Two-wavelength THz quantum cascade laser with highly enhanced temperature characteristics

A. Rostami; B. Mirzaei; H. Baghban

doi:10.1364/ACP.2009.WJ5

Asia Communications and Photonics Conference and Exhibition
Technical Digest (CD) (Optica Publishing Group, 2009),
paper WJ5
•https://doi.org/10.1364/ACP.2009.WJ5

Two-wavelength THz quantum cascade laser with highly enhanced temperature characteristics

A. Rostami, B. Mirzaei, and H. Baghban

Asia Communications and Photonics Conference and Exhibition 2009

Shanghai China
2–6 November 2009
ISBN: 978-1-55752-877-3

From the session
Mid-Infrared and THz Devices (WJ)

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A. Rostami, B. Mirzaei, and H. Baghban, "Two-wavelength THz quantum cascade laser with highly enhanced temperature characteristics," in Asia Communications and Photonics Conference and Exhibition, Technical Digest (CD) (Optica Publishing Group, 2009), paper WJ5.

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Abstract

We demonstrate a novel THz quantum cascade laser (QCL), emitting at two widely separated wavelengths 33 μm, 51 μm, simultaneously, based on GaN/AlGaN quantum wells. The large LO-phonon energy (~ 90 meV) and ultrafast resonant phonon depopulation of lower radiative levels lead to an excellently enhancement in operating temperature.

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