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Simultaneous WDM RoF Signal Generation Utilizing an All-Optical Frequency Upconverter Based on FWM in an SOA

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2 Author(s)
Hyoung-Jun Kim ; Dept. of Nanobio Mater. & Electron., Gwangju Inst. of Sci. & Technol. (GIST), Gwangju, South Korea ; Jong-In Song

A simultaneous all-optical frequency upconversion technique using four-wave mixing in a semiconductor optical amplifier (SOA) is experimentally demonstrated for wavelength-division-multiplexing (WDM) radio-over-fiber applications. Eight WDM optical radio-frequency (RF) signals having the RF frequency of 26.5 GHz are simultaneously generated by mixing eight WDM optical intermediate-frequency (IF) signals having the IF frequency of 2.5 GHz with an optical local oscillator signal of 24 GHz in a single SOA. The power penalty for simultaneous generation of eight WDM optical RF signals at the bit-error rate of 10-9 is less than 2.7 dB.

Published in:

Photonics Technology Letters, IEEE  (Volume:23 ,  Issue: 12 )