We propose an intersubband all-optical THz switch. Adjusting the optical control switch beam even strong THz probe signals with intensities of up to 1 MW/cm<sup>2</sup>can be modulated with extinction ratios of - 80 dB/mm.
© 2008 Optical Society of America
I. Waldmueller, W. W. Chow, and M. C. Wanke, "High-Temperature All-Optical Intersubband Terahertz Wave Switch," 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, 2008), paper JWA41.
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