Mid‐Infrared Hyperuniform Disordered Solids Waveguide Devices with Morphology Engineering and Wall‐Network Regulation,Laser & Photonics Reviews

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Mid‐Infrared Hyperuniform Disordered Solids Waveguide Devices with Morphology Engineering and Wall‐Network Regulation
Laser & Photonics Reviews ( IF 9.8 ) Pub Date : 2024-09-12 , DOI: 10.1002/lpor.202400469
Si Chen _{1,

2} , Yuhan Sun ₃ , Hong Zhang ₃ , Tianping Xu _{1,

2} , Zunyue Zhang _{1,

2} , Qun Han _{1,

2} , Tiegen Liu _{1,

2} , Yi Zou ₃ , Zhenzhou Cheng _{1,

2,

4,

5,

6}

Affiliation

Hyperuniform disordered solids (HUDS) waveguides, a type of emerging artificial photonic bandgap (PBG) devices, are demonstrated to possess large, complete, and isotropic PBGs, being promising for developing applications in optoelectronics, nonlinear optics, and sensing. However, optical losses of HUDS waveguides are usually limited by giant light scattering from the irregular distribution of HUDS cells. Herein, HUDS waveguide devices are demonstrated with low optical losses and large PBGs by exploring a morphology‐engineering and wall‐network‐regulation method of developing HUDS structures. The results show that the proposed device can achieve a 3.0 dB transmittance improvement for a 36‐µm‐long silicon HUDS waveguide. Based on the proposed HUDS structure, a waveguide‐coupled HUDS‐cladding nanocavity is also demonstrated with a quality factor of ≈70 at 2.250 µm wavelengths and a theoretical refractive index sensitivity of 446 nm RIU−1. The study opens an avenue to develop intriguing HUDS waveguide devices for on‐chip applications.

中文翻译：

具有形态工程和壁网调节的中红外超均匀无序固体波导器件

超均匀无序固体（HUDS）波导是一种新兴的人工光子带隙（PBG）器件，被证明具有大尺寸、完整且各向同性的PBG，在光电子、非线性光学和传感等领域具有广阔的应用前景。然而，HUDS 波导的光学损耗通常受到 HUDS 单元不规则分布产生的巨大光散射的限制。在此，通过探索开发 HUDS 结构的形态工程和壁网络调节方法，展示了 HUDS 波导器件具有低光学损耗和大 PBG。结果表明，所提出的器件可以将 36 µm 长的硅 HUDS 波导的透射率提高 3.0 dB。基于所提出的 HUDS 结构，还证明了波导耦合 HUDS 包层纳米腔在 2.250 µm 波长下的品质因数约为 70，理论折射率灵敏度为 446 nm RIU−1。这项研究为开发用于片上应用的有趣的 HUDS 波导器件开辟了一条途径。

更新日期：2024-09-12

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