Two-Photon Transitions via Optical Frequency Comb to Form Ultracold Molecules

Details Two-Photon Transitions via Optical Frequency Comb to Form Ultracold Molecules Two-Photon Transitions via Optical Frequency Comb to Form Ultracold Molecules

Jun 2010

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2010mss..confefd06m&link_type=abstract

"International Symposium On Molecular Spectroscopy, 65th Meeting, Held 21-25 June, 2010 at Ohio State University. http://molspec

Physics

Mini-Symposium: Precision/Frequency Combs

Scientific paper

We show that a single femtosecond optical frequency comb may be used to induce two-photon transitions between molecular vibrational levels to form ultracold molecules, e.g., KRb. The phase across an individual pulse in the pulse train is sinusoidally modulated with a carefully chosen amplitude and modulation frequency. Piecewise adiabatic population transfer is fulfilled to the final state by each pulse in the applied pulse train providing a controlled population accumulation in the final state. Similar results are obtained using a standard optical frequency comb with zero carrier-envelop-offset frequency.

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