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Conferences > CLEO > 2010 > JWA > JWA110

Electrically Controlling Beam Pattern of THz Quantum Cascade Lasers

S. Fathololoumi, E. Dupont, S. G. Razavipour, S. R. Laframboise, Z. R. Wasilewski, D. Ban, and H. C. Liu

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Abstract

An electrically controlled beam pattern technique for semi-insulating surface plasmon terahertz quantum cascade is presented. The near field and far field measurements confirm that the lasing THz beam is maneuvered by 25° in emission angle, when the current density changes from 1.9 kA/cm2 to 2.3 kA/cm2.

© 2010 Optical Society of America

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