Phase control of electromagnetically induced transparency and its applications to tunable group velocity and atom localization

Kishore T. Kapale; Mostafa Sahrai; Habib Tajali; M. Suhail Zubairy

doi:10.1117/12.601705

4 April 2005 Phase control of electromagnetically induced transparency and its applications to tunable group velocity and atom localization

Kishore T. Kapale, Mostafa Sahrai, Habib Tajali, M. Suhail Zubairy

Author Affiliations +

Proceedings Volume 5735, Advanced Optical and Quantum Memories and Computing II; (2005) https://doi.org/10.1117/12.601705
Event: Integrated Optoelectronic Devices 2005, 2005, San Jose, California, United States

Abstract

We show that, by simple modifications of the usual three-level Λ-type scheme used for obtaining electromagnetically induced transparency (EIT), phase dependence in the response of the atomic medium to a weak probe field can be introduced. This gives rise to phase dependent susceptibility. By properly controlling phase and amplitudes of the drive fields we obtain variety of interesting effects. On one hand we obtain phase control of the group velocity of a probe field passing through medium to the extent that continuous tuning of the group velocity from subluminal to superluminal and back is possible. While on the other hand, by choosing one of the drive fields to be a standing wave field inside a cavity, we obtain sub-wavelength localization of moving atoms passing through the cavity field.

Citation Download Citation

Kishore T. Kapale, Mostafa Sahrai, Habib Tajali, and M. Suhail Zubairy "Phase control of electromagnetically induced transparency and its applications to tunable group velocity and atom localization", Proc. SPIE 5735, Advanced Optical and Quantum Memories and Computing II, (4 April 2005); https://doi.org/10.1117/12.601705

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