High Performance Interband Cascade Lasers With Room Temperature Lasing Wavelengths Near 3.3 μm

IF 2.3 3区工程技术 Q2 ENGINEERING, ELECTRICAL & ELECTRONIC

IEEE Photonics Technology Letters Pub Date : 2025-01-28 DOI:10.1109/LPT.2025.3535850

Yixuan Shen;Rui Q. Yang;Tetsuya D. Mishima;John D. Steward;Michael B. Santos;Xiaojun Wang

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引用次数: 0

Abstract

We report significant advancements of interband cascade lasers (ICLs) with hybrid cladding layers. These 6-stage hybrid-cladding ICLs were able to lase in pulsed modes at temperatures up to 421 K, the highest ever reported among ICLs. The lasing wavelength was near

$3.3~\mu $

m at 300 K with a pulsed threshold current density of 114 A/cm2, the lowest for ICLs with similar wavelengths. Also, they achieved a high voltage efficiency of ~82% and a record-low threshold input power density of 312 W/cm2 at 300 K. Facet-uncoated narrow-ridge ICLs operated in continuous wave (CW) mode at temperatures up to 364 K (91°C), which is more than 20 K higher than the previous record for epi-up mounted ICLs. The obtained CW threshold current density of 205 A/cm2 at 300 K is similar to the previous record (~200 A/cm2 at 300 K) achieved by a superlattice-cladding 10-stage ICL with emission near the long-held optimal wavelength of ICLs at

$3.6~\mu $

m. Also, these ICLs at 300 K delivered CW output power of 25 mW/facet at 160 mA with substantially improved external quantum efficiency over previous ICLs at similar wavelengths.

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来源期刊

IEEE Photonics Technology Letters 工程技术-工程：电子与电气

CiteScore

5.00

自引率

3.80%

发文量

404

审稿时长

2.0 months

期刊介绍： IEEE Photonics Technology Letters addresses all aspects of the IEEE Photonics Society Constitutional Field of Interest with emphasis on photonic/lightwave components and applications, laser physics and systems and laser/electro-optics technology. Examples of subject areas for the above areas of concentration are integrated optic and optoelectronic devices, high-power laser arrays (e.g. diode, CO2), free electron lasers, solid, state lasers, laser materials'' interactions and femtosecond laser techniques. The letters journal publishes engineering, applied physics and physics oriented papers. Emphasis is on rapid publication of timely manuscripts. A goal is to provide a focal point of quality engineering-oriented papers in the electro-optics field not found in other rapid-publication journals.