Title :
Optical biasing in direct detection optical-OFDM for improving receiver sensitivity
Author :
Ali, Abdulamir ; Paul, Henning ; Leibrich, Jochen ; Rosenkranz, Werner ; Kammeyer, Karl-Dirk
Author_Institution :
Dept. of Commun., Univ. of Kiel, Kiel, Germany
Abstract :
We show that replacing of electrical by an optical biasing minimizes the nonlinearity effect of an optical modulator. This allows the amplitude of the driving signal to be increased which increases the robustness towards distortion.
Keywords :
OFDM modulation; optical modulation; optical receivers; sensitivity; direct detection optical-OFDM; nonlinearity effect; optical biasing; optical modulator; receiver sensitivity; Fiber nonlinear optics; Nonlinear optics; OFDM; Optical attenuators; Optical detectors; Optical distortion; Optical filters; Optical modulation; Optical receivers; Optical sensors;
Conference_Titel :
Optical Fiber Communication (OFC), collocated National Fiber Optic Engineers Conference, 2010 Conference on (OFC/NFOEC)
Conference_Location :
San Diego, CA
Electronic_ISBN :
978-1-55752-884-1