A Novel Filter Based on a Subwavelength Grating Focusing Reflector and a DBR

Shaojuan Mao,Yongqing Huang,Hongming Gu,Baoying Liu,Xiaofeng Duan,Xiaomin Ren

A Novel Filter Based on a Subwavelength Grating Focusing Reflector and a DBR

2018

Shaojuan Mao
Yongqing Huang
Hongming Gu
Baoying Liu
Xiaofeng Duan
Xiaomin Ren

A filter composed of a focusing grating reflector and a DBR is investigated. The full width at half maximum is ~1.0172nm with a wide tuning range of 31.5nm and side mode suppress ratio of 8dB.

Keywords:

Optical filter
Photonics
Full width at half maximum
Optics
Physics
Band-pass filter
Grating
Materials science

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