Quantum cascade laser roadmap
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arXiv
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| Format: | Preprint |
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2026
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| author | 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 |
| author_facet | 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 |
| contents | 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. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2602_17042 |
| institution | arXiv |
| publishDate | 2026 |
| record_format | arxiv |
| spellingShingle | Quantum cascade laser roadmap 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 Optics 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. |
| title | Quantum cascade laser roadmap |
| topic | Optics |
| url | https://arxiv.org/abs/2602.17042 |