Single-mode, narrow-linewidth external cavity quantum cascade laser through optical feedback from a partial-reflector

Richard A. Cendejas; Mark C. Phillips; Tanya L. Myers; Matthew S. Taubman

doi:10.1364/OE.18.026037

Single-mode, narrow-linewidth external cavity quantum cascade laser through optical feedback from a partial-reflector

Richard A. Cendejas, Mark C. Phillips, Tanya L. Myers, Matthew S. Taubman

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

11 Scopus citations

Abstract

An external-cavity (EC) quantum cascade (QC) laser using optical feedback from a partial-reflector is reported. With this configuration, the otherwise multi-mode emission of a Fabry-Perot QC laser was made single-mode with optical output powers exceeding 40 mW. A mode-hop free tuning range of 2.46 cm ^-1 was achieved by synchronously tuning the EC length and QC laser current. The linewidth of the partial-reflector EC-QC laser was measured for integration times from 100 μs to 4 seconds, and compared to a distributed feedback QC laser. Linewidths as small as 480 kHz were recorded for the EC-QC laser.

Original language	English (US)
Pages (from-to)	26037-26045
Number of pages	9
Journal	Optics Express
Volume	18
Issue number	25
DOIs	https://doi.org/10.1364/OE.18.026037
State	Published - Dec 6 2010
Externally published	Yes

ASJC Scopus subject areas

Atomic and Molecular Physics, and Optics

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abstract = "An external-cavity (EC) quantum cascade (QC) laser using optical feedback from a partial-reflector is reported. With this configuration, the otherwise multi-mode emission of a Fabry-Perot QC laser was made single-mode with optical output powers exceeding 40 mW. A mode-hop free tuning range of 2.46 cm -1 was achieved by synchronously tuning the EC length and QC laser current. The linewidth of the partial-reflector EC-QC laser was measured for integration times from 100 μs to 4 seconds, and compared to a distributed feedback QC laser. Linewidths as small as 480 kHz were recorded for the EC-QC laser.",

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AU - Taubman, Matthew S.

PY - 2010/12/6

Y1 - 2010/12/6

N2 - An external-cavity (EC) quantum cascade (QC) laser using optical feedback from a partial-reflector is reported. With this configuration, the otherwise multi-mode emission of a Fabry-Perot QC laser was made single-mode with optical output powers exceeding 40 mW. A mode-hop free tuning range of 2.46 cm -1 was achieved by synchronously tuning the EC length and QC laser current. The linewidth of the partial-reflector EC-QC laser was measured for integration times from 100 μs to 4 seconds, and compared to a distributed feedback QC laser. Linewidths as small as 480 kHz were recorded for the EC-QC laser.

AB - An external-cavity (EC) quantum cascade (QC) laser using optical feedback from a partial-reflector is reported. With this configuration, the otherwise multi-mode emission of a Fabry-Perot QC laser was made single-mode with optical output powers exceeding 40 mW. A mode-hop free tuning range of 2.46 cm -1 was achieved by synchronously tuning the EC length and QC laser current. The linewidth of the partial-reflector EC-QC laser was measured for integration times from 100 μs to 4 seconds, and compared to a distributed feedback QC laser. Linewidths as small as 480 kHz were recorded for the EC-QC laser.

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Single-mode, narrow-linewidth external cavity quantum cascade laser through optical feedback from a partial-reflector

Abstract

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