Single-frequency fiber Fabry–Perot Brillouin laser

Shinya Kato; Takao Aoki

doi:10.1364/OL.472199

Single-frequency fiber Fabry–Perot Brillouin laser

Shinya Kato, Takao Aoki^*

^*この研究の対応する著者

研究成果 › 査読

抄録

We demonstrate single-frequency stimulated Brillouin lasing in short fiber Fabry–Perot resonators. A sub-milliwatt threshold for lasing is observed in resonators with high quality factors of ∼1.5 × 10⁸ and effective resonator lengths as short as ∼5 mm. The strong dispersion of fiber Bragg gratings results in unequal frequency separations for neighboring pairs of longitudinal modes with separation differences larger than the Brillouin gain bandwidth, thereby avoiding cascaded lasing. Our achievement will enable compact, robust, efficient narrow-linewidth light sources.

本文言語	English
ページ（範囲）	5000-5003
ページ数	4
ジャーナル	Optics Letters
巻	47
号	19
DOI	https://doi.org/10.1364/OL.472199
出版ステータス	Published - 2022 10月 1

ASJC Scopus subject areas

原子分子物理学および光学

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title = "Single-frequency fiber Fabry–Perot Brillouin laser",

abstract = "We demonstrate single-frequency stimulated Brillouin lasing in short fiber Fabry–Perot resonators. A sub-milliwatt threshold for lasing is observed in resonators with high quality factors of ∼1.5 × 108 and effective resonator lengths as short as ∼5 mm. The strong dispersion of fiber Bragg gratings results in unequal frequency separations for neighboring pairs of longitudinal modes with separation differences larger than the Brillouin gain bandwidth, thereby avoiding cascaded lasing. Our achievement will enable compact, robust, efficient narrow-linewidth light sources.",

author = "Shinya Kato and Takao Aoki",

note = "Funding Information: Core Research for Evolutional Science and Technology (JPMJCR1771); Japan Society for the Promotion of Science (18H05207). S. K. thanks A. Goban for valuable comments and D. White for critical reading of the manuscript. Publisher Copyright: {\textcopyright} 2022 Optica Publishing Group.",

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N2 - We demonstrate single-frequency stimulated Brillouin lasing in short fiber Fabry–Perot resonators. A sub-milliwatt threshold for lasing is observed in resonators with high quality factors of ∼1.5 × 108 and effective resonator lengths as short as ∼5 mm. The strong dispersion of fiber Bragg gratings results in unequal frequency separations for neighboring pairs of longitudinal modes with separation differences larger than the Brillouin gain bandwidth, thereby avoiding cascaded lasing. Our achievement will enable compact, robust, efficient narrow-linewidth light sources.

AB - We demonstrate single-frequency stimulated Brillouin lasing in short fiber Fabry–Perot resonators. A sub-milliwatt threshold for lasing is observed in resonators with high quality factors of ∼1.5 × 108 and effective resonator lengths as short as ∼5 mm. The strong dispersion of fiber Bragg gratings results in unequal frequency separations for neighboring pairs of longitudinal modes with separation differences larger than the Brillouin gain bandwidth, thereby avoiding cascaded lasing. Our achievement will enable compact, robust, efficient narrow-linewidth light sources.

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Single-frequency fiber Fabry–Perot Brillouin laser

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