Ultrastable cesium atomic clock with a 9.1926-GHz regeneratively mode-locked fiber laser

Masatsugu Yakabe; Ko Nito; Masato Yoshida; Masataka Nakazawa; Yasuki Koga; Ken Hagimoto; Takeshi Ikegami

doi:10.1364/OL.30.001512

Ultrastable cesium atomic clock with a 9.1926-GHz regeneratively mode-locked fiber laser

Masatsugu Yakabe, Ko Nito, Masato Yoshida, Masataka Nakazawa, Yasuki Koga, Ken Hagimoto, Takeshi Ikegami

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

2 Citations (Scopus)

Abstract

We describe an ultrastable cesium (Cs) atomic clock with a 9.1926-GHz regeneratively mode-locked fiber laser obtained by use of an optically pumped Cs beam tube. By adopting a 1-m-long Cs beam tube with a linewidth of 110 Hz, we have successfully obtained frequency stabilities of 4.8×10^-12 for τ=1 s and 6.3 ×10^-13 for τ=50 s for a 9.1926-GHz microwave output signal. This Cs atomic clock can generate an optical pulse train with the same stability as that of the obtained microwave, which allows us to deliver a frequency standard optical signal throughout the world by means of optical fiber networks.

Original language	English
Pages (from-to)	1512-1514
Number of pages	3
Journal	Optics Letters
Volume	30
Issue number	12
DOIs	https://doi.org/10.1364/OL.30.001512
Publication status	Published - 2005 Jun 15

ASJC Scopus subject areas

Atomic and Molecular Physics, and Optics

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abstract = "We describe an ultrastable cesium (Cs) atomic clock with a 9.1926-GHz regeneratively mode-locked fiber laser obtained by use of an optically pumped Cs beam tube. By adopting a 1-m-long Cs beam tube with a linewidth of 110 Hz, we have successfully obtained frequency stabilities of 4.8×10-12 for τ=1 s and 6.3 ×10-13 for τ=50 s for a 9.1926-GHz microwave output signal. This Cs atomic clock can generate an optical pulse train with the same stability as that of the obtained microwave, which allows us to deliver a frequency standard optical signal throughout the world by means of optical fiber networks.",

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AU - Yakabe, Masatsugu

AU - Nito, Ko

AU - Yoshida, Masato

AU - Nakazawa, Masataka

AU - Koga, Yasuki

AU - Hagimoto, Ken

AU - Ikegami, Takeshi

PY - 2005/6/15

Y1 - 2005/6/15

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AB - We describe an ultrastable cesium (Cs) atomic clock with a 9.1926-GHz regeneratively mode-locked fiber laser obtained by use of an optically pumped Cs beam tube. By adopting a 1-m-long Cs beam tube with a linewidth of 110 Hz, we have successfully obtained frequency stabilities of 4.8×10-12 for τ=1 s and 6.3 ×10-13 for τ=50 s for a 9.1926-GHz microwave output signal. This Cs atomic clock can generate an optical pulse train with the same stability as that of the obtained microwave, which allows us to deliver a frequency standard optical signal throughout the world by means of optical fiber networks.

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Ultrastable cesium atomic clock with a 9.1926-GHz regeneratively mode-locked fiber laser

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