Resolution-enhanced all-optical analog-to-digital converter employing cascade optical quantization operation Kang, Zhe ; Zhang, Xianting ; Yuan, Jinhui ; Sang, Xinzhu ; Wu, Qiang ; Farrell, Gerald ; Yu, Chongxiu Abstract Publication: Optics Express Pub Date: September 2014 DOI: 10.1364/OE.22.021441 Bibcode: 2014OExpr..2221441K