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For the recovery of core optical transport networks after disaster, in this paper, we introduce an emergency optical network design problem. In this problem, we take account of both the interconnection of the surviving multi-vendor resources and the utilization of the emergency portable EDFAs. The surviving multi-vendor optical nodes [e.g., reconfigurable optical add/drop multiplexer (ROADM) or wavelength...
Space-division multiplexing (SDM) with multi-core/multi-mode fibers has potential to increase the transmission capacity drastically. In this paper, we investigate the feasibility of trans-oceanic transmission towards beyond 100 Tbit/s using multi-core fibers. Experimental results using 7-core fibers/EDFAs are also presented.
The multicore fiber transmission technologies is promising candidate to increase the capacity per fiber. In this paper, ultra-long-haul transmission using multicore fiber and multicore EDFA is explained.
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