Frequency tracking and stabilization of a tunable dual-wavelength external-cavity diode laser

Long Hsu; L. C. Chi; S. C. Wang; Ci Ling Pan

doi:10.1109/CLEO.1998.676101

Frequency tracking and stabilization of a tunable dual-wavelength external-cavity diode laser

Long Hsu^*, L. C. Chi, S. C. Wang, Ci Ling Pan

^*Corresponding author for this work

Department of Electrophysics

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

5 Scopus citations

Abstract

We show a unique dual-wavelength external-cavity laser diode with frequency tracking capability and obtain a stable beat frequency between the dual-wavelength output. By using a Fabry-Perot interferometer as the frequency discriminator and the time-gating technique in a servo loop, the peak-to-peak frequency fluctuations were stabilized, with respect to the Fabry-Perot cavity, to 86 kHz in the dual-wavelength output at 802.5 and 804.5 nm, and to 17 kHz in their 0.9 THz beat signal. Similar performance was achieved for tuning of the dual wavelength separation ranging from 0.2 to 4 nm.

Original language	English
Pages (from-to)	195-200
Number of pages	6
Journal	Optics Communications
Volume	168
Issue number	1
DOIs	https://doi.org/10.1109/CLEO.1998.676101
State	Published - 1 Sep 1999

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author = "Long Hsu and Chi, {L. C.} and Wang, {S. C.} and Pan, {Ci Ling}",

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AU - Hsu, Long

AU - Chi, L. C.

AU - Wang, S. C.

AU - Pan, Ci Ling

PY - 1999/9/1

Y1 - 1999/9/1

N2 - We show a unique dual-wavelength external-cavity laser diode with frequency tracking capability and obtain a stable beat frequency between the dual-wavelength output. By using a Fabry-Perot interferometer as the frequency discriminator and the time-gating technique in a servo loop, the peak-to-peak frequency fluctuations were stabilized, with respect to the Fabry-Perot cavity, to 86 kHz in the dual-wavelength output at 802.5 and 804.5 nm, and to 17 kHz in their 0.9 THz beat signal. Similar performance was achieved for tuning of the dual wavelength separation ranging from 0.2 to 4 nm.

AB - We show a unique dual-wavelength external-cavity laser diode with frequency tracking capability and obtain a stable beat frequency between the dual-wavelength output. By using a Fabry-Perot interferometer as the frequency discriminator and the time-gating technique in a servo loop, the peak-to-peak frequency fluctuations were stabilized, with respect to the Fabry-Perot cavity, to 86 kHz in the dual-wavelength output at 802.5 and 804.5 nm, and to 17 kHz in their 0.9 THz beat signal. Similar performance was achieved for tuning of the dual wavelength separation ranging from 0.2 to 4 nm.

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JO - Optics Communications

JF - Optics Communications

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Frequency tracking and stabilization of a tunable dual-wavelength external-cavity diode laser

Abstract

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