2014
DOI: 10.3788/cjl201441.0610001
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Influence of Coupling Gap on the Performance of Silicon-no-Insulator Microring Resonator

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Cited by 2 publications
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“…Decreasing the 3dB bandwidth of the reflected spectrum or expanding the free spectral range (FSR) of the reflection spectrum are two ways to increase the number of MRR columns, i.e., these methods will increase the user capacity. The reduced 3dB bandwidth, however, comes at the expense of increasing the coupling spacing or reducing the coupling coefficients, which significantly influence the transmission characteristics and the performance of en/decoder [13]. Therefore, the more effective way to increase user capacity is to increase the FSR.…”
mentioning
confidence: 99%
“…Decreasing the 3dB bandwidth of the reflected spectrum or expanding the free spectral range (FSR) of the reflection spectrum are two ways to increase the number of MRR columns, i.e., these methods will increase the user capacity. The reduced 3dB bandwidth, however, comes at the expense of increasing the coupling spacing or reducing the coupling coefficients, which significantly influence the transmission characteristics and the performance of en/decoder [13]. Therefore, the more effective way to increase user capacity is to increase the FSR.…”
mentioning
confidence: 99%
“…分布比对应了特定的紫外胶厚度。调节分布比 η 2 可以改变温度系数, 当 η 2 = 0.1135 时, 温度系数为 0, 即减 少了微球腔对外界温度的敏感, 从而抑制了温度漂移, 达到了温度补偿的效果。另外随着分布比 η 2 的继续 增大, 微球腔的温度系数变为了负数, 但是其绝对值明显地增大, 因而可以提高微球腔的温度灵敏度 [21] 。而 分布比 η 2 可以通过改变封装紫外胶的厚度来改变, 厚度变化会导致耦合间距的变化, 从而造成耦合系数变 化, 但这不影响微球腔的谐振波长 [22] , 不会影响检测的波长变化量, 仍然能够进行温度测量。当封装紫外胶 厚度固定时, 分布比 η 1 、η 2 可以通过仿真分析得出 [23] , 如文献 [23]中当 PDMS 厚度为 0.55 μm 时,η 2 = 0.106 。 若 η 1 、η 2 已经确定, 则根据(4)式可以进行紫外胶热光系数的测试 [24] 。 图 7 温度系数和光在紫外胶中比例的关系 Fig.7 Temperature coefficient versus fraction of light in polymer 4 结 论…”
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