion
WO2004025733A1 (en) 2002-09-16 2004-03-25 Hrl Laboratories, Llc Non-planar nitride-based semiconductor structure and metehod for fabricating the same
US7099073B2 (en) 2002-09-27 2006-08-29 Lucent Technologies Inc. Optical frequency-converters based on group III-nitrides
US7359639B2 (en) 2004-05-04 2008-04-15 L-3 Communications Corporation Airborne free space optical communication apparatus and method with subcarrier multiplexing
US7447439B2 (en) * 2004-05-07 2008-11-04 Enablence Inc. Optical duplexer and optical triplexer
JP2006094465A (ja) * 2004-08-24 2006-04-06 Hamamatsu Photonics Kk 光無線通信装置

Also Published As

Publication number Publication date
EP2044708B1 (de) 2009-11-18
JP4672798B2 (ja) 2011-04-20
KR20090029260A (ko) 2009-03-20
JP2009543520A (ja) 2009-12-03
WO2008105800A2 (en) 2008-09-04
US7266257B1 (en) 2007-09-04
ATE449474T1 (de) 2009-12-15
KR101018606B1 (ko) 2011-03-04
EP2044708A2 (de) 2009-04-08
CN101490984B (zh) 2012-10-10
WO2008105800A3 (en) 2008-11-06
CN101490984A (zh) 2009-07-22

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