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Published June 1996 | Published
Book Section - Chapter Open

Frequency metrology via quantum interference in two-photon excitation


Quantum interference in atomic two-photon excitation is exploited for optical demodulation, with phase-sensitive detection at ±12 THz having been achieved. By utilizing the atoms as ultrafast nonlinear mixing elements, a new technique for the comparison of essentially arbitrary frequencies over the range 200-2000 nm is presented.

Additional Information

© 1996 IEEE. This work is supported by the Division of Chemical Sciences, Office of Basic Energy Sciences, Office of Energy Research, U.S. Department of Energy.

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August 18, 2023
August 18, 2023