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Bibliographische Detailangaben
Hauptverfasser: Silvestri, Carlo, Rakić, Aleksandar D., Indjin, Dragan, Khalatpour, Ali, Jirauschek, Christian, Demic, Aleksandar, Ikonic, Zoran, Dean, Paul, Vuković, Nikola, Radovanović, Jelena, Li, Lianhe, Linfield, Edmund, Jaidl, Michael, Unterrainer, Karl, Scalari, Giacomo, Faist, Jérôme, Columbo, Lorenzo Luigi, Brambilla, Massimo, Piccardo, Marco, Dhillon, Sukhdeep, Roy, Mithun, Burghoff, David, Bertling, Karl, Torniainen, Jari, Qi, Xiaoqiong, Taimre, Thomas, Spitz, Olivier, Grillot, Frédéric, Giglio, Marilena, Sampaolo, Angelo, Patimisco, Pietro, Spagnolo, Vincenzo, Pogna, Eva A. A., Guo, Xiao, Hillenbrand, Rainer, Liu, Mengkun, Brünig, Michael, Cernescu, Adrian, Govyadinov, Alexander A., Gabbrielli, Tecla, Pelini, Jacopo, La Penna, Irene, Sorgi, Alessia, De Natale, Paolo, Mazzotti, Davide, Galli, Iacopo, Consolino, Luigi, Cappelli, Francesco, Borri, Simone
Format: Preprint
Veröffentlicht: 2026
Schlagworte:
Optics
Online-Zugang:https://arxiv.org/abs/2602.17042
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Inhaltsangabe:
  • 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 photonics, becoming among the most reliable light sources in these regions of the electromagnetic spectrum. Their importance is further reinforced by their ability to generate self-starting optical frequency combs, whose investigation is motivated both by fundamental physics and by a wide range of applications, including molecular spectroscopy and free-space optical communications. This Roadmap provides a unified overview of current advances and emerging directions in QCL research. The chapters are organized into three main sections: device design and technology; frequency combs and pulse formation; and applications of QCLs. Each chapter reviews the relevant background, summarizes the current state of the art, and identifies key challenges and future directions within its specific research area.

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