DE602007003376D1 - Übersprechungsreduzierung in optischen freiraumkommunikationen - Google Patents
Übersprechungsreduzierung in optischen freiraumkommunikationenInfo
- 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
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
- H04B10/11—Arrangements specific to free-space transmission, i.e. transmission through air or vacuum
-
- 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
- H04B10/11—Arrangements specific to free-space transmission, i.e. transmission through air or vacuum
- H04B10/118—Arrangements specific to free-space transmission, i.e. transmission through air or vacuum specially adapted for satellite communication
-
- 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
- H04B10/11—Arrangements specific to free-space transmission, i.e. transmission through air or vacuum
- H04B10/112—Line-of-sight transmission over an extended range
- H04B10/1121—One-way transmission
-
- 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
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B14/00—Transmission systems not characterised by the medium used for transmission
- H04B14/02—Transmission 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)
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)
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)
Publication number | Priority date | Publication date | Assignee | Title |
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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 |
-
2006
- 2006-07-12 US US11/485,091 patent/US7266257B1/en not_active Expired - Fee Related
-
2007
- 2007-07-10 DE DE602007003376T patent/DE602007003376D1/de active Active
- 2007-07-10 KR KR1020097000545A patent/KR101018606B1/ko not_active IP Right Cessation
- 2007-07-10 CN CN2007800264756A patent/CN101490984B/zh not_active Expired - Fee Related
- 2007-07-10 EP EP07873728A patent/EP2044708B1/de not_active Not-in-force
- 2007-07-10 JP JP2009519485A patent/JP4672798B2/ja not_active Expired - Fee Related
- 2007-07-10 WO PCT/US2007/015705 patent/WO2008105800A2/en active Application Filing
- 2007-07-10 AT AT07873728T patent/ATE449474T1/de not_active IP Right Cessation
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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Legal Events
Date | Code | Title | Description |
---|---|---|---|
8364 | No opposition during term of opposition |