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Liquid Crystal Based Rib Waveguide

delete2020-01-01
delete16
PRE
AI
U
U. S. Tripathi *
V
Vipul Rastogi
DOI：10.1109/jlt.2020.2985924delete
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摘要

摘要

En 中文
我们报告了熔融石英基板上的电控液晶芯肋形波导，其中波导的模态特性可以在很宽的波长范围内进行调谐。提出了共面电极结构，用于控制波导中LC分子的方向。波导的电控折射率对比度和分布用于波导的单模和双模操作。我们通过实验证明了通过外部施加的电压从单模操作到双模操作的转变。在单模状态下，外部施加的电压已用于将模式的模场直径沿水平方向从11.6调整到9.2 μ m，沿垂直方向从7.8调整到6.4 μ m。在双模态下，已对基于长周期波导光栅 (LPWG) 的模式转换器进行了数值演示，并获得了从TE00模式到TE01模式的99.9% 以上功率转换。此外，我们展示了在LC芯肋形波导中使用LPWG的电可调波长滤波器。对于这种电可调波长滤波器，我们已经获得了140 nm的调谐范围。所提出的基于液晶的肋形波导具有片上低成本制造的可能性。
Keyword:
Electro-optic devices
liquid-crystal devices
optical waveguides
LPWG
optical waveguide filters
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期刊

Journal of Lightwave Technology 封面图
Journal of Lightwave Technology
IF:
4.8
论文数:
1.7W
被引数:
3.8W

机构

I
instruments research & development establishment (irde)
学者数:
18
论文数: 12
被引数: 0
D
defence research & development organisation (drdo)
学者数:
5.6K
论文数: 4.4K
被引数: 6
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