We report the pulsed, room-temperature operation of a surface-plasmon quantum cascade laser at an operating wavelength of approximately 7.5µm. Improved performance of the surface-plasmon waveguide has been obtained by using silver as a plasmon-carrying layer.
© 2006 Optical Society of America
(140.0140) Lasers and laser optics : Lasers and laser optics
(140.5960) Lasers and laser optics : Semiconductor lasers
(240.0240) Optics at surfaces : Optics at surfaces
(240.6680) Optics at surfaces : Surface plasmons
M. Bahriz, V. Moreau, D. Austin, D. G. Revin, J. Palomo, A. B. Krysa, J. W. Cockburn, J. S. Roberts, L. R. Wilson, and R. Colombelli, "All-Electrical, Room Temperature Surface Plasmon Generation Using Quantum Cascade Lasers," in Conference on Lasers and Electro-Optics/Quantum Electronics and Laser Science Conference and Photonic Applications Systems Technologies, Technical Digest (CD) (Optical Society of America, 2006), paper CFO7.
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