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ZHISEN HUANG1, BO WANG*1,* , ZEFAN LIN1, KUNHUA WEN1, ZIMING MENG1, ZHAOGANG NIE1, FANGTENG ZHANG1, XIANGJUN XING1, LI CHEN1,1, JINYUN ZHOU1
- School of Physics and Optoelectronic Engineering, Guangdong University of Technology, Guangzhou 510006, China
A two-port encapsulated grating is proposed, whose zeroth order can be inhibited under normal incidence. The efficiencies of the ±1st orders can be more than 47% and 0th order can be less than 4% for both TE and TM polarizations at a bandwidth of 31 nm, from 1532 nm to 1563 nm. In addition, the fabrication tolerance is astonishingly good, where the efficiencies of greater than 47% can be satisfied in the ±1st orders within the period of 2914-3015 nm or the duty cycle of 0.290-0.458. The performance has important application value in optical communication, optical storage, e.
Encapsulated grating; Inhibition of the zero order; Two-port beam splitte.
Submitted at: Dec. 31, 2020
Accepted at: Oct. 7, 2021
ZHISEN HUANG, BO WANG*, ZEFAN LIN, KUNHUA WEN, ZIMING MENG, ZHAOGANG NIE, FANGTENG ZHANG, XIANGJUN XING, LI CHEN, JINYUN ZHOU, Super-stability splitting at the inhibition of the zeroth order by an encapsulated grating, Journal of Optoelectronics and Advanced Materials Vol. 23, Iss. 9-10, pp. 439-444 (2021)
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