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Demonstration of a thermo-optic phase shifter by utilizing high-Q resonance in high-index-contrast grating
Optics Letters ( IF 3.1 ) Pub Date : 2018-02-12 , DOI: 10.1364/ol.43.000827 Jiaxin Lv , Xuefan Yin , Jicheng Jin , Haiyang Zhang , Che Zhao , Chao Peng , Weiwei Hu
Optics Letters ( IF 3.1 ) Pub Date : 2018-02-12 , DOI: 10.1364/ol.43.000827 Jiaxin Lv , Xuefan Yin , Jicheng Jin , Haiyang Zhang , Che Zhao , Chao Peng , Weiwei Hu
A thermo-optic phase shifter is proposed and demonstrated by utilizing the high- resonance in high-index-contrast grating (HCG). The -factor up to is measured in a footprint of . By heating the HCG with paired metal strip micro-heaters, the optical resonance shifts, which induces phase modulation. A phase shift of under heating power of is directly observed and demodulated from the fringes shifting in a Michelson interferometer. The proposed configuration can also be extended to realize high-speed phase shift by adopting electro-optical modulation.
中文翻译:
利用高折射率对比光栅中的高Q共振演示热光移相器
提出了一种热光移相器,并利用高相移技术进行了演示。高折射率对比光栅(HCG)中的共振。这高达 在占位面积中测量 。通过用成对的金属条微加热器加热HCG,光学共振发生位移,从而引起相位调制。相移 在...的加热功率下 直接从迈克尔逊干涉仪中的条纹位移观察和解调。所提出的配置还可以扩展为通过采用电光调制来实现高速相移。
更新日期:2018-02-14
中文翻译:
利用高折射率对比光栅中的高Q共振演示热光移相器
提出了一种热光移相器,并利用高相移技术进行了演示。高折射率对比光栅(HCG)中的共振。这高达 在占位面积中测量 。通过用成对的金属条微加热器加热HCG,光学共振发生位移,从而引起相位调制。相移 在...的加热功率下 直接从迈克尔逊干涉仪中的条纹位移观察和解调。所提出的配置还可以扩展为通过采用电光调制来实现高速相移。