112 citations · 658 across the 18 of their papers we have counts for
21 papers
Quantum cascade laser roadmap
Carlo Silvestri, Aleksandar D. Rakić, Dragan Indjin +46
Quantum cascade lasers (QCLs) are unipolar semiconductor lasers first demonstrated in 1994. Since then, they have played a central role in advancing mid-infrared and terahertz phot…
Electron-to-photon noise transfer in mid-infrared semiconductor lasers
Irene La Penna, Tecla Gabbrielli, Borislav Hinkov +8
Noise characteristics of state-of-the art light sources are crucial parameters in understanding their limitations towards quantum applications. This work describes a method to stud…
Frequency and intensity noise of a grating-tuned external-cavity quantum cascade laser
Irene La Penna, Tecla Gabbrielli, Cristina Rimoldi +6
Quantum cascade lasers (QCLs) are semiconductor-heterostructure devices known for their emission in the mid-infrared and THz spectral regions. Due to their operating regime, their…
Shot-noise-limited emission from interband and quantum cascade lasers
Tecla Gabbrielli, Jacopo Pelini, Georg Marschick +12
The intensity noise of a laser source represents one of the key factors limiting the ultimate sensitivity in laser-based systems for sensing and telecommunication. For advanced app…
Characterization of noise regimes in Mid-IR free-space optical communication based on quantum cascade lasers
Marco Seminara, Tecla Gabbrielli, Nicola Corrias +6
The recent development of Quantum Cascade Lasers (QCLs) represents one of the biggest opportunities for the deployment of a new class of Free Space Optical (FSO) communication syst…
Intensity correlations in quantum cascade laser harmonic frequency combs
Tecla Gabbrielli, Natalia Bruno, Nicola Corrias +10
A novel study on harmonic frequency combs emitted by Quantum Cascade Lasers (QCLs) is here presented, demonstrating the presence of intensity correlations between twin modes charac…
Analog FM free-space optical communication based on a mid-infrared quantum cascade laser frequency comb
Nicola Corrias, Tecla Gabbrielli, Paolo De Natale +2
Quantum cascade laser frequency combs are nowadays well-appreciated sources for infrared spectroscopy. Here their applicability for free-space optical communication is demonstrated…
Quantum simulating the electron transport in quantum cascade laser structures
Andrea Trombettoni, Francesco Scazza, Francesco Minardi +5
We propose to use ultracold fermionic atoms in one-dimensional optical lattices to quantum simulate the electronic transport in quantum cascade laser (QCL) structures. The competit…
Direct observation of terahertz frequency comb generationin difference-frequency quantum cascade lasers
Luigi Consolino, Malik Nafa, Michele De Regis +8
Terahertz quantum cascade laser sources based on intra-cavity difference frequency generation from mid-IR devices are an important asset for applications in rotational molecular sp…
Controlling and Phase-Locking a THz Quantum Cascade Laser Frequency Comb by Small Optical Frequency Tuning
L. Consolino, A. Campa, M. De Regis +7
Full phase control of THz emitting quantum cascade laser (QCL) combs has recently been demonstrated, opening new perspectives for even the most demanding applications. In this fram…
Quantum Cascade Laser Based Hybrid Dual Comb Spectrometer
Luigi Consolino, Malik Nafa, Michele De Regis +9
Four-wave-mixing-based quantum cascade laser frequency combs (QCL-FC) are a powerful photonic tool, driving a recent revolution in major molecular fingerprint regions, i.e. mid- an…
Phase analysis and full phase control of chip-scale infrared frequency combs
Luigi Consolino, Francesco Cappelli, Pablo Cancio +4
The road towards the realization of quantum cascade laser (QCL) frequency combs (QCL-combs) has undoubtedly attracted ubiquitous attention from the scientific community, as these d…
Retrieval of phase relation and emission profile of quantum cascade laser frequency combs
Francesco Cappelli, Luigi Consolino, Giulio Campo +12
The major development recently undergone by quantum cascade lasers has effectively extended frequency comb emission to longer-wavelength spectral regions, i.e. the mid and far infr…
Room-Temperature Continuous-Wave Frequency-Referenced Spectrometer up to 7.5 THz
Michele De Regis, Saverio Bartalini, Marco Ravaro +3
The lack of coherent room-temperature sources in the whole terahertz spectral window (0.3-10 THz) has significantly hampered the growth of scientific and technological applications…
Bow-Tie Cavity for Terahertz Radiation
Luigi Consolino, Annamaria Campa, Davide Mazzotti +3
We report on the development, testing, and performance analysis of a bow-tie resonant cavity for terahertz (THz) radiation, injected with a continuous-wave 2.55 THz quantum cascade…
Waveguided Approach for Difference Frequency Generation of Broadly-Tunable Continuous-Wave Terahertz Radiation
Michele De Regis, Luigi Consolino, Saverio Bartalini +1
The 1-10 terahertz (THz) spectral window is emerging as a key region for plenty of applications, requiring not yet available continuous-wave room-temperature THz spectrometers with…
QCL-based frequency metrology from the mid-infrared to the THz range: a review
Luigi Consolino, Francesco Cappelli, Mario Siciliani de Cumis +1
Quantum cascade lasers (QCLs) are becoming a key tool for plenty of applications, from the mid-infrared (mid-IR) to the THz range. Progress in related areas, such as the developmen…
Fully phase-stabilized quantum cascade laser frequency comb
Luigi Consolino, Malik Nafa, Francesco Cappelli +8
Optical frequency comb synthesizers (FCs) [1] are laser sources covering a broad spectral range with a number of discrete, equally spaced and highly coherent frequency components,…
High dynamic range, heterogeneous, terahertz quantum cascade lasers featuring thermally-tunable frequency comb operation over a broad current range
Katia Garrasi, Francesco P. Mezzapesa, Luca Salemi +7
We report on the engineering of broadband quantum cascade lasers (QCLs) emitting at Terahertz (THz) frequencies, which exploit a heterogeneous active region scheme and have a curre…
Unveiling spectral purity and tunability of terahertz quantum cascade laser sources based on intra-cavity difference frequency generation
Luigi Consolino, Seungyong Jung, Annamaria Campa +10
Terahertz sources based on intra-cavity difference-frequency generation in mid-infrared quantum cascade lasers (THz DFG-QCLs) have recently emerged as the first monolithic electric…
Frequency metrology of helium around 1083 nm and determination of the nuclear charge radius
P. Cancio Pastor, L. Consolino, G. Giusfredi +4
We measure the absolute frequency of seven out of the nine allowed transitions between the 2{\it S} and 2{\it P} hyperfine manifolds in a metastable He beam by using an…