Journal
LIGHT-SCIENCE & APPLICATIONS
Volume 7, Issue -, Pages -Publisher
SPRINGERNATURE
DOI: 10.1038/lsa.2017.148
Keywords
fiber-optic communications; fiber vector eigenmode; multiplexing; optical vortex; photonic integrated devices
Categories
Funding
- National Basic Research Program of China (973 Program) [2014CB340004, 2014CB340001, 2014CB340003]
- National Natural Science Foundation of China (NSFC) [11690031, 61761130082, 11574001, 11774116, 11274131, 61222502, 61575224, 61622510]
- Royal Society-Newton Advanced Fellowship
- National Program for Support of Top-notch Young Professionals
- Program for New Century Excellent Talents in University [NCET-11-0182]
- Program for HUST Academic Frontier Youth Team
- Project ROAM (H-ICT-1-Contract) [645361]
- Project Cornerstone [EPSRC-EP/L021129/1]
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Spatial modes have received substantial attention over the last decades and are used in optical communication applications. In fiber-optic communications, the employed linearly polarized modes and phase vortex modes carrying orbital angular momentum can be synthesized by fiber vector eigenmodes. To improve the transmission capacity and miniaturize the communication system, straightforward fiber vector eigenmode multiplexing and generation of fiber-eigenmode-like polarization vortices (vector vortex modes) using photonic integrated devices are of substantial interest. Here, we propose and demonstrate direct fiber vector eigenmode multiplexing transmission seeded by integrated optical vortex emitters. By exploiting vector vortex modes (radially and azimuthally polarized beams) generated from silicon microring resonators etched with angular gratings, we report data-carrying fiber vector eigenmode multiplexing transmission through a 2-km large-core fiber, showing low-level mode crosstalk and favorable link performance. These demonstrations may open up added capacity scaling opportunities by directly accessing multiple vector eigenmodes in the fiber and provide compact solutions to replace bulky diffractive optical elements for generating various optical vector beams.
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