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We investigate the electromagnetically induced grating in a Λ -type three-level atomic system with a microwave field coupling the two ground states. The results show that the intensity of diffraction, especially the first-order diffraction, is increased remarkably due to the modulation and gain of the microwave field. If the parameters of the system are chosen properly, the intensity of the first-order diffraction goes up exponentially as the microwave intensity increases.
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Keywords:
- electromagnetically induced grating /
- electromagnetically induced transparency /
- microwave field
[1] Ling H Y, Li Y Q, Xiao M 1998 Phys. Rev. A 57 1338
[2] Harris S E 1997 Phys. Today 50 36
[3] Fleischhauer M, Imamoglu A, Marangos J P 2005 Rev. Mod. Phys. 77 633
[4] Mitsunaga M, Imoto N 1999 Phys. Rev. A 59 4773
[5] Dutta B K, Mahapatra P K 2006 J. Phys. B: At. Mol. Opt. Phys. 39 1145
[6] Tran P 1996 Opt. Lett. 24 847
[7] Cui C L, Wu J H, Gao J W, Zhang Y, Ba N 2010 Opt. Express 18 4538
[8] Xiao Z H, Shin S G, Kim K 2010 J. Phys. B: At. Mol. Opt. Phys. 43 161004
[9] Araujo L E 2010 Opt. Lett. 35 977
[10] Dutta B K, Mahapatra K 2006 J. Phys. B: At. Mol. Opt. Phys. 39 1145
[11] Eilam A, Wilson-Gordon A D, Friedmann H 2009 Opt. Lett. 34 1834
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[1] Ling H Y, Li Y Q, Xiao M 1998 Phys. Rev. A 57 1338
[2] Harris S E 1997 Phys. Today 50 36
[3] Fleischhauer M, Imamoglu A, Marangos J P 2005 Rev. Mod. Phys. 77 633
[4] Mitsunaga M, Imoto N 1999 Phys. Rev. A 59 4773
[5] Dutta B K, Mahapatra P K 2006 J. Phys. B: At. Mol. Opt. Phys. 39 1145
[6] Tran P 1996 Opt. Lett. 24 847
[7] Cui C L, Wu J H, Gao J W, Zhang Y, Ba N 2010 Opt. Express 18 4538
[8] Xiao Z H, Shin S G, Kim K 2010 J. Phys. B: At. Mol. Opt. Phys. 43 161004
[9] Araujo L E 2010 Opt. Lett. 35 977
[10] Dutta B K, Mahapatra K 2006 J. Phys. B: At. Mol. Opt. Phys. 39 1145
[11] Eilam A, Wilson-Gordon A D, Friedmann H 2009 Opt. Lett. 34 1834
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