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A novel scheme based on light diffraction to generate a double-well optical trap for trapping and controlling two-species samples of cold atoms or molecules is proposed. Specialized phase modulation similar to the binary phase-grating is implemented in a diffraction device of liquid crystal spatial light modulator (LC-SLM). A continuous and reversible evolution between single-well trap and double-well trap is investigated. Corresponding experiments are performed and the results are in agreement with theories. Our results show that the proposed scheme has a controllability advantage, which is beneficial to the loading and controlling two-species samples in cold atoms or molecules experiments.
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Keywords:
- atom optics /
- trapping of atoms or molecules /
- liquid crystal spatial light modulator (LC-SLM) /
- double-well optical trap
[1] Esmann M, Pritchard J D, Weiss C 2012 Laser Phys. Lett. 9 160
[2] Vatasescu M 2012 Journal of Physics: Conference Series 388 122004
[3] Liu X J, Liu H P, Shen L, Wang L, Yang H F 2009 Chin. Phys. B 18 5277
[4] Xiao K W, Hai W H, Liu J 2012 Phys. Rev. A 85 013410
[5] Qian Y Y, Zhang C W 2011 Phys. Rev. A 84 013608
[6] Zhou Q, Lu J F, Yin J P 2010 Chin. Phys. B 19 093202
[7] Wang Y S, Yan P G, Li B, Liu X S 2012 Chin. Phys. B 21 010309
[8] Chatterjee B, Brouzos I, Cao L H 2012 Phys. Rev. A 85 013611
[9] Chengjun T, Qiang G 2012 Journal of Physics: Conference Series 400 012073
[10] Yariv Y, Erich M 2012 Phys. Rev. A 85 013641
[11] Juha J 2010 Phys. Rev. A 81 051602(R)
[12] Ng H T, Chu S I 2012 Phys. Rev. A 85 023636
[13] Mele-Messeguer M, Paganelli S, Julia-Diaz B, Sanpera A, Polls A 2012 Phy. Rev. A 86 053626
[14] Grond J, Streltsov A I, Cederbaum L S 2012 Phy. Rev. A 86 063607
[15] Ji X M, Yin J P 2005 J. Opt. Soc. Am. B 22 1737
[16] Ji X M, Yin J P 2004 Acta Phys. Sin. 53 4163 (in Chinese) [纪宪明, 印建平 2004 53 4163]
[17] Mu R M, Li Y L, Ji X M, Yin J P 2006 Acta Phys. Sin. 55 6333 (in Chinese) [沐仁旺, 李雅丽, 纪宪明, 印建平 2006 55 6333
[18] Mu R W, Ji X M, Yin J P 2006 Acta Phys. Sin. 55 5795 (in Chinese) [沐仁旺, 纪宪明, 印建平 2006 55 5795]
[19] Ji X M, Xu S W, Lu J F, Xu D M, Yin J P 2008 Acta Phys. Sin. 57 7591 (in Chinese) [纪宪明, 徐淑武, 陆俊发, 徐冬梅, 印建平 2008 57 7591]
[20] Xu X Y, Chen H B, Yin J P 2009 Acta Phys. Sin. 58 1563206 (in Chinese) [许雪艳, 陈海波, 印建平 2009 58 1563206]
[21] Zhang C Y, Huang Z Q 2008 Acta Opt. Sin. 28 1231 (in Chinese) [张翠玉, 黄子强 2008 光学学报 28 1231
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[1] Esmann M, Pritchard J D, Weiss C 2012 Laser Phys. Lett. 9 160
[2] Vatasescu M 2012 Journal of Physics: Conference Series 388 122004
[3] Liu X J, Liu H P, Shen L, Wang L, Yang H F 2009 Chin. Phys. B 18 5277
[4] Xiao K W, Hai W H, Liu J 2012 Phys. Rev. A 85 013410
[5] Qian Y Y, Zhang C W 2011 Phys. Rev. A 84 013608
[6] Zhou Q, Lu J F, Yin J P 2010 Chin. Phys. B 19 093202
[7] Wang Y S, Yan P G, Li B, Liu X S 2012 Chin. Phys. B 21 010309
[8] Chatterjee B, Brouzos I, Cao L H 2012 Phys. Rev. A 85 013611
[9] Chengjun T, Qiang G 2012 Journal of Physics: Conference Series 400 012073
[10] Yariv Y, Erich M 2012 Phys. Rev. A 85 013641
[11] Juha J 2010 Phys. Rev. A 81 051602(R)
[12] Ng H T, Chu S I 2012 Phys. Rev. A 85 023636
[13] Mele-Messeguer M, Paganelli S, Julia-Diaz B, Sanpera A, Polls A 2012 Phy. Rev. A 86 053626
[14] Grond J, Streltsov A I, Cederbaum L S 2012 Phy. Rev. A 86 063607
[15] Ji X M, Yin J P 2005 J. Opt. Soc. Am. B 22 1737
[16] Ji X M, Yin J P 2004 Acta Phys. Sin. 53 4163 (in Chinese) [纪宪明, 印建平 2004 53 4163]
[17] Mu R M, Li Y L, Ji X M, Yin J P 2006 Acta Phys. Sin. 55 6333 (in Chinese) [沐仁旺, 李雅丽, 纪宪明, 印建平 2006 55 6333
[18] Mu R W, Ji X M, Yin J P 2006 Acta Phys. Sin. 55 5795 (in Chinese) [沐仁旺, 纪宪明, 印建平 2006 55 5795]
[19] Ji X M, Xu S W, Lu J F, Xu D M, Yin J P 2008 Acta Phys. Sin. 57 7591 (in Chinese) [纪宪明, 徐淑武, 陆俊发, 徐冬梅, 印建平 2008 57 7591]
[20] Xu X Y, Chen H B, Yin J P 2009 Acta Phys. Sin. 58 1563206 (in Chinese) [许雪艳, 陈海波, 印建平 2009 58 1563206]
[21] Zhang C Y, Huang Z Q 2008 Acta Opt. Sin. 28 1231 (in Chinese) [张翠玉, 黄子强 2008 光学学报 28 1231
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