Journal
OPTICS LETTERS
Volume 36, Issue 4, Pages 546-548Publisher
OPTICAL SOC AMER
DOI: 10.1364/OL.36.000546
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Funding
- National Nature Science Foundation of China (NSFC) [60736003, 61025004, 61032005]
- 973 Project [2006CB302805]
- Foundation of the Key State Lab of Integrated Optoelectronics [2010KFB007]
- Ph.D. Programs Foundation of the Ministry of Education of China [20100002110039]
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A carrier phase-shifted (CPS) double sideband (DSB) modulation technique in radio-over-fiber (RoF) system is proposed and experimentally demonstrated. By tuning the biases in a single-drive dual parallel Mach-Zehnder modulator (SD-DPMZM), the optical carrier in the DSB spectrum acquires additional phase shift. The transmittance response of a dispersive RoF link is thus being controlled and shifted in the frequency domain. Experiments successfully turned the maximum transmission frequency to 10 GHz and 15 GHz for both 25 and 39 km fiber links. This is also a highly linear scheme, of which a spurious-free dynamic range (SFDR) of 111.3 dB . Hz(2/3) is experimentally obtained. (C) 2011 Optical Society of America
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