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

A. Rostami; B. Mirzaei; H. Baghban

doi:10.1117/12.851956

2 December 2009 Two-wavelength THz quantum cascade laser with highly enhanced temperature characteristics

A. Rostami, B. Mirzaei, H. Baghban

Proceedings Volume 7631, Optoelectronic Materials and Devices IV; 76310N (2009) https://doi.org/10.1117/12.851956
Event: Asia Communications and Photonics, 2009, Shanghai, Shanghai , China

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.

Citation Download Citation

A. Rostami, B. Mirzaei, and H. Baghban "Two-wavelength THz quantum cascade laser with highly enhanced temperature characteristics", Proc. SPIE 7631, Optoelectronic Materials and Devices IV, 76310N (2 December 2009); https://doi.org/10.1117/12.851956

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