Abstract

The design of an eight-channel 25 µs wavelength-division-multiplexed (WDM) microwave photonic delay line is described. The performance of the delay line was studied by measuring the temperature dependent relative phase drift between channels and the interchannel crosstalk. A simple method for measuring the maximum phase errors produced by the interchannel crosstalk is described and used to measure the maximum error on a channel in this system. The use of polarization interleaving and dispersion compensation to reduce the effects of crosstalk in the system is examined experimentally.

© 2004 IEEE

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J. Lightwave Technol. (4)

Other (8)

E. E. Funk, A. L. Campillo and D. A. Tulchinsky, "Nonlinear distortion and crosstalk in microwave fiber-radio links", in Microwave Symposium Digest, 2002 IEEE MTT-S International, vol. 3, June 2002, pp. 1691- 1693.

M. R. Philips, "Crosstalk in an eight-wavelength WDM analog lightwave system: Measurement and analysis", in Proc. Optic. Fiber commun. Conf. OFC 2001, 2001.

A. Campillo, D. Tulchinsky, E. Funk and K. Williams, "RF phase distortion due to crosstalk in an 8 channel wavelength division multiplexed analog delay line", in Proc. OSA Trends in Optics and Photonics (TOPS) vol. 86, Optical Fiber Communications Conference, Technical Digest, Washington, DC, 2003, pp. 729-730.

J. Chen, H. Kim and Y. C. Chung, "Inter-channel interference in multispan WDM transmissions around perfect dispersion compensated region", Opt. Commun. , vol. 213, pp. 367-371, 2002.

J. Chen, H. Kim and Y. C. Chung, "Cross-phase modulation in short-period dispersion managed fiber", IEEE Photon. Technol. Lett., vol. 13, pp. 663-665, July 2001.

H. Schmuck, "Comparison of optical millimeter-wave system concepts with regard to chromatic dispersion", Inst. Elec. Eng. Electron. Lett., vol. 31, no. 21, pp. 1848-1849, Oct. 1995.

M. R. Phillips, T. E. Darcie, D. Marcuse, G. E. Bodeep and N. J. Frigo, "Nonlinear distortion generated by dispersive transmission of chirped intensity-modulated signals", IEEE Photon. Technol. Lett., vol. 3, pp. 481-483, May 1991.

J. L. Corral, J. Marti and J. M. Fuster, "General expressions for IM/DD dispersive analog optical links with external modulation or optical up-conversion in a Mach-Zehnder electrooptical modulator", Trans. Microw. Theory Tech., vol. MTT-49, pp. 1968-1976, Oct. 2001.

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