Quantum cascade light-emitting diodes based on type-II quantum wells

C.H. Thompson Lin; Rui Q. Yang; Dongxu Zhang; Stefan J. Murry; Shin Shem Pei; Andrew A. Allerman; Steven R. Kurtz

doi:10.1117/12.273797

2 May 1997 Quantum cascade light-emitting diodes based on type-II quantum wells

C.H. Thompson Lin, Rui Q. Yang, Dongxu Zhang, Stefan J. Murry, Shin Shem Pei, Andrew A. Allerman, Steven R. Kurtz

Proceedings Volume 3001, In-Plane Semiconductor Lasers: from Ultraviolet to Midinfrared; (1997) https://doi.org/10.1117/12.273797
Event: Photonics West '97, 1997, San Jose, CA, United States

Abstract

We have demonstrated room-temperature CW operation of type- II quantum cascade (QC) light emitting diodes at 4.2 micrometers using InAs/InGaSb/InAlSb type-II quantum wells. The type-II QC configuration utilizes sequential multiple photon emissions in a staircase of coupled type-II quantum wells. The device was grown by molecular beam epitaxy on a p-type GaSb substrate and was composed of 20 periods of active regions separated by digitally graded quantum well injection regions. The maximum average output power is about 250 (mu) W at 80 K, and 140 (mu) W at 300 K at a repetition rate of 1 kHz with a duty cycle of 50%.

Citation Download Citation

C.H. Thompson Lin, Rui Q. Yang, Dongxu Zhang, Stefan J. Murry, Shin Shem Pei, Andrew A. Allerman, and Steven R. Kurtz "Quantum cascade light-emitting diodes based on type-II quantum wells", Proc. SPIE 3001, In-Plane Semiconductor Lasers: from Ultraviolet to Midinfrared, (2 May 1997); https://doi.org/10.1117/12.273797

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