Noise in wavelength conversion using four-wave mixing in semiconductor optical amplifiers

被引:7
|
作者
Martelli, F [1 ]
Mecozzi, A [1 ]
DOttavi, A [1 ]
Scotti, S [1 ]
Spano, P [1 ]
DallAra, R [1 ]
Eckner, J [1 ]
Guekos, G [1 ]
机构
[1] ETH ZURICH,INST QUANTUM ELECT,CH-8093 ZURICH,SWITZERLAND
关键词
D O I
10.1063/1.118400
中图分类号
O59 [应用物理学];
学科分类号
摘要
We measure the pump power dependence of efficiency and signal-to-background ratio in wavelength conversion using four-wave mixing in semiconductor optical amplifiers, for different lengths of the device. We show that the efficiency for a l-mm-long amplifier is about 40 dB larger and the signal-to-noise ratio is about 23 dB larger than for a 0.25 mm amplifier. We also show that, unlike the efficiency, for constant ratio between pump- and signal-power, the signal-to-background ratio monotonically increases with the pump Fewer. We show theoretically that this behavior holds for any range of pump-power values. (C) 1997 American Institute of Physics.
引用
收藏
页码:306 / 308
页数:3
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