Terahertz near-field nanoscopy based on detectorless laser feedback interferometry under different feedback regimes

Near-field imaging techniques, at terahertz frequencies (1–10 THz), conventionally rely on bulky laser sources and detectors. Here, we employ a semiconductor heterostructure laser as a THz source and, simultaneously, as a phase-sensitive detector, exploiting optical feedback interferometry combined...

Full description

Bibliographic Details
Main Authors: Eva A. A. Pogna, Carlo Silvestri, Lorenzo L. Columbo, Massimo Brambilla, Gaetano Scamarcio, Miriam S. Vitiello
Format: Article
Language:English
Published: AIP Publishing LLC 2021-06-01
Series:APL Photonics
Online Access:http://dx.doi.org/10.1063/5.0048099