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Proceedings Article

Efficient polarization of high-angular-momentum systems

[+] Author Affiliations
Simon Rochester

Rochester Scientific, LLC (United States)

Szymon Pustelny, Konrad Szymański

Jagiellonian Univ. in Krakow (Poland)

Mark Raizen

The Univ. of Texas at Austin (United States)

Marcis Auzinsh

Univ. of Latvia (Latvia)

Dmitry Budker

Helmholtz Institut, Johannes Gutenberg Univ. (Germany)

Proc. SPIE 9763, Slow Light, Fast Light, and Opto-Atomic Precision Metrology IX, 97630D (March 8, 2016); doi:10.1117/12.2220208
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From Conference Volume 9763

  • Slow Light, Fast Light, and Opto-Atomic Precision Metrology IX
  • Selim M. Shahriar; Jacob Scheuer
  • San Francisco, California, United States | February 13, 2016

abstract

We present a novel technique of efficient optical pumping of open, high-angular-momentum systems. The method combines two well-established approaches of population manipulation (conventional optical pumping and coherent population transfer), offering the ability to achieve higher population of a sublevel with the highest or lowest quantum number m (the “end state”) than obtainable with either of the techniques. To accomplish this task, we propose to use coherent-population-transfer technique (e.g., adiabatic fast passage) to arrange the system in such a way that spontaneously emitted photon (conventional optical pumping) carries away more entropy than in conventional schemes. This enables reduction of a number of spontaneous decays Nsd required to pump the system with the total angular momentum J from Nsd = J decays in the conventional scheme to Nsd ≲ log2(2J) decays in the proposed scheme. Since each spontaneous-emission event is potentially burdened with a loss of population (population is transferred to a dark state), this enables increasing population accumulated in the “end state”, which is important for many applications. © (2016) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
Citation

Simon Rochester ; Szymon Pustelny ; Konrad Szymański ; Mark Raizen ; Marcis Auzinsh, et al.
" Efficient polarization of high-angular-momentum systems ", Proc. SPIE 9763, Slow Light, Fast Light, and Opto-Atomic Precision Metrology IX, 97630D (March 8, 2016); doi:10.1117/12.2220208; http://dx.doi.org/10.1117/12.2220208


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