TY - RPRT TI - WGM Resonators for Terahertz-to-Optical Frequency Conversion AU - Strekalov,Dmitry AU - Savchenkov, Anatoliy AU - Matsko, Andrey AU - Nu, Nan PY - 2008 UR - https://ntrs.nasa.gov/citations/20080047189 ID - 20080047189 ER -