基于三波导干涉仪的宽上行带宽光三工器设计

2009 9th International Conference on Numerical Simulation of Optoelectronic Devices Pub Date : 2009-10-30 DOI:10.1109/NUSOD.2009.5297245

J. Choi, H. Lee, Seoyoung Lee

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引用次数: 0

摘要

采用三波导干涉仪和Mach-Zehnder干涉仪设计了一种新型平面光波电路(PLC)三工器。我们在三波导耦合器中引入了一种全耦合方案，以获得较宽的上行带宽特性。推导了三波导耦合器和三波导移相器的传输矩阵形式，并进行了数值模拟。仿真结果表明，上游通道1dB和3db带宽分别为115nm和200nm。假设PLC制造中的波导宽度误差为±0.1µm，所提出的三工器在两个下游频段的插入损耗小于0.6dB，串扰小于−28dB。

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Design of a wide upstream-bandwidth optical triplexer using three-waveguide interferometer

A novel planar lightwave circuit (PLC) triplexer is designed using a three-waveguide interferometer and Mach-Zehnder interferometers. We introduce a full-coupling scheme in the three-waveguide coupler for wide upstream-bandwidth characteristic. Transfer matrix forms for three-waveguide coupler and three-waveguide phase shifter are derived for numerical simulation. Simulation results show that the 1dB- and 3dB-bandwidth for the upstream channel are 115nm and 200nm, respectively. The proposed triplexer shows low insertion losses of less than 0.6dB and low crosstalks of less than −28dB for the two downstream bands, assuming that the waveguide width-error in the PLC fabrication is ±0.1µm.

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2009 9th International Conference on Numerical Simulation of Optoelectronic Devices

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