Generation of a 640 Gbit/s NRZ OTDM signal using a silicon microring resonator

Yunhong Ding, Hao Hu, Michael Galili, Jing Xu, Liu Liu, Minhao Pu, Hans Christian Hansen Mulvad, Leif Katsuo Oxenløwe, Christophe Peucheret, Palle Jeppesen, Xinliang Zhang, Dexiu Huang, Haiyan Ou

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    Abstract

    A 640 Gbit/s NRZ OTDM signal has been successfully generated for the first time by format conversion of a 640 Gbit/s OTDM signal from RZ to NRZ. First, a coherent 640 Gbit/s OTDM RZ signal is generated by wavelength conversion of the original incoherent OTDM signal utilizing Kerr switching in a highly nonlinear fiber. Second, RZ-to-NRZ format conversion is achieved in a specially designed silicon microring resonator with FSR of 1280 GHz, Q value of 638, high extinction ratio and low coupling loss to optical fiber. A 640 Gbit/s NRZ OTDM signal with very clear eye-diagram and narrower bandwidth than both the original incoherent 640 Gbit/s and the wavelength converted coherent 640 Gbit/s RZ OTDM signals has been obtained. Bit error ratio measurements show error free (
    Original languageEnglish
    JournalOptics Express
    Volume19
    Issue number7
    Pages (from-to)6471-6477
    ISSN1094-4087
    DOIs
    Publication statusPublished - 2011

    Bibliographical note

    This paper was published in Optics Express and is made available as an electronic reprint with the permission of OSA. The paper can be found at the following URL on the OSA website: http://www.opticsinfobase.org/abstract.cfm?URI=oe-19-7-6471. Systematic or multiple reproduction or distribution to multiple locations via electronic or other means is prohibited and is subject to penalties under law.

    Keywords

    • Integrated Optics devices
    • Resonators
    • Fiber optics communications
    • Optical processing devices

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