Research Progress on Router Devices for the OAM Optical Communication
Binbin Wang,
Xizheng Zhang,
Jinlong Tian
et al.
Abstract:Vortex beams carrying orbital angular momentum (OAM) provide a new degree of freedom for light waves in addition to the traditional degrees of freedom, such as intensity, phase, frequency, time, and polarization. Due to the theoretically unlimited orthogonal states, the physical dimension of OAM is capable of addressing the problem of low information capacity. With the advancement of the OAM optical communication technology, OAM router devices (OAM-RDs) have played a key role in significantly improving the fle… Show more
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