TY - JOUR AU - Dana Anderson AU - R. Saxena BT - Journal of the Optical Society of America B DA - 1987-01 DO - 10.1364/JOSAB.4.000164 PY - 1987 EP - 164 T2 - Journal of the Optical Society of America B TI - Theory of multimode operation of a unidirectional ring oscillator having photorefractive gain: weak-field limit VL - 4 SN - 0740-3224 ER -