All-Optical Analog-to-Digital Conversion Using Optical Delay Line Encoders

Takashi NISHITANI  Tsuyoshi KONISHI  Kazuyoshi ITOH  

Publication
IEICE TRANSACTIONS on Electronics   Vol.E90-C   No.2   pp.479-480
Publication Date: 2007/02/01
Online ISSN: 1745-1353
DOI: 10.1093/ietele/e90-c.2.479
Print ISSN: 0916-8516
Type of Manuscript: Special Section LETTER (Special Section on Evolution of Microwave and Millimeter-Wave Photonics Technology)
Category: 
Keyword: 
all-optical analog to digital conversion,  self-frequency shift,  optical quantization,  optical coding,  

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Summary: 
We propose and demonstrate the all-optical analog-to-digital conversion (ADC) using optical delay line encoders. Experimental results show that input analog signals are successfully converted into 3-bit digital signals at a bit rate of 40 Gb/s.