Pump-probe detuning dependence of four-wave mixing pulse in an SOA

被引：2

作者：

Kennedy, B. F. ^{[1
]}

Bondarczuk, K. ^{[2
]}

Barry, L. P. ^{[2
]}

机构：

[1] Univ Santiago, Dept Engn, Estacion Cent, Chile

[2] Dublin City Univ, Sch Elect Engn, RINCE, Dublin 9, Ireland

来源：

IEEE PHOTONICS TECHNOLOGY LETTERS | 2007年 / 19卷 / 21-24期

关键词：

optical pulse measurements; optical signal processing; semiconductor optical amplifiers (SOAs);

D O I：

10.1109/LPT.2007.909637

中图分类号：

TM [电工技术]; TN [电子技术、通信技术];

学科分类号：

0808 ; 0809 ;

摘要：

Four-wave mixing (FWM) between 2-ps pulses in a multiquantum-well semiconductor optical amplifier (SOA) is presented. The conjugate pulses are fully characterized using the frequency-resolved optical gating technique. The detuning between the pump and probe is varied, leading to a compression of the FWM signal from 3.71 to 2.77 ps as the detuning is increased from 5 to 25 nm. The output conjugate pulse is always broader than the injected probe signal due to gain saturation effects. A reshaping of the conjugate pulse is also measured. However, large nonlinearities are introduced to the frequency chirp across the pulse for large detunings which may degrade the performance of four-wave-mixing-based all-optical processing applications in SOAs.

引用

页码：2033 / 2035

页数：3

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