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Piezo‐Phototronic UV/Visible Photosensing with Optical‐Fiber–Nanowire Hybridized Structures
Author(s) -
Wang Zhaona,
Yu Ruomeng,
Pan Caofeng,
Liu Ying,
Ding Yong,
Wang Zhong Lin
Publication year - 2015
Publication title -
advanced materials
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 10.707
H-Index - 527
eISSN - 1521-4095
pISSN - 0935-9648
DOI - 10.1002/adma.201405274
Subject(s) - materials science , nanowire , photodetector , optical fiber , optoelectronics , fiber , sensitivity (control systems) , visible spectrum , optics , composite material , electronic engineering , physics , engineering
An optical‐fiber–nanowire hybridized UV–visible photodetector (PD) is reported. The PD is designed to allow direct integration in optical communication systems without requiring the use of couplers via fiber‐welding technology. The PD works in two modes: axial and off‐axial illumination mode. By using the piezo‐phototronic effect, the performance of the PD is enhanced/optimized by up to 718% in sensitivity and 2067% in photoresponsivity.