Open AccessAll-optical signal processing in few-layer bismuthene coated microfiber: towards applications in optical fiber systems
Author(s) -
Ke Wang,
Jilin Zheng,
Hao Huang,
Yu Chen,
Yufeng Song,
Jianhua Ji,
Han Zhang
Publication year - 2019
Publication title -
optics express
Language(s) - Slovenian
Resource type - Journals
SCImago Journal Rank - 1.394
H-Index - 271
ISSN - 1094-4087
DOI - 10.1364/oe.27.016798
Subject(s) - microfiber , materials science , optics , signal processing , optical fiber , wavelength division multiplexing , wavelength , signal (programming language) , optoelectronics , digital signal processing , computer science , physics , computer hardware , composite material , programming language
Two-dimensional (2D) bismuthene can find its wide potential applications due to its appealing optical and electronic properties. Especially, bismuthene exhibits layer-count dependent direct bandgaps and strong light-matter interaction, enabling its applications in all-optical signal processing area that can overcome the bottle-neck in existing electrical signal processing. However, light-bismuthene interaction based on main stream optical fiber systems and its application in all-optical signal processing is relatively less investigated. In this work, few-layer bismuthene, synthesized with facile solution processing method, is coated onto a piece of microfiber. The experimental results show that this device can operate as an optical Kerr switcher and a four-wave-mixing-based wavelength converter under different configuration. The results including wavelength applicability, information bandwidth, eye diagrams in combination with bit-error rate (BER) performance and stability measurements confirm its feasibility in optical fiber systems. To the best of our knowledge, it is first prototypic device reported in this work for bismuthene in all-optical signal processing optical fiber systems.