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基于铌酸锂光子线波长分裂器的研究

Wavelength splitter in LiNbO3 photonic wire device

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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1.31 μm和1.55 μm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1.31 μm与1.55 μm的光波在空间上可以分离开。并且, 1.31 μm波的透射率可以达到91%, 1.55 μm波的透射率可以达到86%。该器件的尺寸只有26.2 μm×10.1 μm。

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 1.31 μm and 1.55 μm 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 1.31 μm and 1.55 μm light waves are spatially separated. In this device, transmittances at the 1.31 and 1.55 μm wavelength are 91% and 86% respectively. The size of this device is only 26.2 μm×10.1 μm.

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中图分类号:O436.4

DOI:10.3788/irla201645.0620003

所属栏目:光电器件与微系统

基金项目:国家自然科学基金(61040064)

收稿日期:2015-10-05

修改稿日期:2015-11-03

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作者单位    点击查看

陈明:西安邮电大学 电子工程学院, 陕西 西安 710121
赵永乐:西安邮电大学 电子工程学院, 陕西 西安 710121
牛奔:西安邮电大学 电子工程学院, 陕西 西安 710121
宋华:西安邮电大学 电子工程学院, 陕西 西安 710121

联系人作者:赵永乐(335946421@qq.com)

备注:陈明(1956-), 男, 教授, 博士, 主要从事集成光学、微波光子学等方面的研究。

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引用该论文

Chen Ming,Zhao Yongle,Niu Ben,Song Hua. Wavelength splitter in LiNbO3 photonic wire device[J]. Infrared and Laser Engineering, 2016, 45(6): 0620003

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): 0620003

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