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首页> 外文会议>Conference on Integrated Optics: Devices, Materials, and Technologies Ⅵ Jan 21-23, 2002 San Jose, USA >Performance improvements in arrayed waveguide-grating modules
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Performance improvements in arrayed waveguide-grating modules

机译：阵列波导光栅模块的性能改进

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摘要

The future of telecom system design relies heavily on combining many optical devices into multifunctional modules with superior performance, lower cost, and smaller overall package size. The AWG module developments discussed here will afford comprehensive benefits to advanced optical networks. Current AWG development efforts focus on lowering insertion loss, reducing crosstalk, increasing channel bandwidth, decreasing channel spacing, managing dispersion, decreasing package size, and incorporating intelligent electronics. Better matching of the waveguide geometry and index of the integrated circuit to the optical fiber reduces the coupling loss. Other design optimizations to the waveguide bend radius and waveguide pitch at the slab can decrease circuit loss. High quality processing reduces the inhomogenieties that cause phase errors in AWGs and thus increase channel crosstalk. Optical design modifications in AWG waveguide tapers at the slab can change the passband shape and increase the channel bandwidth. Dispersion can be managed by better controlling the dispersion slope allowing for compensation. Innovations for temperature control circuitry and novel packaging designs and materials allow for smaller modules and reduced power consumption.
机译：电信系统设计的未来在很大程度上取决于将许多光学设备组合到多功能模块中，这些模块具有卓越的性能，更低的成本以及更小的封装尺寸。此处讨论的AWG模块开发将为先进的光网络提供全面的好处。 AWG当前的开发工作集中在降低插入损耗，减少串扰，增加通道带宽，减小通道间距，管理分散，减小封装尺寸以及集成智能电子设备上。波导几何形状和集成电路的折射率与光纤的更好匹配减少了耦合损耗。对平板处的波导弯曲半径和波导节距的其他设计优化可以减少电路损耗。高质量处理可减少导致AWG中相位误差的不均匀性，从而增加通道串扰。平板处的AWG波导锥度中的光学设计修改可以更改通带形状并增加通道带宽。可以通过更好地控制色散斜率进行补偿来管理色散。温度控制电路的创新以及新颖的包装设计和材料可实现更小的模块并降低功耗。

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