TN761 2004064380 基于长周期光栅的有机聚合物高速电光调制器=A novel electro-optic polymer modulator based on long period fiber gratings[刊,中]/董小伟(北京交通大学光波技术研究所.北京(100044)),裴丽…∥光学技术.—2004,30(...TN761 2004064380 基于长周期光栅的有机聚合物高速电光调制器=A novel electro-optic polymer modulator based on long period fiber gratings[刊,中]/董小伟(北京交通大学光波技术研究所.北京(100044)),裴丽…∥光学技术.—2004,30(3).—289-291,295 结合长周期光栅的特性和有机聚合物的优点,首次提出了一种新型的基于长周期光栅的有机聚合物高速电光调制器结构。应用多层光波导理论。展开更多
With the help of the effective refractive index method we have numerically analyzed a multilayer planar waveguide structure and calculated the propagation constants, confinement factors, and transverse electric (TE) m...With the help of the effective refractive index method we have numerically analyzed a multilayer planar waveguide structure and calculated the propagation constants, confinement factors, and transverse electric (TE) modes. A five-layer waveguide model has been provided to analyze the electro-magne tic wave propagation process. The analysis method has been applied to the 980 nm laser with active layer of GaInAs/GaInAsP strained quantum wells, GaInAsP confinement layers and GaInP cap layers. By changing the thickness of confinement layers, we obtained confinement factor as high as 95% with higher TE modes TE1 and TE2. The results are in good agreement with the experiment by A. Al-Muhanna et al. and give the new idea to enhance output power of semiconductor lasers. The analysis method can also be extended to any other slab multilayer waveguide structures, and the results are useful to the fabrication of optic-electronic devices.展开更多
文摘TN761 2004064380 基于长周期光栅的有机聚合物高速电光调制器=A novel electro-optic polymer modulator based on long period fiber gratings[刊,中]/董小伟(北京交通大学光波技术研究所.北京(100044)),裴丽…∥光学技术.—2004,30(3).—289-291,295 结合长周期光栅的特性和有机聚合物的优点,首次提出了一种新型的基于长周期光栅的有机聚合物高速电光调制器结构。应用多层光波导理论。
文摘With the help of the effective refractive index method we have numerically analyzed a multilayer planar waveguide structure and calculated the propagation constants, confinement factors, and transverse electric (TE) modes. A five-layer waveguide model has been provided to analyze the electro-magne tic wave propagation process. The analysis method has been applied to the 980 nm laser with active layer of GaInAs/GaInAsP strained quantum wells, GaInAsP confinement layers and GaInP cap layers. By changing the thickness of confinement layers, we obtained confinement factor as high as 95% with higher TE modes TE1 and TE2. The results are in good agreement with the experiment by A. Al-Muhanna et al. and give the new idea to enhance output power of semiconductor lasers. The analysis method can also be extended to any other slab multilayer waveguide structures, and the results are useful to the fabrication of optic-electronic devices.