概括
本研究介绍了一种采用反向设计的紧型光学功率分割器,在可变比率和极化独立性方面实现了超过92%的传输效率. 该设备在实际应用中表现出高的制造容忍度.
科学领域:
- 光子学是指光子学的使用方法.
- 光学工程是指光学工程.
- 纳米技术纳米技术
背景情况:
- 光学功率分离器是光子集成电路中的基本组件.
- 现有的设备往往面临尺寸的限制,偏振依赖,或分裂比率的变化.
- 紧且多功能的光学分离器对于推进集成光学至关重要.
研究的目的:
- 提出并模拟一个超紧的,独立于偏振的光学功率分割器.
- 为了实现具有高传输效率的可变分割比率.
- 为了证明对先进的光子设备的反向设计的可行性.
主要方法:
- 利用逆向设计方法来优化设备.
- 模拟了光学功率分割器的性能.
- 评估了传输效率,插入损失和偏振依赖.
主要成果:
- 实现了一个超紧的足迹1.96×1.96μm2.2.
- 经过证明的传输效率超过92%的1:1,1:5和1:2比率.
- 在50 nm带宽 (1525-1575 nm) 内的TE和TM模式的极化独立性得到证实,插入损失<0.38 dB.
结论:
- 拟议的反向设计的光学功率分割器非常紧,独立于极化.
- 该设备提供了出色的性能指标,包括高效率和低损耗.
- 证明的高制造公差表明集成光子系统的实际可行性.
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