Weak-value amplification of the fast-light effect in rubidium vapor

Mohammad Mirhosseini, Gerardo Viza, Omar S. Magana-Loaiza, Mehul Malik, John C. Howell, Robert W. Boyd

Research output: Contribution to journalArticle

5 Citations (Scopus)

Abstract

We use weak-value amplification to enhance the polarization-sensitive fast-light effect from induced Raman absorption in hot rubidium vapor. We experimentally demonstrate that projecting the output signal into an appropriate polarization state enables a pulse advancement of 4.2μs, which is more than 15 times larger than that naturally caused by dispersion. More significantly, we show that combining weak-value amplification with the dispersive response of an atomic system provides a clear advantage in terms of the maximum pulse advance achievable for a given value of loss. This technique has potential applications for designing novel quantum-information-processing gates and optical buffers for telecommunication systems.
Original languageEnglish
Article number053836
JournalPhysical Review A
Volume93
Issue number5
DOIs
Publication statusPublished - 27 May 2016

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