Extraordinary sensitivity in optical microfiber based refractive index sensors near the turning point of turning point of effective group index difference

被引:0
|
作者
Li, Kaiwei [1 ]
Zhang, Ting [1 ]
Liu, Guigen [2 ]
Zhang, Nan [1 ]
Zhang, Mengying [1 ]
Wei, Lei [1 ]
机构
[1] Nanyang Technol Univ, Sch Elect & Elect Engn, Singapore 639798, Singapore
[2] Univ Nebraska, Dept Elect & Comp Engn, Lincoln, NE 68588 USA
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中图分类号
O43 [光学];
学科分类号
070207 ; 0803 ;
摘要
We show that optical microfiber coupler sensors operating near the dispersion turning point can achieve ultrahigh refractive index (RI) sensitivity at RI around 1.33. It opens up new opportunities to ultra-sensitive biochemical sensing.
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页数:3
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