Short Terahertz Pulse Generation from a Dispersion Compensated Modelocked Semiconductor Laser (Laser Photonics Rev. 11(4)/2017)

Feihu Wang, Hanond Nong, Tobias Fobbe, Valentino Pistore, Sarah Houver, Sergej Markmann, Nathan Jukam, Maria Amanti, Carlo Sirtori, Souad Moumdji, Raffaele Colombelli, Lianhe Li, Edmund Linfield, Giles Davies, Juliette Mangeney, Jérôme Tignon, Sukhdeep Dhillon

Index: 10.1002/lpor.201770042

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Abstract

In the terahertz (THz) frequency range, a semiconductor-based technology for ultra-short pulse generation has yet to be realized. Here, a novel dispersion compensation scheme is applied to THz Quantum Cascade Lasers, based on an on-chip integration of a Gires-Tournois Interferometer, greatly reducing the THz pulse duration to a few optical cycles.