为了制备偏振不灵敏的半导体光放大器(SOA),将有源区设计为由4个压应变、3个张应变阱层及晶格匹配的垒层InGaAsP交替组合而成的应变补偿结构.器件做成带有倾角的扇形脊形波导结构,避免了常规制作SOA的复杂工艺.对样品3在80~125 mA电流范围内,获得了偏振灵敏度≤0.6 dB,最小可达0.1 dB; 较大的电流范围内FWHM值为40 nm.
参考文献
[1] | Bagley M,Sherlock G, Cooper D M, et al. Broadband operation of InGaAsP-InGaAs GRIN-SC-MQW BH amplifier with 115mW output power[J]. Electron Lett., 1990, 26(8): 512-513. |
[2] | Zhang R Y, Dong J, Zhou F,et al. A novel polarization-insensitive semiconductor optical amplifier structure with large 3 dB bandwith [A]. Proceedings of SPIE [C]. 2001,4580:116-123. |
[3] | Eisenstein G, Koren U, Raybon G,et al. Large-and small-signal gain characteristics of 1.5μm multiple well optical amplifiers[J]. Appl.Phys.Lett., 1990, 56 (13):1201-1203. |
[4] | Zhang Y M, Ruden P P. 1.3μm polarization-insensitive optical amplifier structure based on coupled quantum wells[J].IEEE J.Quantum Electron., 1999, 35(10):1509-1514. |
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