Nonlinear effects in femtosecond optical tweezers

Yuquan Zhang; Zheng Zhu; Wenjun Zhang; Changjun Min; Hendrik Paul Urbach; Xiaocong Yuan

doi:10.1117/12.2573822

10 October 2020 Nonlinear effects in femtosecond optical tweezers

Yuquan Zhang, Zheng Zhu, Wenjun Zhang, Changjun Min, Hendrik Paul Urbach, Xiaocong Yuan

Proceedings Volume 11558, Quantum and Nonlinear Optics VII; 1155806 (2020) https://doi.org/10.1117/12.2573822
Event: SPIE/COS Photonics Asia, 2020, Online Only

Abstract

Optical tweezers have found applications in many areas, the nonlinear effects play a significant role in femtosecond laser trappings. Here, we demonstrated that the traps are determined by the longitudinal electric field component due to the Kerr effect in nonlinear optical tweezers. Furthermore, we used a linearly polarized femtosecond laser as the trapping source to study the intrinsic bistability effect in nonlinear optical tweezers. A bistable state is demonstrated where the critical value shows big difference in incident power up- and down- sweeping process, showing a novel prospective in future.

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Citation Download Citation

Yuquan Zhang, Zheng Zhu, Wenjun Zhang, Changjun Min, Hendrik Paul Urbach, and Xiaocong Yuan "Nonlinear effects in femtosecond optical tweezers", Proc. SPIE 11558, Quantum and Nonlinear Optics VII, 1155806 (10 October 2020); https://doi.org/10.1117/12.2573822

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