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1. 光纤通信技术和网络国家重点实验室
2. 光迅科技股份有限公司
纸质出版日期:2011,
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[1]李迪,马卫东.基于渐变结构任意分光比绝热耦合器的设计[J].光通信研究,2011(04):26-28+35.
Li Di1, Ma Weidong1. Design of tapered adiabatic coupler with discretionary power dividing ratio[J]. 2011,(4):26-28.
[1]李迪,马卫东.基于渐变结构任意分光比绝热耦合器的设计[J].光通信研究,2011(04):26-28+35. DOI: 10.13756/j.gtxyj.2011.04.007.
Li Di1, Ma Weidong1. Design of tapered adiabatic coupler with discretionary power dividing ratio[J]. 2011,(4):26-28. DOI: 10.13756/j.gtxyj.2011.04.007.
文章基于光波导局部标准模式耦合理论
设计了一种平面光波导(PLC)型渐变结构任意分光比的光功率分配器
并利用束传播方法(BPM)进行模拟
分析了分光比为50/50、20/80和5/95这3种情况下器件的性能。这种耦合器在耦合长度1
5
mm的范围内可以实现任意分光比
相对于PLC型定向耦合器具有更大的带宽和更大的工艺容差
在实际生产中更容易实现。
On the basis of the coupled theory of local normal optical waveguide modes
we design a Planar Lightwave Circuit(PLC)-type tapered adiabatic coupler with discretionary power dividing ratio for 1.550 μm wavelength.Then
we conduct simulation in Beam Propagation Method(BPM) and analyze its performances when the dividing ratio is 50/50
20/80 or 5/95.The results show that this coupler can realize arbitrary dividing ratios when the coupled length is in the range of 1
mm.Compared with the PLC-type directional coupler
this coupler has larger bandwidth and process tolerance
so easier to be manufactured.
绝热耦合器局部标准模式任意分光比工艺容差
adiabatic couplerlocal normal modediscretionary power dividing ratioprocess tolerance.
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