436 citations · 1.4k across the 27 of their papers we have counts for
28 papers
Ultra-sensitive heterodyne detection at room temperature in the atmospheric windows
Mohammadreza Saemian, Livia Del Balzo, Djamal Gacemi +9
We report room temperature heterodyne detection of a quantum cascade laser beaten with a local oscillator on a unipolar quantum photodetector in two different atmospheric windows,…
Highly coherent phase-lock of an 8.1 m quantum cascade laser to a turn-key mid-IR frequency comb
B. Chomet, D. Gacemi, O. Lopez +5
A continuous-wave Fabry-Perot quantum cascade laser (QCL) emitting at 8.1 m operating in the single mode regime has been coherently phase locked to a turn-key low-noise commerci…
Phonon-mediated dark to bright plasmon conversion
Benjamin Rousseaux, Yanko Todorov, Angela Vasanelli +1
The optical response of a matter excitation embedded in nanophotonic devices is commonly described by the Drude-Lorentz model. Here, we demonstrate that this widely used approach f…
10 Gbit/s free space data transmission at 9 m wavelength with unipolar quantum optoelectronics
Hamza Dely, Thomas Bonazzi, Olivier Spitz +12
The realization of high-frequency unipolar quantum optoelectronic devices enables the demonstration of high bitrate free space data transmission in the second atmospheric window. D…
High temperature metamaterial terahertz quantum detector
Mathieu Jeannin, Thomas Bonazzi, Djamal Gacemi +7
We demonstrate a high temperature performance quantum detector of Terahertz (THz) radiation based on three-dimensional metamaterial. The metamaterial unit cell consists of an induc…
Semiconductor quantum plasmons for high frequency thermal emission
Angela Vasanelli, Yanko Todorov, Baptiste Dailly +5
Plasmons in heavily doped semiconductor layers are optically active excitations with sharp resonances in the 5-15 um wavelength region set by the doping level and the effective mas…
Long-wavelength infrared photovoltaic heterodyne receivers using patch-antenna quantum cascade detectors
Azzurra Bigioli, Giovanni Armaroli, Angela Vasanelli +7
Quantum cascade detectors (QCD) are unipolar infrared devices where the transport of the photo excited carriers takes place through confined electronic states, without an applied b…
Semiconductor quantum plasmonics
Angela Vasanelli, Simon Huppert, Andrew Haky +3
We investigate the frontier between classical and quantum plasmonics in highly doped semiconductor layers. The choice of a semiconductor platform instead of metals for our study pe…
Quantum Theory of Multisubband Plasmon-Phonon Coupling
Sofia Ribeiro, Angela Vasanelli, Yanko Todorov +1
We present a theoretical description of the coupling between longitudinal optical phonons and collective excitations of a two-dimensional electron gas. By diagonalizing the Hamilto…
Mixing properties of room temperature patch-antenna receivers in a mid-infrared (9um) heterodyne system
A. Bigioli, D. Gacemi, D. Palaferri +10
A room-temperature mid-infrared (9 um) heterodyne system based on high-performance unipolar optoelectronic devices is presented. The local oscillator (LO) is a quantum cascade lase…
Ultra-Strong Light-Matter Coupling in Deeply Subwavelength THz LC resonators
Mathieu Jeannin, Giacomo Mariotti Nesurini, Stéphan Suffit +7
The ultra-strong light-matter coupling regime has been demonstrated in a novel three-dimensional inductor-capacitor (LC) circuit resonator, embedding a semiconductor two-dimensiona…
Room temperature 9 m photodetectors and GHz heterodyne receivers
Daniele Palaferri, Yanko Todorov, Azzurra Bigioli +11
Room temperature operation is mandatory for any optoelectronics technology which aims to provide low-cost compact systems for widespread applications. In recent years, an important…
Single photon superradiance and cooperative Lamb shift in an optoelectronic device
Giulia Frucci, Simon Huppert, Angela Vasanelli +5
Single photon superradiance is a strong enhancement of spontaneous emission appearing when a single excitation is shared between a large number of two-level systems. This enhanced…
Strong and ultra-strong coupling with free space radiation
Simon Huppert, Angela Vasanelli, Giulia Pegolotti +2
Strong and ultra-strong light-matter coupling are remarkable phenomena of quantum electrodynamics occurring when the interaction between a matter excitation and the electromagnetic…
Optomechanical THz detection with a sub-wavelength resonator
Cherif Belacel, Yanko Todorov, Stefano Barbieri +3
The terahertz (THz) spectral domain offers a myriad of applications spanning chemical spectroscopy, medicine, security and imaging[1]. It has also recently become a playground for…
Output squeezed radiation from dispersive ultrastrong light-matter coupling
S. Fedortchenko, S. Huppert, A. Vasanelli +6
We investigate the output generation of squeezed radiation of a cavity photon mode coupled to another off-resonant bosonic excitation. By modulating in time their linear interactio…
Radiatively broadened thermal emitters
Simon Huppert, Angela Vasanelli, Thibault Laurent +5
We study the incandescence of a semiconductor system characterized by a radiatively broadened material excitation. We show that the shape of the emission spectrum and the peak emis…
Quantum model of coupled intersubband plasmons
Giulia Pegolotti, Angela Vasanelli, Yanko Todorov +1
We present a quantum model to calculate the dipole-dipole coupling between electronic excitations in the conduction band of semiconductor quantum wells. We demonstrate that the cou…
Gate controlled coupling of intersubband plasmons
Aymeric Delteil, Angela Vasanelli, Yanko Todorov +4
The optical response of a heavily doped quantum well, with two occupied subbands, has been investigated as a function of the electronic density. It is shown that the two optically…
Intersubband electroluminescent devices operating in the strong coupling regime
Pierre Jouy, Angela Vasanelli, Yanko Todorov +4
We present a detailed study of the electroluminescence of intersubband devices operating in the light-matter strong coupling regime. The devices have been characterized by performi…
Optical properties of metal-dielectric-metal microcavities in the THz frequency range
Yanko Todorov, Lorenzo Tosetto, Jean Teissier +6
We present an experimental and theoretical study of the optical properties of metal-dielectric-metal structures with patterned top metallic surfaces, in the THz frequency range. Wh…
Ultra-Strong Light-Matter Coupling Regime with Polariton Dots
Yanko Todorov, Aaron Maxwell Andrews, Raffaele Colombell +5
The regime of ultrastrong light-matter interaction has been investigated theoretically and experimentally, using zero-dimensional electromagnetic resonators coupled with an electro…
Intersubband Polaritons in the Electrical Dipole Gauge
Yanko Todorov, Carlo Sirtori
We provide a theoretical description for the coupling between the intersubband excitations of a bi-dimensional electron gas with the electromagnetic field. This description, based…
Polaritonic spectroscopy of intersubband transitions
Yanko Todorov, Lorenzo Tosetto, Aymeric Delteil +4
We report on an extensive experimental study of intersubband excitations in the THz range arising from the coupling between a quantum well and a zero-dimensional metal-metal microc…