Title :
Frequency metrology via quantum interference in two-photon excitation
Author :
Georgiades, N.P. ; Polzik, E.S. ; Kimble, H.J.
Author_Institution :
Norman Bridge Lab. of Phys., California Inst. of Technol., Pasadena, CA, USA
Abstract :
Quantum interference in atomic two-photon excitation is exploited for optical demodulation, with phase-sensitive detection at /spl plusmn/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.
Keywords :
atomic clocks; demodulation; excited states; fluorescence; frequency measurement; laser frequency stability; measurement standards; optical phase locked loops; optical pumping; optical saturable absorption; phase modulation; quantum interference phenomena; radiation pressure; two-photon processes; 200 to 2000 nm; atomic two-photon excitation; fluorescence; frequency metrology; ladder transition; magneto-optically trapped atoms; master equation analysis; multiple excitation paths; optical demodulation; phase lock; phase-sensitive detection; quantum interference; ultrafast nonlinear mixing elements; Atom optics; Atomic measurements; Frequency; Interference; Laser transitions; Metrology; Nonlinear optics; Optical mixing; Optical modulation; Ultrafast optics;
Conference_Titel :
Precision Electromagnetic Measurements Digest, 1996 Conference on
Conference_Location :
Braunschweig, Germany
Print_ISBN :
0-7803-3376-4
DOI :
10.1109/CPEM.1996.547394
