IN2015KN00352A - - Google Patents

Info

Publication number
IN2015KN00352A
IN2015KN00352A IN352KON2015A IN2015KN00352A IN 2015KN00352 A IN2015KN00352 A IN 2015KN00352A IN 352KON2015 A IN352KON2015 A IN 352KON2015A IN 2015KN00352 A IN2015KN00352 A IN 2015KN00352A
Authority
IN
India
Prior art keywords
alkali metal
laser beams
metal cell
pair
atoms
Prior art date
Application number
Other languages
English (en)
Inventor
Shigeyoshi Goka
Yuichiro Yano
Original Assignee
Ricoh Co Ltd
Univ Tokyo Metropolitan
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 Ricoh Co Ltd, Univ Tokyo Metropolitan filed Critical Ricoh Co Ltd
Publication of IN2015KN00352A publication Critical patent/IN2015KN00352A/en

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03L—AUTOMATIC CONTROL, STARTING, SYNCHRONISATION OR STABILISATION OF GENERATORS OF ELECTRONIC OSCILLATIONS OR PULSES
    • H03L7/00—Automatic control of frequency or phase; Synchronisation
    • H03L7/26—Automatic control of frequency or phase; Synchronisation using energy levels of molecules, atoms, or subatomic particles as a frequency reference
    • G—PHYSICS
    • G04—HOROLOGY
    • G04F—TIME-INTERVAL MEASURING
    • G04F5/00—Apparatus for producing preselected time intervals for use as timing standards
    • G04F5/14—Apparatus for producing preselected time intervals for use as timing standards using atomic clocks
    • G04F5/145—Apparatus for producing preselected time intervals for use as timing standards using atomic clocks using Coherent Population Trapping
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01S—DEVICES USING THE PROCESS OF LIGHT AMPLIFICATION BY STIMULATED EMISSION OF RADIATION [LASER] TO AMPLIFY OR GENERATE LIGHT; DEVICES USING STIMULATED EMISSION OF ELECTROMAGNETIC RADIATION IN WAVE RANGES OTHER THAN OPTICAL
    • H01S5/00—Semiconductor lasers
    • H01S5/005—Optical components external to the laser cavity, specially adapted therefor, e.g. for homogenisation or merging of the beams or for manipulating laser pulses, e.g. pulse shaping
    • H01S5/0085—Optical components external to the laser cavity, specially adapted therefor, e.g. for homogenisation or merging of the beams or for manipulating laser pulses, e.g. pulse shaping for modulating the output, i.e. the laser beam is modulated outside the laser cavity
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01S—DEVICES USING THE PROCESS OF LIGHT AMPLIFICATION BY STIMULATED EMISSION OF RADIATION [LASER] TO AMPLIFY OR GENERATE LIGHT; DEVICES USING STIMULATED EMISSION OF ELECTROMAGNETIC RADIATION IN WAVE RANGES OTHER THAN OPTICAL
    • H01S5/00—Semiconductor lasers
    • H01S5/06—Arrangements for controlling the laser output parameters, e.g. by operating on the active medium
    • H01S5/068—Stabilisation of laser output parameters
    • H01S5/0683—Stabilisation of laser output parameters by monitoring the optical output parameters
    • H01S5/0687—Stabilising the frequency of the laser
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03B—GENERATION OF OSCILLATIONS, DIRECTLY OR BY FREQUENCY-CHANGING, BY CIRCUITS EMPLOYING ACTIVE ELEMENTS WHICH OPERATE IN A NON-SWITCHING MANNER; GENERATION OF NOISE BY SUCH CIRCUITS
    • H03B17/00—Generation of oscillations using radiation source and detector, e.g. with interposed variable obturator

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Condensed Matter Physics & Semiconductors (AREA)
  • Electromagnetism (AREA)
  • Optics & Photonics (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Ecology (AREA)
  • Stabilization Of Oscillater, Synchronisation, Frequency Synthesizers (AREA)
  • Lasers (AREA)
IN352KON2015 2012-08-30 2013-08-28 IN2015KN00352A (xx)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2012190180A JP6124536B2 (ja) 2012-08-30 2012-08-30 原子発振器及びｃｐｔ共鳴の励起方法
PCT/JP2013/073728 WO2014034955A1 (en) 2012-08-30 2013-08-28 Atomic oscillator and interrogation method of coherent population trapping resonance

Publications (1)

Publication Number Publication Date
IN2015KN00352A true IN2015KN00352A (xx) 2015-07-10

Family

ID=50183752

Family Applications (1)

Application Number Title Priority Date Filing Date
IN352KON2015 IN2015KN00352A (xx) 2012-08-30 2013-08-28

Country Status (8)

Country Link
US (1) US9444476B2 (xx)
EP (1) EP2891247A4 (xx)
JP (1) JP6124536B2 (xx)
CN (1) CN104685788B (xx)
BR (1) BR112015004639A2 (xx)
IN (1) IN2015KN00352A (xx)
RU (1) RU2608167C2 (xx)
WO (1) WO2014034955A1 (xx)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP6511298B2 (ja) * 2015-03-12 2019-05-15 株式会社リコー Ｃｐｔ共鳴発生方法、ｃｐｔ共鳴検出方法、ｃｐｔ共鳴発生装置、原子発振器、磁気センサ
JP6627335B2 (ja) * 2015-09-01 2020-01-08 セイコーエプソン株式会社 量子干渉装置、原子発振器、および電子機器
CN106877865B (zh) * 2017-01-10 2018-08-28 清华大学 碱金属气室原子钟系统
JP2023021719A (ja) * 2021-08-02 2023-02-14 日本電気株式会社 量子干渉装置、原子発振器及び制御方法
CN114675524B (zh) * 2022-04-08 2024-02-09 湖北科技学院 一种微型cpt原子钟物理系统装置

Family Cites Families (25)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH03101419A (ja) 1989-09-14 1991-04-26 Nippon Telegr & Teleph Corp <Ntt> 光トラップ方式原子発振器
US5491451A (en) * 1994-11-17 1996-02-13 Ball Corporation Method and apparatus for reduction of atomic frequency standard phase noise
US6320472B1 (en) * 1999-01-26 2001-11-20 Kernco, Inc. Atomic frequency standard
IT1307355B1 (it) * 1999-10-05 2001-11-06 Istituto Elettrotecnico Naz Ga Apparato per la generazione di una frequenza di riferimento.
WO2001026313A1 (en) * 1999-10-05 2001-04-12 Thomson Licensing S.A. System and method for providing pots services in dsl environment in event of failures
US6363091B1 (en) * 2000-06-05 2002-03-26 Agilent Technologies, Inc Coherent population trapping-based method for generating a frequency standard having a reduced magnitude of total a.c. stark shift
JP4163630B2 (ja) * 2002-04-09 2008-10-08 カリフォルニア インスティテュート オブ テクノロジー 光−電子発振器に基づく原子時計
US7098744B2 (en) * 2002-12-18 2006-08-29 Hrl Laboratories, Llc Method and apparatus for generating two frequencies having a frequency separation equal to the atomic frequency of an atomic species
US6993058B2 (en) * 2003-04-28 2006-01-31 Agilent Technologies, Inc. Coherent population trapping detector
US7345553B2 (en) * 2004-03-18 2008-03-18 Agilent Technologies, Inc. Method and apparatus for reducing errors due to line asymmetry in devices utilizing coherent population trapping
FR2868558B1 (fr) * 2004-03-30 2006-06-30 Centre Nat Rech Scient Cnrse Procede de generation d'un signal d'horloge atomique a piegeage coherent de population et horloge atomique correspondante
JP3969666B2 (ja) 2005-04-15 2007-09-05 財団法人電力中央研究所 波長可変レーザー装置
US20110051763A1 (en) * 2005-12-14 2011-03-03 Kernco, Inc. Determining and setting the frequency modulation index of a laser in a CPT frequency standard
US20090289728A1 (en) * 2008-05-23 2009-11-26 Accubeat Ltd. Atomic frequency standard based on phase detection
US8237514B2 (en) 2009-02-06 2012-08-07 Seiko Epson Corporation Quantum interference device, atomic oscillator, and magnetic sensor
JP5381400B2 (ja) * 2009-02-06 2014-01-08 セイコーエプソン株式会社 量子干渉装置、原子発振器、および磁気センサー
JP5429469B2 (ja) * 2009-09-07 2014-02-26 セイコーエプソン株式会社 量子干渉装置、原子発振器及び磁気センサー
JP2011091476A (ja) * 2009-10-20 2011-05-06 Seiko Epson Corp 原子発振器
JP2011158384A (ja) 2010-02-02 2011-08-18 Seiko Epson Corp 微粒子検出装置
JP5640490B2 (ja) * 2010-06-21 2014-12-17 セイコーエプソン株式会社 原子発振器
JP2012209534A (ja) 2011-03-17 2012-10-25 Ricoh Co Ltd 面発光レーザ素子、原子発振器及び面発光レーザ素子の検査方法
JP2013243329A (ja) 2011-07-07 2013-12-05 Ricoh Co Ltd 面発光レーザ素子及び原子発振器
JP6031787B2 (ja) 2011-07-13 2016-11-24 株式会社リコー 原子発振器の製造方法
JP6303255B2 (ja) 2011-12-02 2018-04-04 株式会社リコー 面発光レーザ素子及び原子発振器
US9200960B2 (en) * 2013-04-26 2015-12-01 Entanglement Technologies, Inc. Cavity enhanced absorption spectroscopy with a laser modulation side-band frequency locked to the cavity

Also Published As

Publication number Publication date
RU2608167C2 (ru) 2017-01-17
RU2015111233A (ru) 2016-10-20
JP2014049886A (ja) 2014-03-17
CN104685788A (zh) 2015-06-03
US20150222285A1 (en) 2015-08-06
WO2014034955A1 (en) 2014-03-06
EP2891247A1 (en) 2015-07-08
CN104685788B (zh) 2017-11-03
EP2891247A4 (en) 2015-10-28
US9444476B2 (en) 2016-09-13
JP6124536B2 (ja) 2017-05-10
BR112015004639A2 (pt) 2017-07-04

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