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Photonic chip-based all-optical XOR gate for 40 and 160 Gbit/s DPSK signals

Vo, Trung D; Pant, Ravi; Pelusi, Mark D; Schröder, Jochen; Debbarma, Sukhanta K; Madden, Stephen J; Luther-Davies, Barry; Eggleton, Benjamin J; Choi, Duk-Yong


We demonstrate a photonic chip-based all-optical exclusive-OR (XOR) gate for phase-encoded optical signals via four-wave mixing in a highly nonlinear, dispersion-engineered chalcogenide (As2S3) planar waveguide. We achieve error-free, XOR operation for 40 Gbit/s differential phase shift keying (DPSK) optical signals with no power penalty. The effectiveness and broad bandwidth operation of our approach is highlighted by implementing an XOR gate for 160 Gbit/s DPSK signals.

CollectionsANU Research Publications
Date published: 2011-03-01
Type: Journal article
Source: Optics letters
DOI: 10.1364/OL.36.000710


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