TY - RPRT TI - Optical modes in semiconductor microtube ring resonators. AU - T Kipp AU - H Welsch AU - Ch Strelow AU - Ch Heyn AU - D Heitmann PY - 2006 DO - 10.1103/physrevlett.96.077403 UR - https://pubmed.ncbi.nlm.nih.gov/16606141/ ID - 16606141 ER -