TY - JOUR AU - David Crouch AU - Dana Anderson BT - Journal of the Optical Society of America B DA - 1991-06 DO - 10.1364/JOSAB.8.001315 PY - 1991 EP - 1315 T2 - Journal of the Optical Society of America B TI - Dynamics of an optical ring circuit having photorefractive gain and loss and history-dependent feedback VL - 8 SN - 0740-3224 ER -