Tunable Gold-Slit Waveguide

8.6% compression ratio

A gold slit on an α-MoO<sub>3</sub> flake enables deep subwavelength guidance and routing of hyperbolic phonon polaritons.

Nan, Deng · Zhongao, Huang · Wang, Kai · Wang, Kun · Han, Xiaobo · Xinying, Zhang · Wang, Bing · Long, Hua · Lu, Peixiang

Photonics Research 2024

Specifications

狭缝宽度从
{'zh': '3', 'en': ''} μm

Advantages

Excitation efficiency enhanced by integrating an extended port at the waveguide port