TY - GEN AU - Kauranen,M AU - Maki,J J AU - Gaeta,A L AU - Boyd,R W TI - Two-beam-excited conical emission SN - 0146-9592 PY - 2012///1002 N1 - Publication Type: Journal Article UR - https://doi.org/10.1364/ol.16.000943 ER -