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A controlled frequency-shifted feedback loop for generation of widely tunable coherent Terahertz waves

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Abstract

In this report, we demonstrate experimentally that a controlled frequency-shifted feedback loop (CFSFL) enables a wavelength conversion up to 14.6 nm (1.83 THz) with a wavelength conversion efficiency up to 32%, and show the possibility of frequency shift up to 5 THz or even higher frequency shift.

© 2012 Optical Society of America

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