Title :
Optically resolution enhanced ADC with decoding table based on maximum likelihood method
Author :
Miyoshi, Yasuyuki ; Namiki, Shu ; Kitayama, K. ; Ohashi, Masaharu
Author_Institution :
Osaka Prefecture Univ., Sakai, Japan
Abstract :
We demonstrate a real-time optically resolution-enhanced ADC system using NOLMs. Taking into account the noise distributions of output signals, we successfully enhanced the ADC resolution and improved the signal to noise and distortion ratio from 16 dB to 23 dB.
Keywords :
analogue-digital conversion; decoding; maximum likelihood estimation; optical communication; decoding table; distortion ratio; maximum likelihood method; noise distributions; optically resolution enhanced ADC; signal to noise; Fiber nonlinear optics; Maximum likelihood decoding; Optical attenuators; Optical distortion; Optical fibers;
Conference_Titel :
Optical Communications (ECOC), 2012 38th European Conference and Exhibition on
Conference_Location :
Amsterdam