TY  - RPRT
TI  - Mode coupling in a He-Ne ring laser with backscattering.
AU  - RJ Spreeuw
AU  - RC Neelen
AU  - van Druten NJ
AU  - ER Eliel
AU  - JP Woerdman
PY  - 1990
DO  - 10.1103/physreva.42.4315
UR  - https://pubmed.ncbi.nlm.nih.gov/9904530/
ID  - 9904530
ER  -