TY - RPRT TI - Bidirectional optical add-drop multiplexer based on Bragg gratings and circulators. AU - An Vu Tran AU - Chang-Joon Chae AU - Rodney S Tucker PY - 2003 DO - 10.1364/ao.42.003495 UR - https://pubmed.ncbi.nlm.nih.gov/12833949/ ID - 12833949 ER -