应变量子阱光放大器中NDFWM波长转换和滤波(英文)  

Wavelength Filter and Converter by Nondegenerate Four-wave Mixing in an Optical Amplifier with Tensile and Compressively Strained Quantum Wells

作　　者：周立新[1] 蒋雁[1] 

机构地区：[1]东南大学物理系,南京210096

出　　处：《光电子．激光》2002年第12期1256-1262,共7页Journal of Optoelectronics·Laser

摘　　要：报告了一种新型的波长转换滤波器 ,它产生于拉伸 /压缩应变量子阱 (T/ C SQW)光放大器中的非简并四波混频 (NDFWM)。提出 T/ C SQW转换滤波器的结构 ,并由器件的耦合模式实现了波长的转换滤波。讨论了 T/ C SQW光放大器的特征参数对输出效率、输出带宽及频移的影响。在 0 .0 1量级 ,该器件可用作具有高转换效率及窄带的滤波器和波长转换器 ,其频率转换的范围取决于半导体介质的增益带宽 ,可达到 5 0 0 0A Novel kind of wavelength filter and converter using nondegenerate four wave mixing (NDFWH) in an optical amplifier with tensile and compressively strained quantum wells (T/C SQW) was reported in this paper.The configuration of the T/C SQW converting filter was designed first,folowed by the establishment of the coupling model of the device.The influences of the property parameters of the optical amplifier with T/C SQW on the output efficiency,3 dB bandwidth,and the frequency shift were mainly discussed.The device can serve as both filter and wavelength converter with high conversion efficiency and narrow bandwidth on the order of 0.01 nm.Meanwhile,the frequency conversion range,which is decided by the gain bandwidth of the semiconductor media,is up to 5 000 GHz in the considered case.

关 键 词：光放大器 NDFWM 量子阱 波长转换器 滤波器 非简单四波混频 

分 类 号：TN929.11[电子电信—通信与信息系统] TN7[电子电信—信息与通信工程]