| FUNDAMENTAL AREAS OF PHENOMENOLOGY(INCLUDING APPLICATIONS) |
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Suppression of Nonlinear Patterning Effect in Wavelength Conversion Based on Transient Cross-Phase Modulation in Semiconductor Optical Amplifier Assisted with a Detuning Filter |
| ZHOU En-Bo, ZHANG Xin-Liang, YU Yu, HUANG De-Xiu |
| Wuhan National Laboratory for Optoelectronics, Huazhong University of Science and Technology, Wuhan 430074 |
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| Cite this article: |
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ZHOU En-Bo, ZHANG Xin-Liang, YU Yu et al 2009 Chin. Phys. Lett. 26 034213 |
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Abstract Nonlinear patterning (NLP) effect in wavelength conversion based on transient cross-phase modulation (XPM) in semiconductor optical amplifier (SOA) assisted with a detuning filter is theoretically investigated. A non-adiabatic model is used to estimate the ultrafast dynamics of gain, phase and electron temperature in the SOA. Simulation results show that the NLP can be greatly suppressed by introducing an assist light, especially for the probe wavelength distant from gain peak. Furthermore, the results also indicate that the improvement is more evident for long wavelength probe light and assist light in counter-propagating configuration.
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| Keywords:
42.65.Ky
42.65.Re
42.65.Sf
42.60.Da
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Received: 19 November 2008
Published: 19 February 2009
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| PACS: |
42.65.Ky
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(Frequency conversion; harmonic generation, including higher-order harmonic generation)
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42.65.Re
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(Ultrafast processes; optical pulse generation and pulse compression)
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42.65.Sf
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(Dynamics of nonlinear optical systems; optical instabilities, optical chaos and complexity, and optical spatio-temporal dynamics)
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42.60.Da
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(Resonators, cavities, amplifiers, arrays, and rings)
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