| 基于铌酸锂光子线波长分裂器的研究 |
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| 引用本文： | 陈明,赵永乐,牛奔,宋华.基于铌酸锂光子线波长分裂器的研究[J].红外与激光工程,2016,45(6):620003-0620003(4). |
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| 作者姓名： | 陈明 赵永乐 牛奔 宋华 |
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| 作者单位： | 1.西安邮电大学 电子工程学院,陕西 西安 710121 |
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| 基金项目： | 国家自然科学基金(61040064) |
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| 摘 要： | 在集成光学领域,光波长分裂器对于光信号重新分配具有重要作用。设计了一种光波长分离器,这种器件可以把波长为1.31m和1.55m光的TE模式分裂开。该器件基于两个平行铌酸锂光子线的定向耦合器的工作原理,并且可以用有限元法设计和仿真。计算稳态场分布表明,波长为1.31m与1.55m的光波在空间上可以分离开。并且,1.31m波的透射率可以达到91%,1.55m波的透射率可以达到86%。该器件的尺寸只有26.2m10.1m。
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| 关 键 词： | 集成光学 铌酸锂光子线 波长分裂器 耦合长度 |
| 收稿时间： | 2015-10-05 |
Wavelength splitter in LiNbO3 photonic wire device |
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| Affiliation: | 1.School of Electronic Engineering,Xi'an University of Posts &Telecommunications,Xi'an 710121,China |
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| Abstract: | In the field of integrated optics, optical wavelength splitters is a key element in light signal redistribution. A optical wavelength splitter was presented for 1.31m and 1.55m wavelengths with TE mode. The device was based on the operating principle of a directional coupler in two parallel LiNbO3 photonic wire, and can be designed and simulated by finite element method. The calculated steady-state field distributions indicate that the wavelengths of 1.31m and 1.55m light waves are spatially separated. In this device, transmittances at the 1.31 and 1.55m wavelength are 91% and 86% respectively. The size of this device is only 26.2m10.1m. |
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