A Photonic Microwave Frequency Quadrupler Using Two Cascaded Intensity Modulators With Repetitious Optical Carrier Suppression

We theoretically analyzed and experimentally demonstrated a novel 4- to 40-GHz frequency quadrupler for radio-over- fiber systems. By using an optical carrier suppression modulation scheme in two cascaded intensity modulators, four-fold microwave or millimeter wave signals are optically generated wi...

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Bibliographic Details
Published inIEEE photonics technology letters Vol. 19; no. 14; pp. 1057 - 1059
Main Authors Jian Zhang, Jian Zhang, Hongwei Chen, Hongwei Chen, Minghua Chen, Minghua Chen, Tianliang Wang, Tianliang Wang, Shizhong Xie, Shizhong Xie
Format Journal Article
LanguageEnglish
Published New York IEEE 15.07.2007
The Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subjects
Carriers
Electric potential
Intensity modulation
Microwave filters
Microwave frequencies
Microwave frequency quadrupler
Microwave generation
Microwaves
Modulation
Modulators
Notch filters
Optical devices
Optical fiber filters
Optical filters
optical intensity modulator
Optical modulation
Photonics
radio over fiber
Signal generators
Voltage
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Summary:We theoretically analyzed and experimentally demonstrated a novel 4- to 40-GHz frequency quadrupler for radio-over- fiber systems. By using an optical carrier suppression modulation scheme in two cascaded intensity modulators, four-fold microwave or millimeter wave signals are optically generated without the need for an optical and electrical notch filter to remove the residual carrier components. Moreover, the limitation of high drive voltage is greatly reduced through tandem intensity modulation with pi/2 phase shift between two driving signals.
Bibliography:ObjectType-Article-2
SourceType-Scholarly Journals-1
ObjectType-Feature-1
content type line 23
ISSN:1041-1135
1941-0174
DOI:10.1109/LPT.2007.899462