Laser feedback interferometry: a tutorial on the self-mixing effect for coherent sensing
This tutorial presents a guided tour of laser feedback interferometry, from its origin and early
development through its implementation to a slew of sensing applications, including …
development through its implementation to a slew of sensing applications, including …
Terahertz imaging using quantum cascade lasers—a review of systems and applications
The terahertz (THz) frequency quantum cascade laser (QCL) is a compact source of THz
radiation offering high power, high spectral purity and moderate tunability. As such, these …
radiation offering high power, high spectral purity and moderate tunability. As such, these …
Phase-resolved terahertz self-detection near-field microscopy
At terahertz (THz) frequencies, scattering-type scanning near-field optical microscopy (s-
SNOM) based on continuous wave sources mostly relies on cryogenic and bulky detectors …
SNOM) based on continuous wave sources mostly relies on cryogenic and bulky detectors …
[HTML][HTML] Sensing and imaging using laser feedback interferometry with quantum cascade lasers
Quantum cascade lasers (QCLs) are high-power sources of coherent radiation in the
midinfrared and terahertz (THz) bands. Laser feedback interferometry (LFI) is one of the …
midinfrared and terahertz (THz) bands. Laser feedback interferometry (LFI) is one of the …
Self‐induced phase locking of terahertz frequency combs in a phase‐sensitive hyperspectral near‐field nanoscope
Chip‐scale, electrically‐pumped terahertz (THz) frequency‐combs (FCs) rely on nonlinear
four‐wave‐mixing processes, and have a nontrivial phase relationship between the evenly …
four‐wave‐mixing processes, and have a nontrivial phase relationship between the evenly …
[HTML][HTML] 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 …
bulky laser sources and detectors. Here, we employ a semiconductor heterostructure laser …
Recent developments of terahertz quantum cascade lasers
Terahertz (THz) quantum cascade lasers (QCLs) are semiconductor-based electrically
pumped laser sources that are based on electron transitions between the subbands in the …
pumped laser sources that are based on electron transitions between the subbands in the …
Holographic Nano‐Imaging of Terahertz Dirac Plasmon Polaritons in Topological Insulator Antenna Resonators
Excitation of Dirac plasmon polaritons (DPPs) in bi‐dimensional materials have attracted
considerable interest in recent years, both from perspectives of understanding their physics …
considerable interest in recent years, both from perspectives of understanding their physics …
Feedback regimes of lfi sensors: Experimental investigations
In this article, we revisit the concept of optical feedback regimes in diode lasers and explore
each regime experimentally from a somewhat unconventional point of view by relating the …
each regime experimentally from a somewhat unconventional point of view by relating the …
Imaging elastic waves in solids: how to use laser feedback interferometry to visualize them
The use of ultrasonic elastic waves is a well established technique for non-destructive
testing of materials and structures, in particular to exploit the interaction of waves with …
testing of materials and structures, in particular to exploit the interaction of waves with …