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Current frameworks for network programming assume that the network contains a collection of homogenous devices that can be rapidly reconfigured in response to changing policies and network conditions. Unfortunately, these assumptions are incompatible with the realities of modern networks, which contain legacy devices that offer diverse functionality and can only be reconfigured slowly. Additionally,...
The massive adoption of cloud-based services in data center lead to an exponential increasing in both the amount traffic and servers, which brings a great challenge to data center network (DCN). In this paper, MOSA: a modular all-optical switching architecture based on arrayed waveguide gratings (AWG) is proposed to address the issue. The modular design makes MOSA can expand up to millions of servers...
In this paper, we address the problem of survivable traffic grooming and regenerator placement in optical WDM networks with impairment constraints. The working connections are protected end to end by provisioning bandwidth along a sequence of lightpaths through a dedicated connection-level protection scheme. An auxiliary-graph-based approach is proposed to address the placement of regenerators and...
Near-perfect photonic crystal structure on 8' SOI wafer was fabricated through standard 0.13μm CMOS technology. Large scale super-collimation was demonstrated in the photonic crystal region which is coinciding with simulation result. The result represents a promising prospect of super-collimation waveguide on macroscopic optical connection.
We present a novel method to realize 3D adiabatically Spot-Size Converter (SSC) structures by standard silicon micromachining technics, for efficient coupling from single-mode fiber or free-space to silicon photonic chip. The SSC is comprised of I/O waveguides and a 3D tapered coupler on silicon-on-insulator (SOI) substrate. The dimensions are decreased linearly in both vertical and horizontal directions...
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