How Optical Vortices Enable High-Bandwidth Free-Space Laser Communication
光学涡旋如何实现高带宽自由空间激光通信
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Optical vortices carry orbital angular momentum (OAM), encoding data in topological charge states that exist independently of polarization or wavelength.
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Each OAM mode functions as a parallel information channel, multiplying spectral efficiency without increasing transmit power or bandwidth.
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