Abstract
Abstract
All-optical modulation is experimentally demonstrated in a microfibre coil resonator (MCR) functionalized with black phosphorus (BP) nanosheets (BP-MCR). The BP nanosheets is deposited onto microfibre and then microfibre is wrapped on a PMMA rod covered with UV-curable low refractive index polycarbonate (PC) resin. The BP-MCR modulation properties are regulated based on BP absorption, photo-thermal and optical Kerr effects. The resonance wavelength and extinction ratio responsivity to incident pump power can attain ∼0.033 nm mW−1 and ∼0.180 dBm mW−1, while the averaged rising/falling response time is ∼9.58/8.53 ms. The device could find applications as all-optical modulator, optical switch or tunable optical filter.
Funder
the fundamental research funds for the central universities
111 project
National Key R&D Program of China
National Key program of National Natural Science Foundation of China
National Natural Science Foundation of China
Natural Science Foundation of Heilongjiang Province
Subject
Applied Mathematics,Instrumentation,Engineering (miscellaneous)
Cited by
4 articles.
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