Very low threshold InAs-based quantum cascade lasers

We present InAs-based quantum cascade lasers (QCLs) operating near 14 µm with a threshold current density as low as 630 A/cm 2 at room temperature, outperforming the best reported to date InP-based QCLs.

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Bibliographic Details
Main Authors: Kinjalk, K., Diaz-Thomas, D. Andres, Meguekam, A., Loghmari, Z., Bahriz, M., Teissier, R., Baranov, A.N.
Format: Conference Proceeding
Language:English
Subjects:
Optics
Quantum cascade lasers
Semiconductor lasers
Threshold current
Online Access:Request full text
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Description
Summary:We present InAs-based quantum cascade lasers (QCLs) operating near 14 µm with a threshold current density as low as 630 A/cm 2 at room temperature, outperforming the best reported to date InP-based QCLs.
ISSN:2642-5580
DOI:10.1109/ICLO54117.2022.9840243