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Opt Lett. 2011 Mar 1;36(5):630-2. doi: 10.1364/OL.36.000630.

10 Gbit/s tributary channel exchange of 160 Gbit/ssignals using periodically poled lithium niobate.

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  • 1Wuhan National Laboratory for Optoelectronics, College of Optoelectronic Science and Engineering, Huazhong University of Science and Technology, Wuhan, Hubei, China. wjhustoe@gmail.com

Abstract

We propose and demonstrate data exchange in both the wavelength and time domains at a fine granularity, i.e., low-speed tributary channel exchange of wavelength-division multiplexed high-speed optical time-division multiplexed signals. Using the parametric depletion effect of cascaded second-order nonlinear interactions in a periodically poled lithium niobate (PPLN) waveguide, we experimentally implement 10 Gbit/s tributary channel exchange between two 160 Gbit/s signals with a power penalty of less than 4 dB at a bit-error rate of 10(-9). Moreover, taking into account the waveguide propagation loss, we derive analytical solutions to investigate the signal depletion (SD) and extinction ratio (ER) performance of the PPLN-based data exchange. The theoretical analyses indicate that low waveguide propagation loss benefits large achievable SD and ER.

PMID:
21368930
[PubMed]
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