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14 July 2018 Tunable arrayed waveguide grating optical filter based on lithium niobate-on-insulator and electro-optic effect
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Abstract
A flexible optical filter based on tunable arrayed waveguide grating (AWG) with triangular-like model electrodes is designed on lithium niobate-on-insulator. Using the electro-optic effect of lithium niobate, the 10  −  3 increase of the waveguides refractive index could be achieved with a 4.348-V effective external voltage. The tunable range of the central wavelength of AWG can reach 3.8 nm and the 3-dB bandwidth is about 0.43 nm.
© 2018 Society of Photo-Optical Instrumentation Engineers (SPIE) 0091-3286/2018/$25.00 © 2018 SPIE
Wei Ji, Zisu Gong, Rui Yin, Jiangyue Li, Jingyao Li, Lingyu Lv, and Qingjie Huang "Tunable arrayed waveguide grating optical filter based on lithium niobate-on-insulator and electro-optic effect," Optical Engineering 57(7), 077102 (14 July 2018). https://doi.org/10.1117/1.OE.57.7.077102
Received: 18 April 2018; Accepted: 3 July 2018; Published: 14 July 2018
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