Title :
Pre-amplified 64-QAM-OFDM modulation of a colorless laser diode for 30 Gbit/s transmission with enhanced SNR
Author :
Cheng-Ting Tsai ; Min-Chi Cheng ; Gong-Ru Lin
Author_Institution :
Dept. of Electr. Eng., Nat. Taiwan Univ., Taipei, Taiwan
Abstract :
A directly-modulated colorless laser diode based pre-amplified 64-QAM-OFDM transmission at 30Gbit/s is demonstrated with optimized SNR of 21.6 dB and EVM of 8.3 % to provide spectral efficiency of 6 bit/sec/Hz and BER of <;2.5×10-3.
Keywords :
OFDM modulation; error statistics; optical modulation; preamplifiers; quadrature amplitude modulation; semiconductor lasers; BER; EVM; SNR optimization; bit rate 30 Gbit/s; directly modulated colorless laser diode; error vector magnitude; orthogonal frequency division multiplexing; preamplified QAM-OFDM transmission; signal to noise ratio; Bit error rate; Diode lasers; Modulation; OFDM; Optical fibers; Semiconductor lasers; Signal to noise ratio;
Conference_Titel :
Optical Fiber Communications Conference and Exhibition (OFC), 2014
Conference_Location :
San Francisco, CA
Print_ISBN :
978-1-5575-2994-7
DOI :
10.1364/OFC.2014.Tu2G.5
