Abstract

The properties of an all-optical 2R regenerator based on four-wave mixing (FWM) in a semiconductor optical amplifier (SOA) are investigated. The regeneration is based on the nonlinear FWM transfer function and a study of the system's static behavior reveals the operating conditions, under which the transfer function approaches most the ideal, step-like discrimination characteristic function. A fiber Bragg grating (FBG) is employed in order to overcome the SOAs speed limitations due to limited carrier dynamics. The simulations with dynamic input data by means of extinction ratio (ER) and Q-factor calculations, showed satisfactory regenerative behavior up to 40 Gb/s.

© 2004 IEEE

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J. Lightwave Technol. (3)

Other (17)

A. D'Ottavi, E. Iannone, A. Mecozzi, S. Scotti, P. Spano, R. Dall'Ara, J. Eckner and G. Guekos, "Efficiency and noise performance of wavelength converters based on FWM in semiconductor optical amplifiers", IEEE Photon. Technol. Lett., vol. 7, pp. 357-359, 1995.

A. D'Ottavi, F. Girardin, L. Graziani, F. Martelli, P. Spano, A. Mecozzi, S. Scotti, R. Dall'Ara, J. Eckner and G. Guekos, "Four-wave mixing in semiconductor optical amplifiers: A practical tool for wavelength conversion", IEEE J. Select. Topics Quantum Electron., vol. 3, pp. 522-528, 1997.

K. S. Jepsen, A. Buxens, A. T. Clausen, H. N. Poulsen, B. Mikkelsen and K. E. Stubkjaer, "20 Gbit/s optical 3R regeneration using polarization-independent monolithically integrated Michelson interferometer", Electron. Lett., vol. 34, pp. 472-474, 1998.

J. D. Merlier, G. Morthier, S. Verstuyft, T. V. Caenegem, I. Moerman, P. V. Daele and R. Baets, "Experimental demonstration of all-optical regeneration using an MMI-SOA", IEEE Photon. Technol. Lett., vol. 14, pp. 660-662, 2002.

M. Matsumoto, "Analysis of optical regeneration utilizing self-phase modulation in a highly nonlinear fiber", IEEE Photon. Technol. Lett., vol. 14, pp. 319-321, 2002.

T. Erdogan, "Fiber grating spectra", J. Lightwave Technol. , vol. 15, pp. 1277-1294, 1997.

P. S. Cho, D. Mahgerefteh and J. Goldhar, "All-optical 2R regeneration and wavelength conversion at 20 Gb/s using an electroabsorption modulator", IEEE Photon. Technol. Lett., vol. 11, pp. 1662-1664, 1999.

E. Ciaramella and S. Trillo, "All-optical signal reshaping via four-wave mixing in optical fibers", IEEE Photon. Technol. Lett., vol. 12, pp. 849-851, 2000.

A. Bogris and D. Syvridis, "Regenerative properties of a pump-modulated four wave mixing scheme in dispersion shifted fibers", J. Lightwave Technol. , vol. 21, pp. 1892-1902, Sept. 2003.

H. Simos, A. Argyris, D. Kanakidis, E. Roditi, A. Ikiades and D. Syvridis, "Regenerative properties of wavelength converters based on FWM in a semiconductor optical amplifier", IEEE Photon. Technol. Lett., vol. 15, pp. 566-568, 2003.

S. Diez, C. Schmidt, R. Ludwig, H. G. Weber, K. Obermann, S. Kindt, I. Koltchanov and K. Petermann, "Four-wave mixing in semiconductor optical amplifiers for frequency conversion and fast optical switching", IEEE J. Select. Topics Quantum Electron., vol. 3, pp. 1131-1145, 1997.

D. F. Geraghty, R. B. Lee, M. Verdiell, M. Ziari, A. Mathur and K. J. Vahala, "Wavelength conversion for WDM communication systems using four-wave mixing in semiconductor optical amplifiers", IEEE J. Select. Topics Quantum Electron., vol. 3, pp. 1146-1155, 1997.

T. Mukai and T. Saitoh, "Detuning characteristics and conversion efficiency of nearly degenerate four-wave mixing in a 1.5-µ m traveling-wave semiconductor laser amplifier", IEEE J. Quantum Electron., vol. 26, pp. 865-875, 1990.

N. C. Kothari and D. J. Blumenthal, "Influence of gain saturation, gain asymmetry and pump/probe depletion on wavelength-conversion efficiency of FWM in semiconductor optical amplifiers", IEEE J. Quantum Electron., vol. 32, pp. 1810-1816, 1996.

G. P. Agrawal and N. A. Olsson, "Shelf phase modulation and spectral broadening of optical pulses in semiconductor laser amplifiers", IEEE J. Quantum Electron., vol. 25, pp. 2297-2306, 1989.

J. M. Tang and K. A. Shore, "Active picosecond optical pulse compression in semiconductor optical amplifiers", IEEE J. Quantum Electron., vol. 35, pp. 93-100, 1999.

A. Mecozzi and J. Mørk, "Saturation effects in nondegenerate four-wave mixing between short optical pulses in semiconductor laser amplifiers", IEEE J. Select. Topics Quantum Electron., vol. 3, pp. 1190-1207, 1997.

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