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Abstract: Demonstration of an External Cavity Terahertz Quantum Cascade Laser

J.M. Hensley, D.J. Bamford, M.G. Allen, J. Xu, A. Tredicucci, H.E. Beere, D.A. Ritchie, "Demonstration of an External Cavity Terahertz Quantum Cascade Laser ," presented at Optical Terahertz Science and Technology Meeting (Orlando, FL) , (14-16 March2005).

Article: 225 kB

Reprinted by permission of the Optical Society of America. For permission to copy or republish, contact the Optical Society of America, 2010 Massachusetts Ave. NW, Washington, DC 20036-1023.

Abstract

A THz QCL coupled to an external cavity emits an average of 1 mW and can be frequency tuned by changing the grating angle. We demonstrate a tuning range of 1 wavenumber at fixed injection current.

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