Erratum: Dual-input concave diffraction grating demultiplexer based on dielectric multidirectional reflectors (Journal of the Optical Society of America A: Optics and Image Science, and Vision (2019) 36 (1585–1590) DOI: 10.1364/JOSAA.36.001585)

In Ref. [1], a typographical error in the first affiliation has been corrected. The affiliation originally read as follows: “Key Laboratory for Physical Electronics and Devices of the Ministry of Education, Xi’4 Xi’an 710049, China” The corrected affiliation reads as follows: “Key Laboratory for Physical Electronics and Devices of the Ministry of Education, Xi’an Jiaotong University, Xi’an 710049, China” The paper was corrected online on 3 January 2020.