Temperature performance analysis of terahertz quantum cascade lasers: Vertical versus diagonal designs

Details Temperature performance analysis of terahertz quantum cascade lasers: Vertical versus diagonal designs Temperature performance analysis of terahertz quantum cascade lasers: Vertical versus diagonal designs

2011-06-16

arxiv.org/abs/1106.3213v1

Appl. Phys. Lett. 96, 201110 (2010)

Physics

Condensed Matter

Mesoscale and Nanoscale Physics

Scientific paper

10.1063/1.3430741

Resonant phonon depopulation terahertz quantum cascade lasers based on vertical and diagonal lasing transitions are systematically compared using a well established ensemble Monte Carlo approach. The analysis shows that for operating temperatures below 200 K, diagonal designs may offer superior temperature performance at lasing frequencies of about 3.5 THz and above; however, vertical structures are more advantageous for good temperature performance at lower frequencies.

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