Substrate-emitting quantum cascade lasers with a distributed Bragg reflector and a spectrally detuned second-order outcoupler

Demonstration of substrate-emitting quantum cascade lasers (QCLs) with a distributed Bragg reflector (DBR) used for wavelength selection and a second-order outcoupler spectrally detuned from the reflector is reported. A 40-stage QCL structure with the gain spectrum centered at 4.1 μm was processed i...

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Autores principales: Enrique Cristobal, Hong Shu, Arkadiy Lyakh
Formato: article
Lenguaje:EN
Publicado: AIP Publishing LLC 2021
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Acceso en línea:https://doaj.org/article/8fd08d2cffc34892b726bc2e46e050c2
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