Fully programmable ring-resonator-based integrated photonic circuit for phase coherent applications

    Authors

    A. Agarwal; P. Toliver; R. Menendez; S. Etemad; J. Jackel; J. Young; T. Banwell; B. E. Little; S. T. Chu; W. Chen; W. L. Chen; J. Hryniewicz; F. Johnson; D. Gill; O. King; R. Davidson; K. Donovan;P. J. Delfyett

    Comments

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    Abbreviated Journal Title

    J. Lightwave Technol.

    Keywords

    fiber-optics communications; integrated optics; optical code-division; multiple access (OCDMA); pulse shapers; ring resonators; DIVISION MULTIPLE-ACCESS; CHANNEL DROPPING FILTERS; COUPLED MICRORING; RESONATORS; SPREADING OPTICAL CDMA; FREE SPECTRAL RANGE; O-CDMA; CODE; NETWORKS; SYSTEM; COMPENSATION; Engineering, Electrical & Electronic; Optics; Telecommunications

    Abstract

    A novel ring-resonator-based integrated photonic chip with ultrafine frequency resolution, providing programmable, stable, and accurate optical-phase control is demonstrated. The ability to manipulate the optical phase of the individual frequency components of a signal is a powerful tool for optical communications, signal processing, and RF photonics applications. As a demonstration of the power of these components, we report their use as programmable spectral-phase encoders (SPEs) and decoders for wavelength-division-multiplexing (WDM)-compatible optical code-division multiple access (OCDMA). Most important for the application here, the high resolution of these ring-resonator circuits makes possible the independent control of the optical phase of the individual tightly spaced frequency lines of a mode-locked laser (MLL). This unique approach allows. us to limit the coded signal's spectral bandwidth, thereby allowing for high spectral efficiency (compared to other OCDMA systems) and compatibility with existing WDM systems with a rapidly reconfigurable set of codes. A four-user OCDMA system using polarization multiplexing is shown to operate at data rates of 2.5 Gb/s within a 40-GHz transparent optical window with a bit error rate (BER) better than 10(-9) and a spectral efficiency of 25%..

    Journal Title

    Journal of Lightwave Technology

    Volume

    24

    Issue/Number

    1

    Publication Date

    1-1-2006

    Document Type

    Article; Proceedings Paper

    Language

    English

    First Page

    77

    Last Page

    87

    WOS Identifier

    WOS:000235270600012

    ISSN

    0733-8724

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