TY - RPRT TI - Optical phase conjugation in backward Raman amplification AU - Jia, Qing AU - Qu, Kenan (ORCID:0000000261861985) AU - Fisch, Nathaniel J. PY - 2020 DO - 10.1364/ol.397321 UR - https://www.osti.gov/biblio/1660314 ID - 1660314 ER -