Two-Photon Absorption in a Semiconductor Micro-cavity
by Bondarczuk, Krzysztof
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Due to continued growth of the Internet and theintroduction of new broadband services there is aconstant requirement for higher speed communications.It is expected the optical communications systemswill evolve towards higher capacities by increasingindividual line rates. To implement these high-speedoptical networks e.g. operating at individual channelrates above 100 Gb/s, all-optical processingtechniques are investigated. In this work a novelapproach based on two photon absorption nonlinearitywithin a resonance cavity enhanced structure isexplored. The novelty of this work lies in theability of using a single photodetector forsequential monitoring of different wavelengthchannels, operating at line rates exceedingconventional electrical processing-speeds limits.Experimental work included characterization andtesting of the fabricated TPA micro-cavities for 160Gb/s RZ signal chromatic dispersion monitoring. Themain attribute of this work is the experimentalinvestigation of the performance of TPA basedmicro-cavity laboratory prototype, in amulti-wavelength high-speed optical system.
P. Barry, Liam
K. Bondarczuk received his PhD from Dublin City University in2009 for work in the area of all-optical nonlinear, signalprocessing. L. P. Barry is an Associate Professor in the Schoolof Electronic Engineering at Dublin City University, where hedirects the Radio and Optical Communications Laboratory.
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LAP Lambert Academic Publishing
16 June 2011
0.22 x 0.15 x 0.007 m; 0.231 kg