Quantum fluctuations of superfluorescence delay observed with ultrashort optical excitations
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We present an observation of fluctuations in delay times of the yoked-superfluorescence pulses generated in atomic rubidium. The yoked-superfluorescence was induced through two-photon excitation of cascade transitions by ultrashort (100 fs) laser pulses. A statistical distribution and fluctuations of delay times were studied as the pump pulse energy varied, effectively changing the number of participating atoms. The standard deviation in the delay-time statistics decreases when the pump power increases. The experimental data support the theoretical model of the quantum fluctuations of superfluorescence.
author list (cited authors)
Ariunbold, G. O., Sautenkov, V. A., & Scully, M. O.
complete list of authors
Ariunbold, Gombojav O||Sautenkov, Vladimir A||Scully, Marlan O