Error-free simultaneous all-optical upconversion of WDM radio-over-fiber signals

A simultaneous all-optical upconversion technique for cost-effective wavelength-division-multiplexing (WDM) radio-over-fiber (RoF) applications utilizing a semiconductor optical amplifier (SOA) Mach-Zehnder interferometer is investigated. The proposed upconversion scheme uses only one frequency upco...

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Veröffentlicht in:IEEE photonics technology letters 2005-08, Vol.17 (8), p.1731-1733
Hauptverfasser: Song, Ho-Jin, Lee, Jeong Seon, Song, Jong-In
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creator Song, Ho-Jin
Lee, Jeong Seon
Song, Jong-In
description A simultaneous all-optical upconversion technique for cost-effective wavelength-division-multiplexing (WDM) radio-over-fiber (RoF) applications utilizing a semiconductor optical amplifier (SOA) Mach-Zehnder interferometer is investigated. The proposed upconversion scheme uses only one frequency upconverter for multi-RoF channels, thereby reducing the complexity and cost of the system. Error-free simultaneous all-optical upconversion of two WDM intermediate frequency (IF) channels (155-Mb/s differential phase-shift keying signal at 2.5 GHz) to an optical radio frequency signal (22.5 GHz) is achieved. In addition, the effect of gain saturation of the SOA due to the increased number of WDM IF channels on bit-error-rates performance is also experimentally investigated.
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The proposed upconversion scheme uses only one frequency upconverter for multi-RoF channels, thereby reducing the complexity and cost of the system. Error-free simultaneous all-optical upconversion of two WDM intermediate frequency (IF) channels (155-Mb/s differential phase-shift keying signal at 2.5 GHz) to an optical radio frequency signal (22.5 GHz) is achieved. In addition, the effect of gain saturation of the SOA due to the increased number of WDM IF channels on bit-error-rates performance is also experimentally investigated.</abstract><cop>New York</cop><pub>IEEE</pub><doi>10.1109/LPT.2005.850894</doi><tpages>3</tpages></addata></record>
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1941-0174
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subjects All-optical frequency upconversion
Channels
Costs
Differential phase shift keying
Gain
Intermediate frequency
Mach-Zehnder interferometers
Optical interferometry
Optical saturation
Performance gain
photonic mixer
Radio frequency
radio frequency (RF) photonics
radio-over-fiber (RoF) system
RF signals
semiconductor optical amplifier Mach-Zehnder interferometer (SOA-MZI)
Semiconductor optical amplifiers
Stimulated emission
Upconversion
Upconverters
Wavelength division multiplexing
title Error-free simultaneous all-optical upconversion of WDM radio-over-fiber signals
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