Probing THz intersubband absorption using Johnson noise thermometry

Probing THz intersubband absorption using Johnson noise thermometry

We investigate the THz intersubband absorption behavior of a single 40-nm wide GaAs/AlGaAs square quantum well (QW) using Johnson noise thermometry. In our measurements, the Johnson noise associated with intersubband absorption is measured from the in-plane conduction channel of the QW while its int...

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Bibliographic Details
Main Authors: Yoo Changyun, Sherwin Mark S., West Kenneth W., Pfeiffer Loren N., Kawamura Jonathan H., Karasik Boris S.
Format: Article
Language:English
Published: De Gruyter 2024-02-01
Series:Nanophotonics
Subjects:
thz intersubband transitions
johnson noise thermometry
tunable antenna-coupled intersubband terahertz (tacit) mixer
Online Access:https://doi.org/10.1515/nanoph-2023-0752
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https://doi.org/10.1515/nanoph-2023-0752

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