GaAs/AlGaAs based quantum Bragg mirror detector

Germano Maioli Penello,Pedro Henrique Pereira,Guilherme Monteiro Torelly, Fernando Massa Fernandes, James Rushing, Jacob A. Tenorio,Paul Simmonds, Alain Andre Quivy

2023 37th Symposium on Microelectronics Technology and Devices (SBMicro)(2023)

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Abstract
In this work we present a far-infrared asymmetric quantum Bragg mirror detector (QBMD) based on GaAs/AlGaAs. The heterostructure is designed to explore a transition at 111 meV (11,2 mu m) between the ground state and a leaky electronic state in the continuum. The calculated photovoltaic photocurrent shows a good agreement with the expected absorption.
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Key words
Quantum Bragg mirror detector,far-infrared,III-V semiconductors,leaky electronic state,quasi-bound state in the continuum
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