Please use this identifier to cite or link to this item: http://hdl.handle.net/10397/13292
Title: Characteristics of subcarrier modulation and its application in WDM-PONs
Authors: Xu, Z
Wen, YJ
Zhong, WD
Cheng, TH
Attygalle, M
Cheng, X
Yeo, YK
Wang, Y
Lu, C 
Keywords: Downstream carrier reusing
Fiber optics
Optical crosstalk
Optical fibers
Optical filters
Optical modulation
Optical receivers
Passive optical network (PON)
Passive optical networks
Reflective semiconductor optical amplifier (RSOA)
Subcarrier modulation (SCM)
wavelength-division multiplexing (WDM)
Issue Date: 2009
Publisher: Institute of Electrical and Electronics Engineers
Source: Journal of lightwave technology, 2009, v. 27, no. 12, p. 2069-2076 How to cite?
Journal: Journal of lightwave technology 
Abstract: We mathematically analyze and experimentally investigate the characteristics of subcarrier-modulated (SCM) light. Our investigation shows that the baseband data are also carried on the optical carrier after subcarrier modulation. This residual data introduce crosstalk when the optical carrier is separated from subcarriers and reused for uplink data modulation. The influence of the residual data carried on the optical carrier is studied in three kinds of upstream transmissions based on wavelength-seeded reflective semiconductor optical amplifiers (RSOAs) for carrier-reuse wavelength-division-multiplexed-passive optical networks (WDM-PONs). Results show that the crosstalk can be significantly suppressed with proper selection of the seeding power and operation conditions of downlink Mach-Zehnder modulator (MZM), including driving voltage and bias voltage.
URI: http://hdl.handle.net/10397/13292
ISSN: 0733-8724
EISSN: 1558-2213
DOI: 10.1109/JLT.2008.2006694
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