An ENOB-enhanced Optical Analog-to-digital Converter with Cascaded Step-size MMI and Modulo Operation

Yan He,Chang Liu,Jifang Qiu,Yue Liu,Yan Li,Jian Wu

conference on lasers and electro optics（2021）

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摘要

We experimentally demonstrated an ENOB-enhanced optical ADC with modulo operation on 7-period optical input/output transfer function of cascaded step-size MMI. A 2.8-bit enhancement of ENOB was realized, compared to the previous one with only 1-period.

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关键词

cascaded step-size MMI,ENOB-enhanced optical ADC,modulo operation,ENOB-enhanced optical analog-to-digital converter

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