TY - RPRT TI - Order parameter description of walk-off effect on pattern selection in degenerate optical parametric oscillators AU - M Taki AU - San Miguel M AU - M Santagiustina PY - 2000 DO - 10.1103/physreve.61.2133 UR - https://pubmed.ncbi.nlm.nih.gov/11046513/ ID - 11046513 ER -