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孙晓文 1120349016
Optical Filter Based on SOI
23/4/21 2
Outline
Introduction of silicon photonics
Target of the design of optical filter
Analysis of existed optical filters
Advantage of Silicon Photonics
集成不同类型的器件到同一个硅基平台上
与 CMOS 工艺的兼容性,光子器件同电子器件单片集成,将电子的计算能力与光子的互连能力通过单个硅基芯片融合。
硅 (n=3.45)/ 二氧化硅 (n=1.45) 此 SOI 结构对光的限制能力很强,光子器件的尺寸 nm
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Target of the design
Large FSR
Bandwidth tunable
Wavelength tunable
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Add-drop filter type microring resonator
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34
2 1
EE r it
E it r E
Through: 2 1 2
1 1 2
( )1
i
i
E r r ae
E r r ae
Drop:2
5 1 2
1 1 2
R( )1
i
i
E t t ae
E r r ae
Add-drop filter type microring resonator(2)
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Schematic of the vertical structure of SOI
Transmission Spectrum
Discrete and Fine Wavelength TunableThermo-Optic WSS for Low PowerConsumption C+L Band Tunability
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FSRextended = m1FSR1 = m2FSR2
To get the maximum FSR expansion and maximum suppression of the interstitial peaks:
m2 = m1 −1
(2)
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Wavelength tunable
Bandwidth tunable
Tunable Vernier Microring Optical Filters Using p-i-p Resistor-Based Micro-Heaters
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R1 = 10 um and R2 = 12 um
the filter wavelength can be tuned to cover one FSR of 47
nm
Bandwidth and wavelength-tunable optical bandpass filter based on
silicon microring-MZI structure
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