Title :
Frequency chirp reducing of a colorless laser diode for 40-Gbit/s 256-QAM OFDM transmission
Author :
Cheng-Ting Tsai ; Yu-Chieh Chi ; Gong-Ru Lin
Author_Institution :
Dept. of Electr. Eng., Nat. Taiwan Univ., Taipei, Taiwan
Abstract :
A wavelength controlled and frequency chirp reduced colorless laser diode is directly modulated by 256-QAM-OFDM data to achieve a high spectral efficiency of 8 bit/sec/Hz at 40 Gbit/s with an optimized BER of 3.7×10-3.
Keywords :
OFDM modulation; chirp modulation; error statistics; optical fibre communication; optical modulation; optical transmitters; optimisation; quadrature amplitude modulation; semiconductor lasers; 256-QAM-OFDM data; bit rate 40 Gbit/s; directly modulated laser diode; frequency chirp reduced colorless laser diode; optimized BER; orthogonal frequency division multiplexing; quadrature amplitude modulation; spectral efficiency; wavelength controlled laser diode; Bit error rate; Chirp; Diode lasers; Frequency control; Frequency modulation; OFDM; Signal to noise ratio;
Conference_Titel :
Lasers and Electro-Optics (CLEO), 2015 Conference on
Conference_Location :
San Jose, CA
