Title :
Experimental demonstration of an optimized 16-ary four-dimensional modulation format using optical OFDM
Author :
Karout, J. ; Xiang Liu ; Chandrasekhar, S. ; Agrell, Erik ; Karlsson, Magnus ; Essiambre, R.
Author_Institution :
Dept. of Signals & Syst., Chalmers Univ. of Technol., Goteborg, Sweden
Abstract :
We experimentally demonstrate the best known 16-ary 4-d modulation format at 24.8 Gb/s using coherent optical OFDM, achieving 0.58 dB OSNR gain over PDM-QPSK at a SER of 10-2. With 7% overhead optimal codes, a 0.38 dB gain is theoretically achievable.
Keywords :
OFDM modulation; light coherence; multiplexing; optical fibre communication; optical modulation; quadrature phase shift keying; PDM-QPSK; SER; bit rate 24.8 Gbit/s; coherent optical OFDM; gain 0.38 dB; optimized 16-ary four-dimensional modulation; overhead optimal codes; polarisation division multiplexing; Adaptive optics; Gain; Optical attenuators; Optical modulation; Optical polarization; Signal to noise ratio;
Conference_Titel :
Optical Fiber Communication Conference and Exposition and the National Fiber Optic Engineers Conference (OFC/NFOEC), 2013
Conference_Location :
Anaheim, CA
Print_ISBN :
978-1-4799-0457-0
