Bidirectional 60 GHz RoF system with two millimeter-wave signals generated by a novel generation scheme

A two millimeter-wave signal generation scheme for a bidirectional 60 GHz radio-over-fiber system is theoretically analyzed and numerically verified. Three dual-electrical Mach-Zehnder modulators (MZMs) and two optical inter-leavers (OILs) are employed, and MZM1, MZM2, and MZM3 are biased at the min...

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Bibliographic Details
Published in:Journal of optical communications and networking 2012-09, Vol.4 (9), p.703-708
Main Authors: Pei, Li, You, Haidong, Ning, Tigang, Li, Jing, Gao, Song, Yang, Long
Format: Article
Language:English
Subjects:
Adaptive optics
Amplitude modulation
Bit error rate
Fiber optic communication
Fiber optic links and subsystems
Frequency modulation
Generation of millimeter-wave signals
Modulation
Noise
Optical distortion
Optical modulation
Transmit diversity
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Summary:A two millimeter-wave signal generation scheme for a bidirectional 60 GHz radio-over-fiber system is theoretically analyzed and numerically verified. Three dual-electrical Mach-Zehnder modulators (MZMs) and two optical inter-leavers (OILs) are employed, and MZM1, MZM2, and MZM3 are biased at the minimum, maximum, and minimum transmission points, respectively. The two OILs and a fiber Bragg grating are used to separate the subcarriers after transmission. In the scheme, a tunable laser serves as the optical source, and two 60 GHz millimeter-wave signals with modulating data are generated to transmit diversity, and a remote local oscillator is also generated. The analytical models for transmission through a dispersive medium are confirmed by simulations. It is found that chromatic dispersion has little impact on the bit error rate performance when a narrow-linewidth laser and a noise management technique are employed.
ISSN:1943-0620
1943-0639
DOI:10.1364/JOCN.4.000703