期刊
OPTICS LETTERS
卷 46, 期 19, 页码 5035-5038出版社
OPTICAL SOC AMER
DOI: 10.1364/OL.438489
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类别
资金
- National Key Research and Development Program of China [2018YFA0307500, 2017YFA0303703]
- National Natural Science Foundation of China [12074306, 62022066, 61975159]
The study demonstrates the Talbot effect in an electromagnetically induced square photonic lattice formed under the electromagnetically induced transparency (EIT) condition in a three-level Rb-85 atomic configuration. Two-dimensional lattice patterns are generated by diffraction of a Gaussian probe field through a vapor cell, where the refractive index is modulated by a coupling field with a two-dimensional periodic intensity distribution. Experimental observations match theoretical predictions, providing a new approach for creating desired photonic lattices and expanding studies of the electromagnetically induced Talbot effect to two-dimensional space.
We demonstrate the Talbot effect of an electromagnetically induced square photonic lattice formed under the electromagnetically induced transparency (EIT) condition both experimentally and theoretically in a three-level Rb-85 atomic configuration. The two-dimensional lattice patterns result from the diffraction of a Gaussian probe field traveling through the vapor cell, in which the refractive index is modulated by a coupling field with a two-dimensional periodic intensity distribution generated by a spatial light modulator. The experimental observations are consistent with the theoretical predictions. This investigation not only provides a new avenue for producing desired electromagnetically induced photonic lattices beyond the commonly adopted multi-beam interfering method but also broadens studies of electromagnetically induced Talbot effect to two-dimensional space. (C) 2021 Optical Society of America
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