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Cited by 457

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4 × 20 Gbit/s mode division multiplexing over free space using vector modes and a q-plate mode (de)multiplexer

Open access
Milione, Giovanni, Lavery, Martin P. J., Huang, Hao, Ren, Yongxiong, Xie, Guodong, Nguyen, Thien An, Karimi, Ebrahim, Marrucci, Lorenzo, Nolan, Daniel A., Alfano, Robert R., Willner, Alan E.·2015·Optics Letters

Abstract

Vector modes are spatial modes that have spatially inhomogeneous states of polarization, such as, radial and azimuthal polarization. In this work, the spatially inhomogeneous states of polarization of vector modes are used to increase the transmission data rate of free-space optical communication via mode division multiplexing. A mode (de)multiplexer for vector modes based on a liquid crystal q-plate is introduced. As a proof of principle, four vector modes each carrying a 20-Gbit/s quadrature phase shift keying signal (aggregate 80 Gbit/s) on a single wavelength channel (λ∼1550 nm) were transmitted ∼1 m over the lab table with <-16.4 dB mode crosstalk. Bit error rates for all vector modes were measured at the 7% forward error correction threshold with power penalties <3.41 dB.

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Crossref · 10.1364/ol.40.001980

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Metadata

Authors
Milione, G., Lavery, M. P. J., Huang, H., Ren, Y., Xie, G., Nguyen, T. A., Karimi, E., Marrucci, L., Nolan, D. A., Alfano, R. R., & Willner, A. E.
Venue
Optics Letters
Published
2015-04-22
Volume
40
Issue
9
Pages
1980
ISSN
  • 0146-9592 (ISSN-L)
  • 1539-4794
OpenAlex
W2002043614
Cited by
457
References
1
FWCI
28.70
Type
journal article
Language
en
Open access
green

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CoChat. (2026). Citation check: 4 × 20 Gbit/s mode division multiplexing over free space using vector modes and a q-plate mode (de)multiplexer. https://app.cochat.ai/papers/10.1364/ol.40.001980
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Milione, G., Lavery, M. P. J., Huang, H., Ren, Y., Xie, G., Nguyen, T. A., Karimi, E., Marrucci, L., Nolan, D. A., Alfano, R. R., & Willner, A. E. (2015). 4 × 20 Gbit/s mode division multiplexing over free space using vector modes and a q-plate mode (de)multiplexer. Optics Letters. https://doi.org/10.1364/ol.40.001980

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