Oscillator-free atomic clock using a multimode laser

Sin Hyuk Yim; D. Cho

doi:10.1063/1.3435474

Oscillator-free atomic clock using a multimode laser

Sin Hyuk Yim, D. Cho

Department of Physics

Research output: Contribution to journal › Article › peer-review

7 Citations (Scopus)

Abstract

We developed an atomic clock using two modes from a single extended-cavity diode laser in multimode operation. The two modes are phase locked with reference to a dispersion signal from a coherent population trapping (CPT) resonance of R 85 b at 3.036 GHz. The design is in principle free from an oscillator and a modulator and it is a significant simplification over a conventional CPT-based atomic clock. Allan deviation of the beat frequency is 1× 10-10 at 200 s integration time.

Original language	English
Article number	211119
Journal	Applied Physics Letters
Volume	96
Issue number	21
DOIs	https://doi.org/10.1063/1.3435474
Publication status	Published - 2010 May 24

ASJC Scopus subject areas

Physics and Astronomy (miscellaneous)

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10.1063/1.3435474

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title = "Oscillator-free atomic clock using a multimode laser",

abstract = "We developed an atomic clock using two modes from a single extended-cavity diode laser in multimode operation. The two modes are phase locked with reference to a dispersion signal from a coherent population trapping (CPT) resonance of R 85 b at 3.036 GHz. The design is in principle free from an oscillator and a modulator and it is a significant simplification over a conventional CPT-based atomic clock. Allan deviation of the beat frequency is 1× 10-10 at 200 s integration time.",

author = "Yim, {Sin Hyuk} and D. Cho",

note = "Funding Information: This work was supported by the National Research Foundation of Korea (Grant No. 2009-0080091). S.H.Y. acknowledges support from Seoul R&BD Program (Grant No. 10543). Copyright: Copyright 2010 Elsevier B.V., All rights reserved.",

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N2 - We developed an atomic clock using two modes from a single extended-cavity diode laser in multimode operation. The two modes are phase locked with reference to a dispersion signal from a coherent population trapping (CPT) resonance of R 85 b at 3.036 GHz. The design is in principle free from an oscillator and a modulator and it is a significant simplification over a conventional CPT-based atomic clock. Allan deviation of the beat frequency is 1× 10-10 at 200 s integration time.

AB - We developed an atomic clock using two modes from a single extended-cavity diode laser in multimode operation. The two modes are phase locked with reference to a dispersion signal from a coherent population trapping (CPT) resonance of R 85 b at 3.036 GHz. The design is in principle free from an oscillator and a modulator and it is a significant simplification over a conventional CPT-based atomic clock. Allan deviation of the beat frequency is 1× 10-10 at 200 s integration time.

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Oscillator-free atomic clock using a multimode laser

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