A new S-type of erbium-ytterbium co-doped phosphate glass waveguide amplifier integrated with cascaded multilayer medium thin film filter is proposed,this S-type geometry waveguide structure is used to achieve a long ...A new S-type of erbium-ytterbium co-doped phosphate glass waveguide amplifier integrated with cascaded multilayer medium thin film filter is proposed,this S-type geometry waveguide structure is used to achieve a long path in a compact chip,and obtained higher gain with lower Er-doped concentration. The cascaded multilayer medium thin film filter is utilized to achieve a broader flattening gain bandwidth.The intrinsical gain spectrum is obtained by solving rate and power propagation equations,the effect of transmittance spectrum of thin film filter on flattening gain is discussed.展开更多
随着信息技术的发展,市场对于更小型化、更高效光器件的需求不断增加.采用互补金属氧化物半导体(complementary metal oxide semiconductor,CMOS)工艺,成功制备了Si_(3)N_(4)光功率分束器并对其进行测试.结果表明,在1550 nm波长下,边缘...随着信息技术的发展,市场对于更小型化、更高效光器件的需求不断增加.采用互补金属氧化物半导体(complementary metal oxide semiconductor,CMOS)工艺,成功制备了Si_(3)N_(4)光功率分束器并对其进行测试.结果表明,在1550 nm波长下,边缘优化的1×8功率分束器的总损耗仅为1.30 dB,且其体积相较于传统设计可减小30%.本研究应用逆向优化算法,突破了传统设计仅能针对规则图形设计的限制,为实现小尺寸、低损耗的光功率分束器提供了一种可行途径.展开更多
文摘A new S-type of erbium-ytterbium co-doped phosphate glass waveguide amplifier integrated with cascaded multilayer medium thin film filter is proposed,this S-type geometry waveguide structure is used to achieve a long path in a compact chip,and obtained higher gain with lower Er-doped concentration. The cascaded multilayer medium thin film filter is utilized to achieve a broader flattening gain bandwidth.The intrinsical gain spectrum is obtained by solving rate and power propagation equations,the effect of transmittance spectrum of thin film filter on flattening gain is discussed.