Optimized sensitivity direct detection O-OFDM with multi level subcarrier modulation

1 February 2008

conference paper
Published by Institute of Electrical and Electronics Engineers (IEEE)

p. 1-3
https://doi.org/10.1109/ofc.2008.4528413

Abstract

We compared direct-detection optical-OFDM systems with QPSK, QAM 16 and QAM64 subcarrier modulation for increase of bitrate. Reduced sensitivties of 7.1 dB and 14.8 dB have been found while increasing the data rate from 10 to 20 and 30Gb/s.

Keywords

OPTICAL SENSORS
OPTICAL FILTERS
OPTICAL RECEIVERS
OPTICAL MODULATION
OFDM MODULATION
QUADRATURE PHASE SHIFT KEYING
BIT RATE
STIMULATED EMISSION
OPTICAL MIXING
SIGNAL TO NOISE RATIO

This publication has 1 reference indexed in Scilit:

Theoretical and experimental study on PMD-supported transmission using polarization diversity in coherent optical OFDM systems
Optics Express, 2007