在3R-MoS2的C-激励波段中,用于集成量子光子学的紧型第二波生成
Alessandro Bile1, Domenico de Ceglia2, Daniele Ceneda1
1Department of Basic and Applied Science for Engineering (SBAI), SAPIENZA, Università di Roma, Via Scarpa, 16, Roma 00161, Italy.
概括
我们在化波导上使用3R相二硫化物 (MoS2) 演示了高效的可见光生成. 这种新的平台可以实现紧的非线性和量子光子设备.
科学领域:
- 材料科学 材料科学 材料科学
- 光子学 是一个光子学.
- 量子光学是一种量子光学.
背景情况:
- 非线性光学和频率转换对于光子技术至关重要.
- 二硫化物 (MoS2) 具有强大的非线性光学特性.
- 将二维材料与光子电路集成,带来了挑战和机遇.
研究的目的:
- 在可见光谱中开发一种高效的第二和生成 (SHG) 方案.
- 为了利用3R相MoS2在化波导上集成的强烈非线性反应.
- 为了实现紧和可扩展的非线性和量子光子应用.
主要方法:
- 化脊波导与有图案的3R相MoS2条纹的制造.
- 使用一维光子晶体结构进行场域定位.
- 实现相匹配和垂直外的反传播配置.
- 执行全波3D模拟来预测性能.
主要成果:
- 在MoS2.2的C刺激子附近实现了共振的第二和发射.
- 在最小的设备足迹中证明了高效的频率转换 (约. 一个微米2).
- 在300MW/cm2的强度下,预计转换效率高达0.004%.
- 展示了与自发参数向下转换 (SPDC) 的相容性,用于光子对生成.
结论:
- 拟议的MoS2集成波导平台能够高效地产生可见光.
- 该设计为非线性和量子光子学提供了紧,可扩展的解决方案.
- 该平台适用于集成光子对源和其他可见/近红外光子应用.
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