Square Wave Emission in a Mid-infrared Quantum Cascade Oscillator Under Rotated Polarization

O Spitz (1, 2, 3) , A Herdt (4) , M. Carras (1) , W Elsässer (4) , F. Grillot (5, 2, 3)

1 MirSense
2 GTO - Télécommunications Optiques
3 COMELEC - Département Communications & Electronique
4 TU Darmstadt - Technische Universität Darmstadt - Technical University of Darmstadt
5 The University of New Mexico [Albuquerque]

Quantum cascade lasers, which are known to only emit a transverse-magnetic wave under free-running operation, can output a square wave with transverse-electric emission under polarization-rotated feedback.

Domains: Optics / Photonic

O Spitz, A Herdt, M. Carras, W Elsässer, F. Grillot. Square Wave Emission in a Mid-infrared Quantum Cascade Oscillator Under Rotated Polarization. Conference on Lasers and Electro-Optics, May 2019, San José, United States. ⟨10.1364/CLEO_SI.2019.SW3N.2⟩. ⟨hal-02342883⟩