Near-Diffraction- and Near-Dispersion-Free OAM Pulse Having a Controllable Group Velocity by Coherently Combining Different Bessel Beams Based on Space-Time Correlations
K. Pang, K. Zou, Hao Song, Zhe Zhao, A. Minoofar, Runzhou Zhang, Cong Liu, Haoqian Song, Huibin Zhou, X. Su, N. Hu, M. Tur, A. Willner
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引用次数: 0
Abstract
We simulate the generation of a near-diffraction- and dispersion-free OAM pulses with arbitrary group velocities. As the pulse OAM order increases, the group velocity almost remains the same while the temporal pulse width becomes longer.