[go: up one dir, main page]

EP3138098A4 - Methods and apparatus for coherent holographic data channels - Google Patents

Methods and apparatus for coherent holographic data channels Download PDF

Info

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Withdrawn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
German (de)
French (fr)
Other versions
EP3138098A1 (en
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/en
Publication of EP3138098A4 publication Critical patent/EP3138098A4/en
Withdrawn legal-status Critical Current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

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Holo Graphy (AREA)
  • Optical Recording Or Reproduction (AREA)
EP15786499.2A 2014-04-29 2015-04-29 Methods and apparatus for coherent holographic data channels Withdrawn EP3138098A4 (en)

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 (en) 2017-03-08
EP3138098A4 true EP3138098A4 (en) 2017-12-13

Family

ID=54359309

Family Applications (1)

Application Number Title Priority Date Filing Date
EP15786499.2A Withdrawn EP3138098A4 (en) 2014-04-29 2015-04-29 Methods and apparatus for coherent holographic data channels

Country Status (4)

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

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR102150110B1 (en) * 2018-12-12 2020-08-31 주식회사 내일해 Method for generating 3d shape information of an object
CN111883185B (en) * 2020-06-02 2021-06-25 华中科技大学 A method and device for writing/reading projection super-resolution optical data
KR102749103B1 (en) * 2023-08-03 2025-01-03 고려대학교 산학협력단 Off-axis phase imaging apparatus
KR102867668B1 (en) * 2023-08-03 2025-10-15 고려대학교 산학협력단 Off-axis imaging apparatus
CN116961767B (en) * 2023-08-21 2024-10-18 重庆邮电大学 A reconfigurable pattern matching system based on optical Fourier transform
CN120428531B (en) * 2025-07-10 2025-09-05 成都锦城学院 Imaging data transmission method and system based on holographic image

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 (en) * 1995-08-31 2004-05-17 浜松ホトニクス株式会社 Double image canceller
US7623279B1 (en) * 2005-11-22 2009-11-24 Inphase Technologies, Inc. Method for holographic data retrieval by quadrature homodyne detection
EP2256726A1 (en) * 2009-05-27 2010-12-01 Thomson Licensing Holographic storage system with reduced noise
JP5358530B2 (en) * 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 Optical information recording / reproducing apparatus and reproducing apparatus

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 (en) 2017-03-08
WO2015168325A1 (en) 2015-11-05
KR20160147987A (en) 2016-12-23
JP2017519323A (en) 2017-07-13

Similar Documents

Publication Publication Date Title
EP3104568A4 (en) Method and apparatus for receiving data unit
EP3163888A4 (en) Data reproduction method and reproduction device
SG11201610658UA (en) Multichannel coherent transceiver and related apparatus and methods
EP3127274A4 (en) Methods and apparatus to securely share data
EP3160071A4 (en) Data sending method and apparatus
EP3155855A4 (en) Data transmission method and apparatus
EP3175410A4 (en) System and method for performing authentication using data analytics
EP3116276A4 (en) Data transmission method and apparatus
EP3175419A4 (en) Method and apparatus for visualizing music information
EP3223169A4 (en) Search method and apparatus for graph data
EP3125509A4 (en) Application information sharing method and apparatus
EP3079379A4 (en) Method and apparatus for reproducing three-dimensional audio
EP3224726A4 (en) Method and apparatus for memory management
EP3214840A4 (en) Data generation method, data reproduction method, data generation device and data reproduction device
EP3186792A4 (en) Method and apparatus for obtaining locating information
EP3206325A4 (en) Data transmission method and apparatus
EP3148095A4 (en) Data transmission method and apparatus
EP3217580A4 (en) Data checking method and apparatus
EP3376393A4 (en) Data storage method and apparatus
EP3192207A4 (en) Apparatus and method for data encryption
EP3193484A4 (en) Data transmission method and apparatus
EP3226507A4 (en) Data transmission method and apparatus
EP3163777A4 (en) Multi-channel synchronisation method, synchronisation device and system, and computer storage medium
EP3122927A4 (en) Recording apparatus and recording method
EP3169026A4 (en) Method and apparatus for sending multimedia data

Legal Events

Date Code Title Description
PUAI Public reference made under article 153(3) epc to a published international application that has entered the european phase

Free format text: ORIGINAL CODE: 0009012

17P Request for examination filed

Effective date: 20161115

AK Designated contracting states

Kind code of ref document: A1

Designated state(s): AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR

AX Request for extension of the european patent

Extension state: BA ME

DAV Request for validation of the european patent (deleted)
DAX Request for extension of the european patent (deleted)
A4 Supplementary search report drawn up and despatched

Effective date: 20171115

RIC1 Information provided on ipc code assigned before grant

Ipc: G11B 7/007 20060101ALI20171109BHEP

Ipc: G11B 7/0065 20060101AFI20171109BHEP

STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: THE APPLICATION IS DEEMED TO BE WITHDRAWN

18D Application deemed to be withdrawn

Effective date: 20180612