Wang P X, Wei Q, Cai P, Wang J X, Ho Y K
Opt Lett. 2022 Mar 15;47(6):1569. doi: 10.1364/OL.456017.
We present an erratum to our Letter [Opt. Lett.41, 230 (2016)10.1364/OL.41.000230]. This erratum corrects three typing errors. The corrections have no influence on the results and conclusions of the original Letter.