Optomechanical response with nanometer resolution in the self-mixing signal of a terahertz quantum cascade laser

Optomechanical response with nanometer resolution in the self-mixing signal of a terahertz quantum cascade laser

Owing to their intrinsic stability against optical feedback (OF), quantum cascade lasers (QCLs) represent a uniquely versatile source to further improve self-mixing interferometry at mid-infrared and terahertz (THz) frequencies. Here, we show the feasibility of detecting with nanometer precision, th...

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Hauptverfasser: Ottomaniello, A, Keeley, J, Rubino, P, Li, L, Cecchini, M, Linfield, EH, Davies, AG, Dean, P, Pitanti, A, Tredicucci, A
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Sprache:eng
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Zusammenfassung:Owing to their intrinsic stability against optical feedback (OF), quantum cascade lasers (QCLs) represent a uniquely versatile source to further improve self-mixing interferometry at mid-infrared and terahertz (THz) frequencies. Here, we show the feasibility of detecting with nanometer precision, the deeply subwavelength ($ \lt \lambda /6000 $
DOI:10.1364/OL.44.005663