100 Tbit/s free-space data link enabled by three-dimensional multiplexing of orbital angular momentum, polarization, and wavelength
- Huang, Hao
- Xie, Guodong
- Yan, Yan
- Ahmed, Nisar
- Ren, Yongxiong
- Yue, Yang
- Rogawski, Dvora
- Willner, Moshe J.
- Erkmen, Baris I.
- Birnbaum, Kevin M.
- Dolinar, Samuel J.
- Lavery, Martin P.J.
- Padgett, Miles J.
- Tur, Moshe
- Willner, Alan E.
DOIAbstract
We investigate the orthogonality of orbital angular momentum (OAM) with other multiplexing domains and present a free-space data link that uniquely combines OAM-, polarization-, and wavelength-division multiplexing. Specifically, we demonstrate the multiplexing/demultiplexing of 1008 data channels carried on 12 OAM beams, 2 polarizations, and 42 wavelengths. Each channel is encoded with 100 Gbit/s quadrature phase-shift keying data, providing an aggregate capacity of 100.8 Tbit/s (12×2×42×100 Gbit/s)
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