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Conferences > CLEO_SI > 2020 > STu4R > STu4R.2

All-Fiber Tunable Ultra-Broadband Mode Converter Based on Helical Long-Period Grating

Xinyi Zhao, Yunqi Liu, Zuyao Liu, and Chengbo Mou

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Abstract

We propose a tunable ultra-broadband mode converter based on helical long-period gratings inscribed in a two-mode fiber by CÜ2-laser. The 1st order orbital angular momentum mode was generated directly over 10-dB bandwidth of 296.7 nm.

© 2020 The Author(s)

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