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Characterization and performance analysis of a TOAD switch employing a dual control pulse scheme in high-speed OTDM demultiplexer

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3 Author(s)
Le Minh, H. ; Northum- bria Univ., Newcastle upon Tyne ; Ghassemlooy, Z. ; Ng, W.P.

This letter presents the characterization, analysis and simulation of a novel dual control pulse (CP) scheme for the Terahertz Optical Asymmetric Demultiplexer (TOAD) switch used as a demultiplexer in optical time division multiplexing (OTDM) system. The dual-CP TOAD offers symmetrical switching window (SW) which reduces inter-channel crosstalk (CXT) in switched/demultiplexed channels, thus significantly improving the bit-error-rate (BER) and received power penalty. The improvements in CXT and received power penalty are 5 and 1.5 dB (at BER = 10-9), respectively, for demultiplexing high bit rates of 200 and 300-to-10 Gb/s.

Published in:

Communications Letters, IEEE  (Volume:12 ,  Issue: 4 )