Presentation 2001/5/11
Oscillation frequency stabilization of a semiconductor laser using the Faraday effect of the Rb absorption line : Examination of a small modulation strength and its application to the PEAK method
Toshiya Nimonji, Takashi Saga, Shin-ichi Ito, Takashi Sato, Masashi Ohkawa, Takeo Maruyama, Minoru Shimba,
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Abstract(in Japanese) (See Japanese page)
Abstract(in English) The oscillation frequency stabilization of a semiconductor laser is usually demonstrated by the direct modulation of its injection current, although this method increases its oscillation linewidth. This linewidth broadening, however, must be removed in some application fields. We, therefore, stabilized its oscillation frequency using the Faraday effect of the Rb absorption line. Our method modulates the reference frequency instead of the laser frequency, so the oscillation linewidth is not broadened by this method. We examined the relation between the strength of a small modulation signal for the stabilization and the frequency stability. We also examined the improvement of the frequency stability using the PEAK method, which we devised to obtain the large reproducible control signal for the frequency stabilization.
Keyword(in Japanese) (See Japanese page)
Keyword(in English) semiconductor laser / frequency stabilization / Rb absorption line / Faraday effect
Paper # LQE2001-6
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Conference Information
Committee LQE
Conference Date 2001/5/11(1days)
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Registration To Lasers and Quantum Electronics (LQE)
Language JPN
Title (in Japanese) (See Japanese page)
Sub Title (in Japanese) (See Japanese page)
Title (in English) Oscillation frequency stabilization of a semiconductor laser using the Faraday effect of the Rb absorption line : Examination of a small modulation strength and its application to the PEAK method
Sub Title (in English)
Keyword(1) semiconductor laser
Keyword(2) frequency stabilization
Keyword(3) Rb absorption line
Keyword(4) Faraday effect
1st Author's Name Toshiya Nimonji
1st Author's Affiliation Graduate School of Science and Technology, Niigata University()
2nd Author's Name Takashi Saga
2nd Author's Affiliation Graduate School of Science and Technology, Niigata University
3rd Author's Name Shin-ichi Ito
3rd Author's Affiliation Graduate School of Science and Technology, Niigata University
4th Author's Name Takashi Sato
4th Author's Affiliation Faculty of Engineering, Niigata University
5th Author's Name Masashi Ohkawa
5th Author's Affiliation Faculty of Engineering, Niigata University
6th Author's Name Takeo Maruyama
6th Author's Affiliation Faculty of Engineering, Niigata University
7th Author's Name Minoru Shimba
7th Author's Affiliation Faculty of Engineering, Tokyo Denki University
Date 2001/5/11
Paper # LQE2001-6
Volume (vol) vol.101
Number (no) 65
Page pp.pp.-
#Pages 6
Date of Issue