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Showing 1–14 of 14 results
Advanced filters: Author: Giacomo Scalari Clear advanced filters

  • A polariton is a hybrid excitation resulting from strong light–matter coupling. The magneto-transport measurements have now revealed the crucial role played by its electronic component.

    • Gian L. Paravicini-Bagliani
    • Felice Appugliese
    • Jérôme Faist
    Research
    Nature Physics
    Volume: 15, P: 186-190

  • The authors report a semiconductor injection laser with a continuous wave emission spanning more than one octave, from 1.64 THz to 3.35 THz, with optical powers in the milliwatt range and more than 80 modes above threshold.

    • Markus Rösch
    • Giacomo Scalari
    • Jérôme Faist
    Research
    Nature Photonics
    Volume: 9, P: 42-47

  • Using a system to adjust the strength of cavity vacuum fields penetrating a Hall bar, a study describes the effect of the vacuum field of a cavity on electronic correlations in quantum Hall systems.

    • Josefine Enkner
    • Lorenzo Graziotto
    • Jérôme Faist
    ResearchOpen Access
    Nature
    Volume: 641, P: 884-889

  • Synthetic dimensions allow photons and gauge fields to interact in photonic emulators. Now a study with fast-gain lasers shows that gain-driven coherence enables robust light flow in frequency space, establishing it as a viable platform for lattice emulation.

    • Alexander Dikopoltsev
    • Ina Heckelmann
    • Jérôme Faist
    ResearchOpen Access
    Nature Physics
    Volume: 21, P: 1134-1140

  • By combining an asymmetric immersion lens setup and a complementary resonating metasurface, the authors are able to resolve the far-field transmission of an ultrastrongly coupled, highly subwavelength split-ring single resonator at millimeter wavelengths.

    • Shima Rajabali
    • Sergej Markmann
    • Giacomo Scalari
    ResearchOpen Access
    Nature Communications
    Volume: 13, P: 1-8

  • Electro-optic detection in a nonlinear crystal is used to measure coherence properties of vacuum fluctuations of the electromagnetic field and deduce the spectrum of the ground state of electromagnetic radiation.

    • Ileana-Cristina Benea-Chelmus
    • Francesca Fabiana Settembrini
    • Jérôme Faist
    Research
    Nature
    Volume: 568, P: 202-206

  • Extreme electromagnetic field confinement in polaritonic systems is demonstrated. The tight fields can excite magnetoplasmons and result in nonlocal phenomena.

    • Shima Rajabali
    • Erika Cortese
    • Giacomo Scalari
    Research
    Nature Photonics
    Volume: 15, P: 690-695

  • The combined technique of dual-comb multi-heterodyne detection and Fourier-transform analysis allows simultaneous acquisition and monitoring of the phase pattern of a generic frequency comb demonstrating the high degree of coherence of the emission of two quantum cascade laser frequency combs.

    • Francesco Cappelli
    • Luigi Consolino
    • Saverio Bartalini
    Research
    Nature Photonics
    Volume: 13, P: 562-568

  • Fast and high-resolution Fourier transform spectrometers are indispensable for cutting-edge infrared spectroscopy. In this study, the authors employed a newly-designed fast-rotating retroreflective, broadband delay line demonstrating fast dual-comb spectroscopy with a single mid-infrared optical comb from a quantum cascade laser emitting at 8 micrometers.

    • Sergej Markmann
    • Martin Franckié
    • Giacomo Scalari
    ResearchOpen Access
    Communications Physics
    Volume: 6, P: 1-12

  • We present a high-performance integrated platform for broadband active and passive coherent photonics based on planarized THz quantum cascade lasers, featuring low losses and improved dispersion, RF and thermal properties.

    • Urban Senica
    • Andres Forrer
    • Giacomo Scalari
    ResearchOpen Access
    Light: Science & Applications
    Volume: 11, P: 1-11

  • The 30-years development of quantum cascade lasers has established them as a go-to source of coherent radiation in the Mid-IR and THz ranges. In this comment, the authors guide the reader through the landmark achievements of this technology, from a lab curiosity to a mature technology adopted by research groups and companies.

    • Giacomo Scalari
    • Jérôme Faist
    Comments & OpinionOpen Access
    Communications Physics
    Volume: 7, P: 1-3