Quantum frequency conversion.
An experimental scheme is proposed by which the quantum states of two light beams of different frequencies can be interchanged. With this scheme it is possible to generate frequency-tunable squeezed light for spectroscopic applications.
Kumar
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Department of Electrical Engineering and Computer Science, The Robert R. McCormick School of Engineering and Applied Science, The Technological Institute, Northwestern University, Evanston, Illinois 60208, USA.