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 frequenceInfo
- 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- Withdrawn
Links
- 229910052783 alkali metal Inorganic materials 0.000 title 1
- 150000001340 alkali metals Chemical group 0.000 title 1
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
- H01S3/00—Lasers, i.e. devices using stimulated emission of electromagnetic radiation in the infrared, visible or ultraviolet wave range
- H01S3/05—Construction or shape of optical resonators; Accommodation of active medium therein; Shape of active medium
- H01S3/08—Construction or shape of optical resonators or components thereof
- H01S3/08018—Mode suppression
- H01S3/08022—Longitudinal modes
-
- 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
- H01S3/00—Lasers, i.e. devices using stimulated emission of electromagnetic radiation in the infrared, visible or ultraviolet wave range
- H01S3/10—Controlling the intensity, frequency, phase, polarisation or direction of the emitted radiation, e.g. switching, gating, modulating or demodulating
- H01S3/106—Controlling 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
- H01S3/1061—Controlling 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
-
- 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
- H01S3/00—Lasers, i.e. devices using stimulated emission of electromagnetic radiation in the infrared, visible or ultraviolet wave range
- H01S3/10—Controlling the intensity, frequency, phase, polarisation or direction of the emitted radiation, e.g. switching, gating, modulating or demodulating
- H01S3/11—Mode locking; Q-switching; Other giant-pulse techniques, e.g. cavity dumping
- H01S3/1106—Mode locking
- H01S3/1112—Passive mode locking
- H01S3/1115—Passive mode locking using intracavity saturable absorbers
-
- 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
- H01S3/00—Lasers, i.e. devices using stimulated emission of electromagnetic radiation in the infrared, visible or ultraviolet wave range
- H01S3/10—Controlling the intensity, frequency, phase, polarisation or direction of the emitted radiation, e.g. switching, gating, modulating or demodulating
- H01S3/13—Stabilisation of laser output parameters, e.g. frequency or amplitude
- H01S3/1303—Stabilisation of laser output parameters, e.g. frequency or amplitude by using a passive reference, e.g. absorption cell
-
- 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
- H01S5/062—Arrangements for controlling the laser output parameters, e.g. by operating on the active medium by varying the potential of the electrodes
- H01S5/06226—Modulation at ultra-high frequencies
- H01S5/0623—Modulation at ultra-high frequencies using the beating between two closely spaced optical frequencies, i.e. heterodyne mixing
-
- 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
- H01S5/065—Mode locking; Mode suppression; Mode selection ; Self pulsating
-
- 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
- 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
- H01S5/10—Construction 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
- H01S5/14—External cavity lasers
- H01S5/141—External 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)
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)
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)
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)
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 |
-
2005
- 2005-11-22 JP JP2007543419A patent/JP2008522411A/en active Pending
- 2005-11-22 EP EP05857002A patent/EP1815588A4/en not_active Withdrawn
- 2005-11-22 WO PCT/US2005/042396 patent/WO2006073597A2/en active Application Filing
Patent Citations (3)
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)
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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Legal Events
Date | Code | Title | Description |
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Free format text: ORIGINAL CODE: 0009012 |
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17P | Request for examination filed |
Effective date: 20070615 |
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AK | Designated contracting states |
Kind code of ref document: A2 Designated state(s): AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IS IT LI LT LU LV MC NL PL PT RO SE SI SK TR |
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AX | Request for extension of the european patent |
Extension state: AL BA HR MK YU |
|
A4 | Supplementary search report drawn up and despatched |
Effective date: 20100129 |
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17Q | First examination report despatched |
Effective date: 20100503 |
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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 |
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18D | Application deemed to be withdrawn |
Effective date: 20100914 |