High power frequency comb based on mid-infrared quantum cascade laser at λ ∼ 9 μ m

Q. Y. Lu; M. Razeghi; S. Slivken; N. Bandyopadhyay; Y. Bai; W. J. Zhou; M. Chen; D. Heydari; A. Haddadi; R. McClintock; M. Amanti; C. Sirtori

doi:10.1063/1.4907646

High power frequency comb based on mid-infrared quantum cascade laser at λ ∼ 9 μ m

Q. Y. Lu, M. Razeghi, S. Slivken, N. Bandyopadhyay, Y. Bai, W. J. Zhou, M. Chen, D. Heydari, A. Haddadi, R. McClintock, M. Amanti, C. Sirtori

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55 Scopus citations

Abstract

We investigate a frequency comb source based on a mid-infrared quantum cascade laser at λ ∼ 9 μm with high power output. A broad flat-top gain with near-zero group velocity dispersion has been engineered using a dual-core active region structure. This favors the locking of the dispersed Fabry-Pérot modes into equally spaced frequency lines via four wave mixing. A current range with a narrow intermode beating linewidth of 3 kHz is identified with a fast detector and spectrum analyzer. This range corresponds to a broad spectral coverage of 65 cm^-1 and a high power output of 180 mW for ∼176 comb modes.

Original language	English (US)
Article number	051105
Journal	Applied Physics Letters
Volume	106
Issue number	5
DOIs	https://doi.org/10.1063/1.4907646
State	Published - Feb 2 2015

ASJC Scopus subject areas

Physics and Astronomy (miscellaneous)

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title = "High power frequency comb based on mid-infrared quantum cascade laser at λ ∼ 9 μ m",

abstract = "We investigate a frequency comb source based on a mid-infrared quantum cascade laser at λ ∼ 9 μm with high power output. A broad flat-top gain with near-zero group velocity dispersion has been engineered using a dual-core active region structure. This favors the locking of the dispersed Fabry-P{\'e}rot modes into equally spaced frequency lines via four wave mixing. A current range with a narrow intermode beating linewidth of 3 kHz is identified with a fast detector and spectrum analyzer. This range corresponds to a broad spectral coverage of 65 cm-1 and a high power output of 180 mW for ∼176 comb modes.",

author = "Lu, {Q. Y.} and M. Razeghi and S. Slivken and N. Bandyopadhyay and Y. Bai and Zhou, {W. J.} and M. Chen and D. Heydari and A. Haddadi and R. McClintock and M. Amanti and C. Sirtori",

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T1 - High power frequency comb based on mid-infrared quantum cascade laser at λ ∼ 9 μ m

AU - Lu, Q. Y.

AU - Razeghi, M.

AU - Slivken, S.

AU - Bandyopadhyay, N.

AU - Bai, Y.

AU - Zhou, W. J.

AU - Chen, M.

AU - Heydari, D.

AU - Haddadi, A.

AU - McClintock, R.

AU - Amanti, M.

AU - Sirtori, C.

PY - 2015/2/2

Y1 - 2015/2/2

N2 - We investigate a frequency comb source based on a mid-infrared quantum cascade laser at λ ∼ 9 μm with high power output. A broad flat-top gain with near-zero group velocity dispersion has been engineered using a dual-core active region structure. This favors the locking of the dispersed Fabry-Pérot modes into equally spaced frequency lines via four wave mixing. A current range with a narrow intermode beating linewidth of 3 kHz is identified with a fast detector and spectrum analyzer. This range corresponds to a broad spectral coverage of 65 cm-1 and a high power output of 180 mW for ∼176 comb modes.

AB - We investigate a frequency comb source based on a mid-infrared quantum cascade laser at λ ∼ 9 μm with high power output. A broad flat-top gain with near-zero group velocity dispersion has been engineered using a dual-core active region structure. This favors the locking of the dispersed Fabry-Pérot modes into equally spaced frequency lines via four wave mixing. A current range with a narrow intermode beating linewidth of 3 kHz is identified with a fast detector and spectrum analyzer. This range corresponds to a broad spectral coverage of 65 cm-1 and a high power output of 180 mW for ∼176 comb modes.

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High power frequency comb based on mid-infrared quantum cascade laser at λ ∼ 9 μ m

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