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  • Received: Jun. 1, 2020

    Accepted: Jun. 16, 2020

    Posted: Aug. 7, 2020

    Published Online: Aug. 7, 2020

    The Author Email: Yuan Ren (renyuan_823@aliyun.com)

    DOI: 10.3788/COL202018.100501

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    Chen Wang, Yuan Ren, Tong Liu, Linlin Chen, Song Qiu. New kind of Hermite–Gaussian-like optical vortex generated by cross phase[J]. Chinese Optics Letters, 2020, 18(10): 100501

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Chinese Optics Letters, Vol. 18, Issue 10, 100501 (2020)

New kind of Hermite–Gaussian-like optical vortex generated by cross phase

Chen Wang1, Yuan Ren1,2,*, Tong Liu1, Linlin Chen1, and Song Qiu1

Author Affiliations

  • 1Department of Aerospace Science and Technology, Space Engineering University, Beijing 101416, China
  • 2State Key Laboratory of Laser Propulsion & Application, Space Engineering University, Beijing 101416, China

Abstract

We propose a new kind of optical vortex called the Hermite–Gaussian-like optical vortex (HGOV) inspired by the cross phase (CP). Theoretically, we investigate how the CP is decoupled from the phase of a cylindrical lens. We also investigate the propagation characteristics of an HGOV, which has a Hermite–Gaussian-like intensity distribution but still retains the orbital angular momentum. Furthermore, we derive the Fresnel diffraction integral of an HGOV and study the purity at infinity. Besides, we show a novel function of the self-measurement of the HGOV. Finally, we show that we can change the relative positions of singularities and the direction of an HGOV precisely, which facilitates applications in optical micro-manipulation.

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