Optical parametric amplification of a distributed-feedback quantum-cascade laser in orientation-patterned GaAs

We demonstrate what is to our knowledge the first realization of an optical parametric amplifier in orientation-patterned GaAs amplifying the emission of a quantum-cascade laser (QCL) with a distributed-feedback (DFB) structure. We report a gain as high as 53 dB at 4.5 mum, in good agreement with th...

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Bibliographic Details
Published in:Optics letters 2010-02, Vol.35 (4), p.505-507
Main Authors: BLOOM, Guillaume, GRISARD, Arnaud, LAILIER, Eric, LARAT, Christian, CARRAS, Mathieu, MARCADET, Xavier
Format: Article
Language:English
Subjects:
Exact sciences and technology
Fundamental areas of phenomenology (including applications)
Lasers
Nonlinear optics
Optical parametric oscillators and amplifiers
Optics
Physics
Semiconductor lasers
laser diodes
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Summary:We demonstrate what is to our knowledge the first realization of an optical parametric amplifier in orientation-patterned GaAs amplifying the emission of a quantum-cascade laser (QCL) with a distributed-feedback (DFB) structure. We report a gain as high as 53 dB at 4.5 mum, in good agreement with theoretical calculations. The narrow spectral linewidth and the good beam quality of this source are imposed by the DFB-QCL, while high-peak-power emission is achieved through the parametric amplification. These characteristics are of valuable interest for long-range spectroscopy.
ISSN:0146-9592
1539-4794
DOI:10.1364/OL.35.000505