We report robust single-mode operation of surface-emitting distributed-feedback terahertz quantum-cascade lasers in metal-metal waveguides. Grating devices span a range of 0.35THz around 2.9THz, with 149K maximum pulsed operating temperature, and >6mW continuous-wave power at 5K.
© 2007 OSA
S. Kumar, B. S. Williams, Q. Qin, A. W. M. Lee, Q. Hu, and J. L. Reno, "Single-Mode Surface-Emitting Terahertz Quantum-Cascade Lasers Operating up to ~ 150 K," in Conference on Lasers and Electro-Optics/Quantum Electronics and Laser Science Conference and Photonic Applications Systems Technologies, OSA Technical Digest (CD) (Optical Society of America, 2007), paper JWA137.
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