6 citations · 31 across the 15 of their papers we have counts for
18 papers
Infrared photonics for healthcare: A roadmap for proactive and predictive health management
Borislav Hinkov, Johannes Kunsch, Werner Mäntele +82
The field of infrared (IR) photonics is currently undergoing remarkable progress, moving rapidly towards practical sensing applications demanded by medical therapy and diagnostics…
Short mode-locked pulses from planarized Y-coupled THz lasers
Urban Senica, Tabea Bühler, Sara Cibella +4
Short THz pulses are highly attractive both for fundamental research and practical applications in this underdeveloped region of the electromagnetic spectrum. Typically, THz pulses…
Epitaxial growth optimization, measurement and theoretical analysis of strain-compensated QCL grown on (511)A InP
Alessio Cargioli, Mattias Beck, Jerome Faist
Interface roughness scattering is an important limiting factor for achieving high performance Quantum Cascade Lasers. Following recent results, we study the growth conditions for a…
Free-Running Ring Quantum Cascade Laser with 50 kHz Linewidth
Alexandre Parriaux, Ina Heckelmann, Mathieu Bertrand +3
We report on the noise characterization of a free-running ring quantum cascade laser resonator emitting a single frequency mode around 7.7 m. Using a gas cell filled with NO…
Metasurface-Enhanced Mid-Infrared Imaging Spectroscopy with Broadband Quantum Cascade Lasers
Ivan Sinev, Alessio Cargioli, Diego Piciocchi +3
Mid-infrared (mid-IR) spectroscopy offers unparalleled opportunities in sensing through chemically specific detection of molecular absorption fingerprints. Yet, its practical appli…
Fast and compact time-resolved spectroscopy enabled by Quantum Walk Combs
Ina Heckelmann, Davide Pinto, Uwe Schmitt +2
Optical frequency combs paved the way for fast and compact multi-component optical chemical analysis due to their broadband spectra. Dual-comb spectrometers embody this technology,…
Time-resolved spectroscopy of noise-driven collective states of light
Diego Piciocchi, Ina Heckelmann, Alexander Dikopoltsev +6
We study a collective liquid state of light in a fast-gain laser. Controlled temporal noise on the cavity modulation creates a fluctuating linear potential along the synthetic freq…
Multi-mode Deep Strong Coupling in a Multi Quantum Well Fabry-Perot Cavity
Lucy Hale, Johan Andberger, Ethan Koskas +4
We present multi-mode deep-strong coupling in a multi-quantum well (N=166) heterostructure. The heterostructure itself acts as a Fabry-Perot cavity, for which the even cavity modes…
On-chip pulse generation at 8 μm wavelength
Annabelle Bricout, Mathieu Bertrand, Philipp Täschler +15
The mid-infrared spectral region holds growing importance for applications such as gas sensing and spectroscopy. Although compact ultrashort pulse laser sources are essential to en…
Integrated thin film lithium niobate mid-infrared modulator
Pierre Didier, Prakhar Jain, Mathieu Bertrand +7
The mid-infrared spectral range holds great promise for applications such as molecular spectroscopy and telecommunications. Many key molecules exhibit strong absorption features in…
Ultrafast Non-Hermitian Skin Effect
Barbara Schneider, Alexander Dikopoltsev, Markus Bestler +5
Topological phases of matter commonly feature protected states at their boundaries. Transferring this protection to time-metamaterials is extremely challenging, as it requires the…
Spectral shaping of fast-gain frequency combs through phases in synthetic dimensions
Diego Piciocchi, Alexander Dikopoltsev, Ina Heckelmann +3
Optical frequency comb devices have unlocked new capabilities in telecommunications, sensing, and metrology. Yet, precise in situ control of the comb spectral envelope remains extr…
Non-resonant Optical Injection Locking in Quantum Cascade Laser Frequency Combs
Alexandre Parriaux, Kenichi N. Komagata, Mathieu Bertrand +4
Optical injection locking of the repetition frequency of a quantum cascade laser frequency comb is demonstrated using an intensity modulated near-infrared light at 1.55 m illumi…
Continuously tunable coherent pulse generation in semiconductor lasers
Urban Senica, Michael A. Schreiber, Paolo Micheletti +4
In a laser, the control of its spectral emission depends on the physical dimensions of the optical resonator, limiting it to a set of discrete cavity modes at specific frequencies.…
A Quantum Walk Comb Source at Telecommunication Wavelengths
Bahareh Marzban, Lucius Miller, Alexander Dikopoltsev +3
We demonstrate a quantum walk comb in synthetic frequency space formed by externally modulating a semiconductor optical amplifier operating in the telecommunication wavelength rang…
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…
Coherence analysis of tightly locked mid-infrared quantum cascade laser frequency combs
Alexandre Parriaux, Kenichi N. Komagata, Mathieu Bertrand +3
Frequency combs are powerful tools for many applications and high performances are achieved by stabilizing these lasers. For operation in the mid-infrared, quantum cascade lasers (…
Impact of higher-order dispersion on frequency-modulated combs
Nikola Opačak, Barbara Schneider, Jérôme Faist +1
Frequency-modulated (FM) combs form spontaneously in free-running semiconductor lasers and possess a vast potential for spectroscopic applications. Despite recent progress in obtai…