We report room temperature operation of current-injection quantum cascade lasers with spiral-shaped chaotic microresonators, capable of directional, single mode emission, operating in pulsed mode with peak optical power in excess of 10 mW.
© 2007 OSA
M. A. Belkin, R. M. Audet, J. A. Fan, F. Capasso, E. Narimanov, D. Bour, S. Corzine, J. Zhu, and G. Höfler, "Current Injection Spiral-Shaped Chaotic Microcavity Quantum Cascade Lasers," in Conference on Lasers and Electro-Optics/Quantum Electronics and Laser Science Conference and Photonic Applications Systems Technologies, OSA Technical Digest Series (CD) (Optical Society of America, 2007), paper CTuE4.