activity
20132026
most citedUltra-fast amplitude modulation of mid-IR free-space beams at room-temperature

59 citations · 221 across the 12 of their papers we have counts for

collaborators

13 papers

physics.optics2026

Mid-IR single- and dual-electro-optic comb generation with an ultrafast modulator

Gia-Long Ngo, Luca Lucia, Stefano Pirotta +9

Mid-infrared (mid-IR) frequency combs are powerful tools for molecular sensing, industrial monitoring, and precision spectroscopy, yet their development beyond 5 um remains limited…

physics.optics2025★ 1 cited

Intersubband polariton -- LO phonon interaction in mid-infrared non-dispersive cavities: experimental demonstration of spontaneous scattering and perspectives towards polariton lasing

Paul Goulain, Mathieu Jeannin, Stefano Pirotta +5

We report experimental evidence of the interaction between intersubband polaritons and longitudinal optical phonons in non-dispersive mid-infrared cavities, under resonant optical…

physics.optics2025

Mid-infrared integrated resonators on a III-V platform with Q-factors beyond half a million

Luca Lucia, Gia Long Ngo, Mathilde Urbain +7

We demonstrate mid-IR integrated race-track resonators on a III-V semiconductor platform,InGaAs core epitaxially grown on InP. We have performed a complete characterization of the…

physics.app-ph2024★ 9 cited

Ultrafast (10 GHz) mid-IR modulator based on ultra-fast electrical switching of the light-matter coupling

Mario Malerba, Stefano Pirotta, Guy Aubin +12

We demonstrate a free-space amplitude modulator for mid-infrared radiation (lambda=9.6 um) that operates at room temperature up to at least 20 GHz (above the -3dB cutoff frequency…

physics.optics2023★ 14 cited

THz ultra-strong light-matter coupling up to 200K with continuously-graded parabolic quantum wells

Paul Goulain, Chris Deimert, Mathieu Jeannin +5

Continuously graded parabolic quantum wells with excellent optical performances are used to overcome the low-frequency and thermal limitations of square quantum wells at terahertz…

physics.optics2022★ 16 cited

Low intensity saturation of an ISB transition by a mid-IR quantum cascade laser

Mathieu Jeannin, Eduardo Cosentino, Stefano Pirotta +4

We demonstrate that absorption saturation of a mid-infrared intersubband transition can be engineered to occur at moderate light intensities of the order of 10-20 kWcm an…

physics.app-ph2021★ 4 cited

A "Janus" double sided mid-IR photodetector based on a MIM architecture

Mario Malerba, Mathieu Jeannin, Stefano Pirotta +6

We present a mid-IR ( 8.3 m) quantum well infrared photodetector (QWIP) fabricated on a mid-IR transparent substrate, allowing photodetection with illumination from ei…

physics.app-ph2020

Ultra-fast quantum-well infared photodetectors operating at 10μm with flat response up to 70GHz at room temperature

M. Hakl, Q. Y. Lin, S. Lepillet +9

III-V semiconductor mid-infrared photodetectors based on intersubband transitions hold a great potential for ultra-high-speed operation up to several hundreds of GHz. In this work…

physics.optics2020★ 59 cited

Ultra-fast amplitude modulation of mid-IR free-space beams at room-temperature

Stefano Pirotta, Ngoc-Linh Tran, Giorgio Biasiol +5

Applications relying on mid-infrared radiation (Mid-IR, 3-30 m) have progressed at a very rapid pace in recent years, stimulated by scientific and technological breakthr…

physics.app-ph2018★ 26 cited

Ultrafast terahertz detectors based on three-dimensional meta-atoms

B. Paulillo, S. Pirotta, H. Nong +8

Terahertz (THz) and sub-THz frequency emitter and detector technologies are receiving increasing attention, underpinned by emerging applications in ultra-fast THz physics, frequenc…

quant-ph2016

Energy correlations of photon pairs generated by a silicon microring resonator probed by Stimulated Four Wave Mixing

Davide Grassani, Angelica Simbula, Stefano Pirotta +8

Compact silicon integrated devices, such as micro-ring resonators, have recently been demonstrated as efficient sources of quantum correlated photon pairs. The mass production of i…

cond-mat.mes-hall2014★ 41 cited

Room temperature Bloch surface wave polaritons

Giovanni Lerario, Alessandro Cannavale, Dario Ballarini +6

Polaritons are hybrid light-matter quasi-particles that have gathered a significant attention for their capability to show room temperature and out-of-equilibrium Bose-Einstein con…

cond-mat.mes-hall2013★ 51 cited

Strong coupling between excitons in organic semiconductors and Bloch Surface Waves

Stefano Pirotta, Maddalena Patrini, Marco Liscidini +6

We report on the strong coupling between the Bloch surface wave supported by an inorganic multilayer structure and -aggregate excitons in an organic semiconductor. The dispersio…