Data for: Nonlinear signal processing in a chalcogenide plasmonic nanoresonator

We have numerically studied the quasi pulse evaluation in a nonlinear metal-dielectric-metal (MDM) plasmonic nanoresonator at telecom wavelength. In this system a MDM waveguide, vertically coupled to stub filled with nonlinear chalcogenide glasses to make a nonlinear plasmonic nanoresonator (NPNR). NPNR shows two kinds of optical bistability i.e. S-type and Z-type. The effect of S-type and Z-type bistability on the Gaussian input pulse is studied numerically and showed that the output pulses are square pulse for S-type and nearly dark soliton shape for Z-type pulse if the peak input intensity larger than critical intensity. The output shape of pulse is strongly depending on the input peak power of pulse so such signal processing refers to all optical self-signal processing.

我们对电信波长下非线性金属-介质-金属（metal-dielectric-metal，MDM）等离子体纳米谐振器中的准脉冲演化进行了数值研究。在该系统中，MDM波导与填充非线性硫系玻璃的短截线垂直耦合，构成非线性等离子体纳米谐振器（nonlinear plasmonic nanoresonator，NPNR）。NPNR呈现两种光学双稳态（optical bistability），即S型和Z型。通过数值研究S型和Z型双稳态对高斯输入脉冲的影响，结果表明：当输入峰值强度大于临界强度（critical intensity）时，S型双稳态对应的输出脉冲为方波脉冲，Z型对应的输出脉冲则接近暗孤子形状。脉冲的输出形状强烈依赖于输入峰值功率，因此这种信号处理属于全光自信号处理（all-optical self-signal processing）。