Dispersion tailoring of a crystalline whispering gallery mode microcavity for a wide-spanning optical Kerr frequency comb

Yosuke Nakagawa; Yuta Mizumoto; Takumi Kato; Tomoya Kobatake; Hiroki Itobe; Yasuhiro Kakinuma; Takasumi Tanabe

doi:10.1364/JOSAB.33.001913

Dispersion tailoring of a crystalline whispering gallery mode microcavity for a wide-spanning optical Kerr frequency comb

Yosuke Nakagawa, Yuta Mizumoto, Takumi Kato, Tomoya Kobatake, Hiroki Itobe, Yasuhiro Kakinuma, Takasumi Tanabe

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

30 Citations (Scopus)

Abstract

We fabricated a crystalline whispering gallery mode microcavity by using a computer-controlled ultraprecision cutting process to control the cavity cross section. We used a numerical simulation to show that a wide-spanning optical Kerr frequency comb is generated by tailoring the dispersion of a crystalline whispering gallery mode microcavity. To control the dispersion, we designed the cross-sectional shape of the device and fabricated it by using ultraprecision cutting. Both the measured value and the numerical result show that the microcavity has an anomalous dispersion over one octave.

Original language	English
Pages (from-to)	1913-1920
Number of pages	8
Journal	Journal of the Optical Society of America B: Optical Physics
Volume	33
Issue number	9
DOIs	https://doi.org/10.1364/JOSAB.33.001913
Publication status	Published - 2016 Sept 1

ASJC Scopus subject areas

Statistical and Nonlinear Physics
Atomic and Molecular Physics, and Optics

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10.1364/JOSAB.33.001913

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abstract = "We fabricated a crystalline whispering gallery mode microcavity by using a computer-controlled ultraprecision cutting process to control the cavity cross section. We used a numerical simulation to show that a wide-spanning optical Kerr frequency comb is generated by tailoring the dispersion of a crystalline whispering gallery mode microcavity. To control the dispersion, we designed the cross-sectional shape of the device and fabricated it by using ultraprecision cutting. Both the measured value and the numerical result show that the microcavity has an anomalous dispersion over one octave.",

author = "Yosuke Nakagawa and Yuta Mizumoto and Takumi Kato and Tomoya Kobatake and Hiroki Itobe and Yasuhiro Kakinuma and Takasumi Tanabe",

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AU - Nakagawa, Yosuke

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AU - Kobatake, Tomoya

AU - Itobe, Hiroki

AU - Kakinuma, Yasuhiro

AU - Tanabe, Takasumi

N1 - Funding Information: Japan Society for the Promotion of Science (JSPS) (KAKEN #15H05429). The authors thank Prof. J. Yan from Keio University for the valuable discussions on the fabrication of CaF2 WGM microcavities. Publisher Copyright: © 2016 Optical Society of America.

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N2 - We fabricated a crystalline whispering gallery mode microcavity by using a computer-controlled ultraprecision cutting process to control the cavity cross section. We used a numerical simulation to show that a wide-spanning optical Kerr frequency comb is generated by tailoring the dispersion of a crystalline whispering gallery mode microcavity. To control the dispersion, we designed the cross-sectional shape of the device and fabricated it by using ultraprecision cutting. Both the measured value and the numerical result show that the microcavity has an anomalous dispersion over one octave.

AB - We fabricated a crystalline whispering gallery mode microcavity by using a computer-controlled ultraprecision cutting process to control the cavity cross section. We used a numerical simulation to show that a wide-spanning optical Kerr frequency comb is generated by tailoring the dispersion of a crystalline whispering gallery mode microcavity. To control the dispersion, we designed the cross-sectional shape of the device and fabricated it by using ultraprecision cutting. Both the measured value and the numerical result show that the microcavity has an anomalous dispersion over one octave.

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Dispersion tailoring of a crystalline whispering gallery mode microcavity for a wide-spanning optical Kerr frequency comb

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