EP3138098A4 - Verfahren und vorrichtung für kohärente holographische datenkanäle - Google Patents

Verfahren und vorrichtung für kohärente holographische datenkanäle Download PDF

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Publication number
EP3138098A4
EP3138098A4 EP15786499.2A EP15786499A EP3138098A4 EP 3138098 A4 EP3138098 A4 EP 3138098A4 EP 15786499 A EP15786499 A EP 15786499A EP 3138098 A4 EP3138098 A4 EP 3138098A4
Authority
EP
European Patent Office
Prior art keywords
methods
data channels
holographic data
coherent holographic
coherent
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.)
Withdrawn
Application number
EP15786499.2A
Other languages
English (en)
French (fr)
Other versions
EP3138098A1 (de
Inventor
Mark R. Ayres
Kenneth E. Anderson
David C. Pruett
Will A. Loechel
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.)
Akonia Holographics LLC
Original Assignee
Akonia Holographics LLC
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
Priority claimed from US14/484,060 external-priority patent/US20150070739A1/en
Application filed by Akonia Holographics LLC filed Critical Akonia Holographics LLC
Publication of EP3138098A1 publication Critical patent/EP3138098A1/de
Publication of EP3138098A4 publication Critical patent/EP3138098A4/de
Withdrawn legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B7/00—Recording or reproducing by optical means, e.g. recording using a thermal beam of optical radiation by modifying optical properties or the physical structure, reproducing using an optical beam at lower power by sensing optical properties; Record carriers therefor
    • G11B7/004—Recording, reproducing or erasing methods; Read, write or erase circuits therefor
    • G11B7/0065—Recording, reproducing or erasing by using optical interference patterns, e.g. holograms
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B20/00—Signal processing not specific to the method of recording or reproducing; Circuits therefor
    • G11B20/10—Digital recording or reproducing
    • G11B20/10009—Improvement or modification of read or write signals
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B20/00—Signal processing not specific to the method of recording or reproducing; Circuits therefor
    • G11B20/10—Digital recording or reproducing
    • G11B20/10009—Improvement or modification of read or write signals
    • G11B20/10268—Improvement or modification of read or write signals bit detection or demodulation methods
    • G11B20/10277—Improvement or modification of read or write signals bit detection or demodulation methods the demodulation process being specifically adapted to partial response channels, e.g. PRML decoding
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B7/00—Recording or reproducing by optical means, e.g. recording using a thermal beam of optical radiation by modifying optical properties or the physical structure, reproducing using an optical beam at lower power by sensing optical properties; Record carriers therefor
    • G11B7/12—Heads, e.g. forming of the optical beam spot or modulation of the optical beam
    • G11B7/125—Optical beam sources therefor, e.g. laser control circuitry specially adapted for optical storage devices; Modulators, e.g. means for controlling the size or intensity of optical spots or optical traces
    • G11B7/128—Modulators

Landscapes

  • Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Holo Graphy (AREA)
  • Optical Recording Or Reproduction (AREA)
EP15786499.2A 2014-04-29 2015-04-29 Verfahren und vorrichtung für kohärente holographische datenkanäle Withdrawn EP3138098A4 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US201461986083P 2014-04-29 2014-04-29
US14/484,060 US20150070739A1 (en) 2005-02-28 2014-09-11 Methods and devices for coherent optical data detection and coherent data channel modulation
PCT/US2015/028356 WO2015168325A1 (en) 2014-04-29 2015-04-29 Methods and apparatus for coherent holographic data channels

Publications (2)

Publication Number Publication Date
EP3138098A1 EP3138098A1 (de) 2017-03-08
EP3138098A4 true EP3138098A4 (de) 2017-12-13

Family

ID=54359309

Family Applications (1)

Application Number Title Priority Date Filing Date
EP15786499.2A Withdrawn EP3138098A4 (de) 2014-04-29 2015-04-29 Verfahren und vorrichtung für kohärente holographische datenkanäle

Country Status (4)

Country Link
EP (1) EP3138098A4 (de)
JP (1) JP2017519323A (de)
KR (1) KR20160147987A (de)
WO (1) WO2015168325A1 (de)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR102150110B1 (ko) * 2018-12-12 2020-08-31 주식회사 내일해 측정 대상 물체의 3차원 형상 정보 생성 방법
CN111883185B (zh) * 2020-06-02 2021-06-25 华中科技大学 一种投影式超分辨光学数据的写入/读出方法及装置
CN116961767A (zh) * 2023-08-21 2023-10-27 重庆邮电大学 一种基于光学傅里叶变换的可重构模式匹配系统

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6445453B1 (en) * 1999-08-02 2002-09-03 Zetetic Institute Scanning interferometric near-field confocal microscopy
US20080067321A1 (en) * 2006-09-11 2008-03-20 Harukazu Miyamoto Optical information detecting method, optical head, and optical disc apparatus
US7848595B2 (en) * 2004-06-28 2010-12-07 Inphase Technologies, Inc. Processing data pixels in a holographic data storage system
US20130215730A1 (en) * 2010-10-19 2013-08-22 National University Corporation Hokkaido University Holographic memory reproduction device and holographic memory reproduction method, demodulation device and demodulation method, and observation device and observation method
US20130343171A1 (en) * 2012-06-20 2013-12-26 Hitachi Consumer Electronics Co., Ltd. Optical information recording/reproducing apparatus and method
US20140023816A1 (en) * 2011-03-25 2014-01-23 Fujifilm Corporation Optical information recording medium
US20140036651A1 (en) * 2012-08-06 2014-02-06 Sony Corporation Reproducing device and reproducing method

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3527328B2 (ja) * 1995-08-31 2004-05-17 浜松ホトニクス株式会社 二重像解消装置
US7623279B1 (en) * 2005-11-22 2009-11-24 Inphase Technologies, Inc. Method for holographic data retrieval by quadrature homodyne detection
EP2256726A1 (de) * 2009-05-27 2010-12-01 Thomson Licensing Holographisches Speichersystem mit reduziertem Rauschen
JP5358530B2 (ja) * 2010-07-28 2013-12-04 日立コンシューマエレクトロニクス株式会社 光情報記録再生装置及び再生装置

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6445453B1 (en) * 1999-08-02 2002-09-03 Zetetic Institute Scanning interferometric near-field confocal microscopy
US7848595B2 (en) * 2004-06-28 2010-12-07 Inphase Technologies, Inc. Processing data pixels in a holographic data storage system
US20080067321A1 (en) * 2006-09-11 2008-03-20 Harukazu Miyamoto Optical information detecting method, optical head, and optical disc apparatus
US20130215730A1 (en) * 2010-10-19 2013-08-22 National University Corporation Hokkaido University Holographic memory reproduction device and holographic memory reproduction method, demodulation device and demodulation method, and observation device and observation method
US20140023816A1 (en) * 2011-03-25 2014-01-23 Fujifilm Corporation Optical information recording medium
US20130343171A1 (en) * 2012-06-20 2013-12-26 Hitachi Consumer Electronics Co., Ltd. Optical information recording/reproducing apparatus and method
US20140036651A1 (en) * 2012-08-06 2014-02-06 Sony Corporation Reproducing device and reproducing method

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See also references of WO2015168325A1 *

Also Published As

Publication number Publication date
EP3138098A1 (de) 2017-03-08
KR20160147987A (ko) 2016-12-23
WO2015168325A1 (en) 2015-11-05
JP2017519323A (ja) 2017-07-13

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