Prof. Zhengji Xu Profile

Prof. Zhengji Xu

Associate Professor

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Author

Publications (5)

SPIE Journal Paper | 24 July 2023 Open Access

Achromatic on-chip focusing of graphene plasmons for spatial inversions of broadband digital optical signals

Zhiyong Wu, Zhengji Xu

APN, Vol. 2, Issue 05, 056003, (July 2023) https://doi.org/10.1117/12.10.1117/1.APN.2.5.056003

KEYWORDS: Graphene, Refractive index, Plasmons, Dielectrics, Optical gratings, Incident light, Electric fields, Terahertz radiation, Waveguides, Numerical simulations

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Proceedings Article | 21 January 2022 Paper

Aluminum scandium nitride waveguide in the near-infrared

Xiangchao Zhang, Shaonan Zheng, Qize Zhong, Lianxi Jia, Zhengji Xu, Yuan Dong, Ting Hu, Yuandong Gu

Proceedings Volume 12154, 121540H (2022) https://doi.org/10.1117/12.2626712

KEYWORDS: Waveguides, Refractive index, Channel waveguides, Aluminum nitride, Waveguide modes, Silicon photonics, Silicon

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Proceedings Article | 22 February 2018 Paper

Hybrid integrated single-wavelength laser with silicon micro-ring reflector

Min Ren, Jing Pu, Vivek Krishnamurthy, Zhengji Xu, Chee-Wei Lee, Dongdong Li, Leonard Gonzaga, Yeow Toh, Febi Tjiptoharsono, Qian Wang

Proceedings Volume 10537, 105370N (2018) https://doi.org/10.1117/12.2290620

KEYWORDS: Silicon, Microrings, Reflectors, Semiconductor lasers, Waveguides, Reflectivity, Semiconducting wafers, Hybrid silicon lasers, Silicon photonics, Resonators

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Proceedings Article | 27 February 2015 Paper

High-contrast grating reflectors for 980 nm vertical-cavity surface-emitting lasers

M. Gebski, O. Kuzior, M. Wasiak, A. Szerling, A. Wójcik-Jedlińska, N. Pałka, M. Dems, Y. Xie, Z. Xu, Q. Wang, D. Zhang, T. Czyszanowski

Proceedings Volume 9372, 937206 (2015) https://doi.org/10.1117/12.2080989

KEYWORDS: Reflectivity, Refractive index, Vertical cavity surface emitting lasers, Gallium arsenide, Reflectors, Polarization, Mirrors, Tolerancing, Solids, Interfaces

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Proceedings Article | 1 May 2012 Paper

Metal-dielectric structures for high resolution imaging

D. D. Li, D. H. Zhang, C. C. Yan, Y. K. Wang, Z. J. Xu

Proceedings Volume 8423, 842303 (2012) https://doi.org/10.1117/12.923033

KEYWORDS: Nanoparticles, Silver, Optical spheres, Metals, Metamaterials, Image resolution, Surface plasmons, Lens design, Solids, Ultraviolet radiation

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