23 December 2017 High-temperature and low-threshold interband cascade lasers at wavelengths longer than <inline-formula< <mml:math display="inline" xmlns:mml="http://www.w3.org/1998/Math/MathML"< <mml:mrow< <mml:mn<6</mml:mn< <mml:mtext<  </mml:mtext< <mml:mi<μ</mml:mi< <mml:mi mathvariant="normal"<m</mml:mi< </mml:mrow< </mml:math< </inline-formula<
Author Affiliations +
Abstract
InAs-based interband cascade (IC) lasers with improved optical confinement have achieved high-temperature operation with a threshold current density as low as 333    A / cm 2 at 300 K for emission at 6003 nm. The threshold current density is the lowest ever reported among semiconductor midinfrared lasers at similar wavelengths. These InAs-based IC devices lased in pulsed mode at temperatures up to 357 K near 6.28    μ m . A narrow-ridge device was able to operate in continuous-wave mode at temperatures up to 293 K at 6.01    μ m .
© 2017 Society of Photo-Optical Instrumentation Engineers (SPIE)
S. M. Shazzad Rassel, Lu Li, Yiyun Li, Rui Q. Yang, James A. Gupta, Xiaohua Wu, Geof C. Aers, "High-temperature and low-threshold interband cascade lasers at wavelengths longer than <inline-formula< <mml:math display="inline" xmlns:mml="http://www.w3.org/1998/Math/MathML"< <mml:mrow< <mml:mn<6</mml:mn< <mml:mtext<  </mml:mtext< <mml:mi<μ</mml:mi< <mml:mi mathvariant="normal"<m</mml:mi< </mml:mrow< </mml:math< </inline-formula<," Optical Engineering 57(1), 011021 (23 December 2017). https://doi.org/10.1117/1.OE.57.1.011021 . Submission: Received: 20 October 2017; Accepted: 5 December 2017
Received: 20 October 2017; Accepted: 5 December 2017; Published: 23 December 2017
JOURNAL ARTICLE
4 PAGES


SHARE
Back to Top