<div class="csl-bib-body"> <div class="csl-entry"><div class="csl-left-margin">[1]</div><div class="csl-right-inline">S. Chen, Y. Ma, H. Su, X. Fan, and Y. Liu, “Few-Mode Fiber-Based Long-Period Fiber Gratings: A Review”, <i>JOPR</i>, vol. 1, no. 1, pp. 02–15, Feb. 2024, doi: <a href="https://doi.org/10.47852/bonviewJOPR42022414">10.47852/bonviewJOPR42022414</a>.</div></div> </div>