Zhenyu Gu

Jan 8, 2025 | opg.optica.org | Pei Li |Jing Li |Zhenyu Gu |Wensheng Wang

In this study, we utilized a discrete point configuration method in conjunction with genetic algorithm (GA) and particle swarm optimization (PSO) to design broadband polarization-maintaining anti-resonant fibers (PM-ARFs). The resulting structure features a confinement loss (CL) below 0.17 dB/m, birefringence of approximately 8.2 × 10−5, and a polarization loss ratio (PLR) close to 297 at 1550 nm, providing a usable bandwidth of 340 nm across a range from 1.27 μm to 1.61 μm.

Jul 3, 2024 | mdpi.com | Muhammad Afzal |Zhenyu Gu |Syed Umer Bukhari |Bilal Afzal

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May 22, 2024 | onlinelibrary.wiley.com | Zhenyu Gu |Zhejiang Normal |Rong Liang Jia

Supporting Information Filename Description cjoc202400366-sup-0001-Supinfo.pdfPDF document, 6.7 MB Appendix S1: Supporting Information References 1For review, see:(a) Dénès, F.; Beaufils, F.; Renaud, P. Preparation of Five-Membered Rings via the Translocation-Cyclization of Vinyl Radicals. Synlett 2008, 2008, 2389–2399; for selected examples, see: (b) Lamarque, C.; Beaufils, F.; Dénès, F.; Schenk, K.; Renaud, P.

May 14, 2024 | mdpi.com | Nana Cheng |Deji Jing |Zhenyu Gu |Xingnong Cai

All articles published by MDPI are made immediately available worldwide under an open access license. No specialpermission is required to reuse all or part of the article published by MDPI, including figures and tables. Forarticles published under an open access Creative Common CC BY license, any part of the article may be reused withoutpermission provided that the original article is clearly cited. For more information, please refer tohttps://www.mdpi.com/openaccess.

Nov 29, 2023 | opg.optica.org | Zhenyu Gu |Yong Wang |Wensheng Wang |Dan Zhang

We report a 2-µm all-fiber nonlinear pulse compressor based on a tapered Pb-silicate photonic crystal fiber (PCF), which is capable of achieving large compression with low pedestal energy. A tapered Pb-silicate photonic crystal fiber with increased nonlinear coefficients is proposed for achieving self-similar pulse compression (SSPC) at 2 µm. The dynamic evolution of the fundamental order soliton is numerically analyzed based on the designed tapered fiber.