EP1815588A4 - Method and system for operating a laser self-modulated at alkali-metal atom hyperfine frequence - Google Patents

Method and system for operating a laser self-modulated at alkali-metal atom hyperfine frequence

Info

Publication number
EP1815588A4
EP1815588A4 EP05857002A EP05857002A EP1815588A4 EP 1815588 A4 EP1815588 A4 EP 1815588A4 EP 05857002 A EP05857002 A EP 05857002A EP 05857002 A EP05857002 A EP 05857002A EP 1815588 A4 EP1815588 A4 EP 1815588A4
Authority
EP
European Patent Office
Prior art keywords
frequence
modulated
alkali
operating
metal atom
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Withdrawn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
EP05857002A
Other languages
German (de)
French (fr)
Other versions
EP1815588A2 (en
Inventor
William Happer
Yuan-Yu Jau
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.)
Princeton University
Original Assignee
Princeton University
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 US11/052,261 external-priority patent/US7102451B2/en
Priority claimed from US11/284,064 external-priority patent/US7323941B1/en
Application filed by Princeton University filed Critical Princeton University
Publication of EP1815588A2 publication Critical patent/EP1815588A2/en
Publication of EP1815588A4 publication Critical patent/EP1815588A4/en
Withdrawn legal-status Critical Current

Links

Classifications

    • HELECTRICITY
    • H03ELECTRONIC CIRCUITRY
    • H03LAUTOMATIC CONTROL, STARTING, SYNCHRONISATION OR STABILISATION OF GENERATORS OF ELECTRONIC OSCILLATIONS OR PULSES
    • H03L7/00Automatic control of frequency or phase; Synchronisation
    • H03L7/26Automatic control of frequency or phase; Synchronisation using energy levels of molecules, atoms, or subatomic particles as a frequency reference
    • GPHYSICS
    • G04HOROLOGY
    • G04FTIME-INTERVAL MEASURING
    • G04F5/00Apparatus for producing preselected time intervals for use as timing standards
    • G04F5/14Apparatus for producing preselected time intervals for use as timing standards using atomic clocks
    • G04F5/145Apparatus for producing preselected time intervals for use as timing standards using atomic clocks using Coherent Population Trapping
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01SDEVICES 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
    • H01S3/00Lasers, i.e. devices using stimulated emission of electromagnetic radiation in the infrared, visible or ultraviolet wave range
    • H01S3/05Construction or shape of optical resonators; Accommodation of active medium therein; Shape of active medium
    • H01S3/08Construction or shape of optical resonators or components thereof
    • H01S3/08018Mode suppression
    • H01S3/08022Longitudinal modes
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01SDEVICES 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
    • H01S3/00Lasers, i.e. devices using stimulated emission of electromagnetic radiation in the infrared, visible or ultraviolet wave range
    • H01S3/10Controlling the intensity, frequency, phase, polarisation or direction of the emitted radiation, e.g. switching, gating, modulating or demodulating
    • H01S3/106Controlling the intensity, frequency, phase, polarisation or direction of the emitted radiation, e.g. switching, gating, modulating or demodulating by controlling devices placed within the cavity
    • H01S3/1061Controlling the intensity, frequency, phase, polarisation or direction of the emitted radiation, e.g. switching, gating, modulating or demodulating by controlling devices placed within the cavity using a variable absorption device
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01SDEVICES 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
    • H01S3/00Lasers, i.e. devices using stimulated emission of electromagnetic radiation in the infrared, visible or ultraviolet wave range
    • H01S3/10Controlling the intensity, frequency, phase, polarisation or direction of the emitted radiation, e.g. switching, gating, modulating or demodulating
    • H01S3/11Mode locking; Q-switching; Other giant-pulse techniques, e.g. cavity dumping
    • H01S3/1106Mode locking
    • H01S3/1112Passive mode locking
    • H01S3/1115Passive mode locking using intracavity saturable absorbers
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01SDEVICES 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
    • H01S3/00Lasers, i.e. devices using stimulated emission of electromagnetic radiation in the infrared, visible or ultraviolet wave range
    • H01S3/10Controlling the intensity, frequency, phase, polarisation or direction of the emitted radiation, e.g. switching, gating, modulating or demodulating
    • H01S3/13Stabilisation of laser output parameters, e.g. frequency or amplitude
    • H01S3/1303Stabilisation of laser output parameters, e.g. frequency or amplitude by using a passive reference, e.g. absorption cell
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01SDEVICES 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
    • H01S5/00Semiconductor lasers
    • H01S5/06Arrangements for controlling the laser output parameters, e.g. by operating on the active medium
    • H01S5/062Arrangements for controlling the laser output parameters, e.g. by operating on the active medium by varying the potential of the electrodes
    • H01S5/06226Modulation at ultra-high frequencies
    • H01S5/0623Modulation at ultra-high frequencies using the beating between two closely spaced optical frequencies, i.e. heterodyne mixing
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01SDEVICES 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
    • H01S5/00Semiconductor lasers
    • H01S5/06Arrangements for controlling the laser output parameters, e.g. by operating on the active medium
    • H01S5/065Mode locking; Mode suppression; Mode selection ; Self pulsating
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01SDEVICES 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
    • H01S5/00Semiconductor lasers
    • H01S5/06Arrangements for controlling the laser output parameters, e.g. by operating on the active medium
    • H01S5/068Stabilisation of laser output parameters
    • H01S5/0683Stabilisation of laser output parameters by monitoring the optical output parameters
    • H01S5/0687Stabilising the frequency of the laser
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01SDEVICES 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
    • H01S5/00Semiconductor lasers
    • H01S5/10Construction or shape of the optical resonator, e.g. extended or external cavity, coupled cavities, bent-guide, varying width, thickness or composition of the active region
    • H01S5/14External cavity lasers
    • H01S5/141External cavity lasers using a wavelength selective device, e.g. a grating or etalon

Landscapes

  • Physics & Mathematics (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Ecology (AREA)
  • General Physics & Mathematics (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Semiconductor Lasers (AREA)
  • Lasers (AREA)
  • Stabilization Of Oscillater, Synchronisation, Frequency Synthesizers (AREA)
  • Measuring Magnetic Variables (AREA)
EP05857002A 2004-11-22 2005-11-22 Method and system for operating a laser self-modulated at alkali-metal atom hyperfine frequence Withdrawn EP1815588A4 (en)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
US63002404P 2004-11-22 2004-11-22
US11/052,261 US7102451B2 (en) 2004-02-18 2005-02-07 Method and system for operating an atomic clock with alternating-polarization light
US11/284,064 US7323941B1 (en) 2004-02-18 2005-11-21 Method and system for operating a laser self-modulated at alkali-metal atom hyperfine frequency
PCT/US2005/042396 WO2006073597A2 (en) 2004-11-22 2005-11-22 Method and system for operating a laser self-modulated at alkali-metal atom hyperfine frequence

Publications (2)

Publication Number Publication Date
EP1815588A2 EP1815588A2 (en) 2007-08-08
EP1815588A4 true EP1815588A4 (en) 2010-03-03

Family

ID=36647949

Family Applications (1)

Application Number Title Priority Date Filing Date
EP05857002A Withdrawn EP1815588A4 (en) 2004-11-22 2005-11-22 Method and system for operating a laser self-modulated at alkali-metal atom hyperfine frequence

Country Status (3)

Country Link
EP (1) EP1815588A4 (en)
JP (1) JP2008522411A (en)
WO (1) WO2006073597A2 (en)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP5039452B2 (en) * 2007-06-27 2012-10-03 株式会社日立ハイテクノロジーズ Magnetic field measuring device
JP5532679B2 (en) * 2008-07-03 2014-06-25 セイコーエプソン株式会社 Atomic oscillator optical system and atomic oscillator
JP5381400B2 (en) * 2009-02-06 2014-01-08 セイコーエプソン株式会社 Quantum interferometers, atomic oscillators, and magnetic sensors
US8237514B2 (en) 2009-02-06 2012-08-07 Seiko Epson Corporation Quantum interference device, atomic oscillator, and magnetic sensor
JP6346446B2 (en) * 2013-02-14 2018-06-20 株式会社リコー Atomic oscillator, CPT resonance detection method, and magnetic sensor
KR102060117B1 (en) * 2018-05-24 2020-02-11 국방과학연구소 Method for controlling photogain of alkali vapor laser and system thereof
CN110928174B (en) * 2019-12-17 2022-01-11 中国科学院国家授时中心 Atomic clock frequency discrimination signal detection system
CN114624987B (en) * 2022-02-28 2024-08-30 温州激光与光电子协同创新中心 Laser atomic clock applying coherent filtering and coherent population trapping principles

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0315779A (en) * 1989-06-14 1991-01-24 Hitachi Ltd Magnetism detector
US20040202050A1 (en) * 2003-04-11 2004-10-14 William Happer Method and system for operating an atomic clock with simultaneous locking of field and frequency
EP1473605A2 (en) * 2003-04-28 2004-11-03 Agilent Technologies, Inc. Coherent population trapping detector

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3718868A (en) * 1970-07-20 1973-02-27 Univ Case Western Reserve I{11 {11 {11 {11 INVERTED LAMB DIP STABILIZED He-Ne LASER

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0315779A (en) * 1989-06-14 1991-01-24 Hitachi Ltd Magnetism detector
US20040202050A1 (en) * 2003-04-11 2004-10-14 William Happer Method and system for operating an atomic clock with simultaneous locking of field and frequency
EP1473605A2 (en) * 2003-04-28 2004-11-03 Agilent Technologies, Inc. Coherent population trapping detector

Non-Patent Citations (3)

* Cited by examiner, † Cited by third party
Title
CUNEO C J ET AL: "OPTICALLY STABILIZED DIODE LASER USING HIGH-CONTRAST SATURATED ABSORPTION", APPLIED PHYSICS LETTERS, AIP, AMERICAN INSTITUTE OF PHYSICS, MELVILLE, NY, US, vol. 64, no. 20, 16 May 1994 (1994-05-16), pages 2625 - 2627, XP000449691, ISSN: 0003-6951 *
HAGIMOTO K ET AL: "Stabilization of a Laser Diode with an Intracavity Cesium Cell", JPN. J. APPL. PHYS., vol. 36, December 1997 (1997-12-01), pages 7212 - 7215, XP009128282 *
VELICHANSKII V L ET AL: "SEMICONDUCTOR LASER WITH 133Cs VAPOR EXTERNAL SELECTIVE MIRROR", SOV J QUANTUM ELECTRON, vol. 8, no. 7, July 1978 (1978-07-01), pages 836 - 839, XP009128332 *

Also Published As

Publication number Publication date
WO2006073597A3 (en) 2007-04-26
JP2008522411A (en) 2008-06-26
WO2006073597A2 (en) 2006-07-13
EP1815588A2 (en) 2007-08-08

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