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李玲玲,恽斌峰,胡国华,沈学可,丁森,崔一平.高品质因子聚合物可重构微环谐振腔滤波器[J].光电子激光,2015,26(4):682~687

高品质因子聚合物可重构微环谐振腔滤波器

A reconfigurable polymer micro-ring resonator filter with high quality factor

投稿时间：2015-01-21

DOI：

中文关键词: 聚合物光波导微环谐振腔可重构滤波器

英文关键词:polymer optical waveguide micro-ring resonator reconfigurable filter

基金项目:

作者	单位
李玲玲	东南大学先进光子学中心,江苏南京 210096
恽斌峰	东南大学先进光子学中心,江苏南京 210096
胡国华	东南大学先进光子学中心,江苏南京 210096
沈学可	东南大学先进光子学中心,江苏南京 210096
丁森	东南大学先进光子学中心,江苏南京 210096
崔一平	东南大学先进光子学中心,江苏南京 210096

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中文摘要:

以聚合物ZPU-44和聚砜(PSU,polysulfone risi n)分别作为波导包层和芯层材料,采用倒脊形波导结构,设计并优化了聚合物可重构微环谐振腔滤波器的波导截面参数、弯曲半径、耦合区波导长度和间距以及调谐电极等结构参数,分析了其谐振滤波特性。采用传统的微加工工艺制备了聚合物可重构微环谐振腔滤波器并进行了测试。结果表明,其在通信波段1550nm附近的自由光谱范围(FSR)为0.15nm,3dB带宽约为0.0235nm, 品质因子Q达6.60×10⁴,在0~ 4V电压范围内实现了0.5~12.95dB消光比的调谐,且谐振波长调谐一个FSR的电压为4.75V,与理论设计基本相符。本文的聚合物可重构微环谐振腔滤波器可用于集成波导可调谐光延时线和可调谐滤波。

英文摘要:

A polymer reconfigurable micro-ring resonator filter,which is based on inverted ridge waveguide structure using ZPU-44and polysulfone (PSU) as the wavegui de cladding layer and core layer materials,respectively,is theoretically designed and optimized,inc luding the waveguide cross section size,the bending radius,the coupling length,the coupl ing gap size, and the thermo-optic tuning electrode parameters.In addition,the characterist ics of the polymer reconfigurable micro-ring resonator filter are analyzed.The polymer reconfigur able micro-ring resonator,which is fabricated by the traditional micro processing technology,is tested,and the results show that around the wavelength of 1550nm,the free spectral range (FSR),3dB bandwidth and quality factor Q of the polymer reconfigur able micro-ring resonator are 0.15nm, 0.0235nm and 6.60×10⁴,respectively.What′s more,the extin ction ratio of the micro-ring resonator filter can be tuned from 0.5dB to 12.95dB in the voltage range from 0V to 4V .And only 4.75V is needed to tune the resonant wavelength of the micro-ring resonator filter ac ross an FSR,which is nearly the same as the simul ation re sults.The reconfigurable polymer micro-ring resonator filter is very useful for integrated waveguide tunable opt ical delay line and tunable filter.

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