Superslow optical relaxation induced by FM laser field in I2

Hui-Rong Xia

doi:10.1117/12.2299048

1 September 1996 Superslow optical relaxation induced by FM laser field in I₂

Hui-Rong Xia

Proceedings Volume 2778, 17th Congress of the International Commission for Optics: Optics for Science and New Technology; 27784M (1996) https://doi.org/10.1117/12.2299048
Event: 17th Congress of the International Commission for Optics: Optics for Science and New Technology, 1996, Taejon, Korea, Republic of

Abstract

The approaches to realize superslow relaxation receive growing attention for its correspondence to sharp optical resonance in frequency domain and to long term of information storage in time domain. Dephasing time as long as 2.6 mS was observed in the condensed matter of crystal under the temperature of 1.4K [1]. In RF ion trap Yb ion has been kept in its metastable excited state for 8 days [2]. Population trapping is one of the interested approaches recently. While most papers discussed it for Λ- or V-type three-level systems, Agarwarl et al has theoretically predicted the possibility of population trapping been established by frequency modulated laser field in two-level system [3]. The authors has demonstrated population trapping in high-lying state doublet and in intermediate state doublet via quantum interferences between two sum-frequency two-photon excitations in Y- and in rhomb-type four-level systems respectively [4].

Citation Download Citation

Hui-Rong Xia "Superslow optical relaxation induced by FM laser field in I₂", Proc. SPIE 2778, 17th Congress of the International Commission for Optics: Optics for Science and New Technology, 27784M (1 September 1996); https://doi.org/10.1117/12.2299048

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