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Author

Ying-Liang Qu

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Open access Oct 2026

Spectral Characteristics of an InP-Based Semiconductor Laser With Fully Coupled Straight-Ridge and Racetrack Waveguides

Integrated semiconductor lasers are important for optical communications, gas sensing, biomedicine, and related fields. Conventional devices are commonly fabricated by dry etching, where sidewall roughness and surface defects may affect scattering and waveguide losses. In this work, we propose and fabricate an InP-base...

Yi-Fan Zhang, Hua-Sheng Hu, Deng-Qun Weng et al. · 0 citations
Open access Sep 2026

Preparation and Performance Investigation of Broadband Antireflection Coatings in the Visible and Near-Infrared Spectral Regions

A seven-layer broadband antireflection coating consisting of Al2O3, TiO2, SiO2, and MgF2 was designed and deposited on both sides of K9 glass for the 400–1100 nm range. The deposition parameters for TiO2 and SiO2 single layers were optimized, and the measured optical constants were used in TFCalc to refine the multilay...

Zhao-Xuan Zheng, Zai-Jin Li, Qi Wu et al. · 0 citations

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