Blue-detuned optical atom trapping in a compact plasmonic structure

Zhao Chen; Fan Zhang; Qi Zhang; Juanjuan Ren; He Hao; Xueke Duan; Pengfei Zhang; Tiancai Zhang; Ying Gu; Qihuang Gong

doi:doi:10.1364/PRJ.5.000436

Photonics Research, 2017, 5 (5): 05000436, Published Online: Aug. 31, 2017

Blue-detuned optical atom trapping in a compact plasmonic structure Download： 700次

Zhao Chen ¹Fan Zhang ¹Qi Zhang ¹Juanjuan Ren ¹He Hao ¹Xueke Duan ¹Pengfei Zhang ^2,3Tiancai Zhang ^2,3Ying Gu ^1,2,*Qihuang Gong ^1,2

Author Affiliations

¹ State Key Laboratory for Mesoscopic Physics, Collaborative Innovation Center of Quantum Matter, Department of Physics, Peking University, Beijing 100871, China

² Collaborative Innovation Center of Extreme Optics, Shanxi University, Taiyuan, Shanxi 030006, China

³ State Key Laboratory of Quantum Optics and Quantum Optics Devices, Institute of Opto-Electronics, Shanxi University, Taiyuan 030006, China

Figures & Tables

Fig. 1. (a) Schematic of the array of nanoholes in a metallic film. Inset shows the unit cell of the presented nanohole arrays and the geometrical parameter symbols. (b) Simulation results of the normalized zero-order transmission spectrum. (c) Field distribution of |E| in the nanohole at the air–gold interface when a 760 nm laser illuminates from the −z direction.

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Fig. 2. (a) Field distributions of |E| in the x–z plane when y is 0 nm. (b) Normalized intensity distributions of |E|2 along the dark dashed line in (a).

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Fig. 3. (a) Calculated total potential along the dark dashed line in Fig. 2(a). (b) Potential distributions for point P in the x–y plane. Ux and Utot−x represent the optical dipole potential and the total potential along the x direction, respectively. The incident optical power P0=1 mW.

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Fig. 4. (a) Contour plot of a trapping total potential in the x–y plane at z=372 nm for a unit cell. (b) Periodic arrays.

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Zhao Chen, Fan Zhang, Qi Zhang, Juanjuan Ren, He Hao, Xueke Duan, Pengfei Zhang, Tiancai Zhang, Ying Gu, Qihuang Gong. Blue-detuned optical atom trapping in a compact plasmonic structure[J]. Photonics Research, 2017, 5(5): 05000436.

Blue-detuned optical atom trapping in a compact plasmonic structure Download： 700次

Fig. 2. (a) Field distributions of |E| in the x–z plane when y is 0 nm. (b) Normalized intensity distributions of |E|2 along the dark dashed line in (a).

Fig. 3. (a) Calculated total potential along the dark dashed line in Fig. 2(a). (b) Potential distributions for point P in the x–y plane. Ux and Utot−x represent the optical dipole potential and the total potential along the x direction, respectively. The incident optical power P0=1 mW.

Fig. 4. (a) Contour plot of a trapping total potential in the x–y plane at z=372 nm for a unit cell. (b) Periodic arrays.

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Blue-detuned optical atom trapping in a compact plasmonic structure Download： 700次

Fig. 2. (a) Field distributions of |E| in the x–z plane when y is 0 nm. (b) Normalized intensity distributions of |E|2 along the dark dashed line in (a).

Fig. 3. (a) Calculated total potential along the dark dashed line in Fig. 2(a). (b) Potential distributions for point P in the x–y plane. Ux and Utot−x represent the optical dipole potential and the total potential along the x direction, respectively. The incident optical power P0=1 mW.

Fig. 4. (a) Contour plot of a trapping total potential in the x–y plane at z=372 nm for a unit cell. (b) Periodic arrays.

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