40 Gb/s optical wavelength converter for NRZ-DPSK signal based on four wave mixing in semiconductor optical amplifier

Harmanjeet Kaur Sidhu; R. S. Kaler

doi:10.1117/12.684981

2 October 2006 40 Gb/s optical wavelength converter for NRZ-DPSK signal based on four wave mixing in semiconductor optical amplifier

Harmanjeet Kaur Sidhu, R. S. Kaler

Author Affiliations +

Proceedings Volume 6389, Active and Passive Optical Components for Communications VI; 63891C (2006) https://doi.org/10.1117/12.684981
Event: Optics East 2006, 2006, Boston, Massachusetts, United States

Abstract

We simulated, 40 Gb/s wavelength converter for non-return to zero differential phase shift keying (NRZ-DPSK) signal using four wave mixing in semiconductor optical amplifier (SOA), for the first time. Also optimize the signal-to-pump ratio for NRZ-DPSK. The optimum signal-to-pump ratio is 12 dB & 10 dB with Q-factor penalty of 0.685 dB & 0.663 dB. The dependence of four wave mixing efficiency and converted signal power with signal input power studied & it is evaluated that four wave mixing efficiency decrease with increase in input power. The impact of pump power, signal-to-pump ratio, SOA parameters with Q-factor penalty for 40 Gb/s has been illustrated. We show that converted signal power increase up to saturation power of semiconductor optical amplifier, then decreases. It is observed that for optimum pump power, OSNR varies small with signal input power. Investigation also made for transmission distance after conversion.

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Harmanjeet Kaur Sidhu and R. S. Kaler "40 Gb/s optical wavelength converter for NRZ-DPSK signal based on four wave mixing in semiconductor optical amplifier", Proc. SPIE 6389, Active and Passive Optical Components for Communications VI, 63891C (2 October 2006); https://doi.org/10.1117/12.684981

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KEYWORDS

Four wave mixing

Semiconductor optical amplifiers

Eye

Optical amplifiers

Astatine

Distortion

Picosecond phenomena

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