Tunable photonic band gaps with coherently driven atoms in optical lattices

Details Tunable photonic band gaps with coherently driven atoms in optical lattices Tunable photonic band gaps with coherently driven atoms in optical lattices

2007-06-21

arxiv.org/abs/0706.3133v1

Phys. Rev. A 76, 053823 (2007)

Physics

Quantum Physics

Scientific paper

10.1103/PhysRevA.76.053823

Optical lattice loaded with cold atoms can exhibit a tunable photonic band gap for a weak probe field under the conditions of electromagnetically induced transparency. This system possesses a number of advantageous properties, including reduced relaxation of Raman coherence and the associated probe absorption, and simultaneous enhancement of the index modulation and the resulting reflectivity of the medium. This flexible system has a potential to serve as a testbed of various designs for the linear and nonlinear photonic band gap materials at a very low light level and can be employed for realizing deterministic entanglement between weak quantum fields.

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