Membrane-Mediated Conversion of Near-Infrared Amplitude Modulation into the Self-Mixing Signal of a Terahertz Quantum Cascade Laser

Membrane-Mediated Conversion of Near-Infrared Amplitude Modulation into the Self-Mixing Signal of a Terahertz Quantum Cascade Laser

A platform for converting near-infrared (NIR) laser power modulation into the self-mixing (SM) signal of a quantum cascade laser (QCL) operating at terahertz (THz) frequencies is introduced. This approach is based on laser feedback interferometry (LFI) with a THz QCL using a metal-coated silicon nit...

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Bibliographic Details
Main Authors: Paolo Vezio, Andrea Ottomaniello, Leonardo Vicarelli, Mohammed Salih, Lianhe Li, Edmund Linfield, Paul Dean, Virgilio Mattoli, Alessandro Pitanti, Alessandro Tredicucci
Format: Article
Language:English
Published: MDPI AG 2025-03-01
Series:Photonics
Subjects:
quantum cascade lasers
laser feedback interferometry
self-mixing
terahertz
signal conversion
optomechanics
Online Access:https://www.mdpi.com/2304-6732/12/3/273
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