Abstract

Simultaneous modulation of 2.5-Gb/s baseband, microwave-band,and 59.6-GHz 155.52-Mb/s differential phase-shift keying signals on a single wavelength, using a single 60-GHz-band electroabsorption modulator (EAM),and fiber-optic transmission over a 40-km-long dispersion-shifted fiber (DSF) was experimentally demonstrated. The optimum operating conditions for three-band modulation and transmission were theoretically investigated. Degradation due to the nonlinearity of the EAM for the millimeter-wave signal is discussed theoretically. The fading problem due to the fiber dispersion of the standard single-mode fiber and the DSF was also investigated.

© 2003 IEEE

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J. Lightwave Technol. (3)

Other (7)

A. Stöhr, K. Kitayama and T. Kuri, "Fiber-length extension in an optical 60-GHz transmission system using an EA-modulator with negative chirp", IEEE Photon. Technol. Lett., vol. 11, pp. 739-741, June 1999 .

T. Kamisaka, T. Kuri and K. Kitayama, "Simultaneous modulation and fiber-optic transmission of 10 Gb/s baseband and 60-GHz-band radio signals on a single wavelength", IEEE Trans. Microwave Theory Tech., vol. 49, pp. 2013-2017, 2001.

D. J. Blumenthal, J. Laskar, R. Gaudino, S. Han, M. D. Shell and M. D. Vaughn, "Fiber-optic link supporting baseband data and subcarrier-multiplexed control channels and the impact of MMIC photonic/microwave interfaces", IEEE Trans. Microwave Theory Tech., vol. 45, pp. 1443-1451, 1997.

A. Martinez, V. Polo and J. Marti, "Simultaneous baseband and RF optical modulation scheme for feeding wires and wireline heterogeneous access network", IEEE Trans. Microwave Theory Tech., vol. 49, pp. 2018 -2024, 2001.

T. Kuri, K. Kitayama and Y. Ogawa, "Fiber-optic millimeter-wave uplink system incorporating remotely fed 60-GHz-band optical pilot tone", IEEE Trans. Microwave Theory Tech., vol. 47, pp. 1332-1357, July 1999.

M. Suzuki, Y. Noda and Y. Kushiro, "Characterization of a dynamic spectral width of an InGaAsP/InP electroabsorption light modulator", Trans. IEICE, vol. E69, no. 4, pp. 395-398, Apr. 1986.

G. P. Agrawal, 2-4 Nonlinear Optics, 2nd ed. New York: Academic, 1995.

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