Xiaogeng Xu
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View article: Fast-Switchable OAM-Based High Capacity Density Optical Router
Fast-Switchable OAM-Based High Capacity Density Optical Router Open
We propose and demonstrate an optical router by selecting data encoded in massive orthogonal orbital angular momentum (OAM) states carried by collinear optical vortex (OV) beams. By switching the OV grating on a digital micromirror device,…
View article: Enabling 4-Lane Based 400 G Client-Side Transmission Links with MultiCAP Modulation
Enabling 4-Lane Based 400 G Client-Side Transmission Links with MultiCAP Modulation Open
We propose a uniform solution for a future client-side 400 G Ethernet standard based on MultiCAP advanced modulation format, intensity modulation, and direct detection. It employs 4 local area networks-wavelength division multiplexing (LAN…
View article: Massive individual orbital angular momentum channels for multiplexing enabled by Dammann gratings
Massive individual orbital angular momentum channels for multiplexing enabled by Dammann gratings Open
Data transmission rates in optical communication systems are approaching the limits of conventional multiplexing methods. Orbital angular momentum (OAM) in optical vortex beams offers a new degree of freedom and the potential to increase t…
View article: Advanced modulation formats for 400-Gbps short-reach optical inter-connection
Advanced modulation formats for 400-Gbps short-reach optical inter-connection Open
Besides the long-haul optical networks covering over thousands of kilometers for backbone transmission, short reach optical networks (SR-ONs) are widely deployed in metro-area for aggregation and accessing. The SR-ONs include the metro opt…