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CHEN FU1, BO WANG1,* , JIMIN FANG1, KUNHUA WEN1, ZIMING MENG1, QU WANG1, ZHAOGANG NIE1, XIANGJUN XING1, LI CHEN1, LIANG LEI1, JINYUN ZHOU1
In this paper, a two-port reflective grating with the cancellation of the zeroth order is introduced. The grating uses an Ag reflective metal grating structure. Under a normal incidence of light with a wavelength of 1550 nm, for both TE and TM polarizations, the grating can output in ±1st orders. In addition, the efficiency of the 0th order reflected light is less than 1%. Optimized grating parameters are obtained by using rigorous coupled-wave analysis. Furthermore, the complex physical mechanism of multimode superposition coupling in grating can be well explained by modal method.
Two-port splitting, Reflective grating, Beam splitter, Cancellation of the zeroth order.
CHEN FU, BO WANG, JIMIN FANG, KUNHUA WEN, ZIMING MENG, QU WANG, ZHAOGANG NIE, XIANGJUN XING, LI CHEN, LIANG LEI, JINYUN ZHOU, Two port reflective grating with the cancellation of the zeroth order, Optoelectronics and Advanced Materials - Rapid Communications, 14, 7-8, July-August 2020, pp.297-301 (2020).
Submitted at: Nov. 14, 2019
Accepted at: Aug. 18, 2020
Optoelectronics and Advanced Materials - Rapid Communications
(2023): 0.5 - 2023 Journal Citation Reports (Clarivate Analytics, 2024)
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