Laser-Phase-Fluctuation-Insensitive Optical Coherent Detection Scheme for Radio-over-Fiber System

Laser-Phase-Fluctuation-Insensitive Optical Coherent Detection Scheme for Radio-over-Fiber System

Laser-phase-fluctuation-insensitive optical coherent detection scheme with two-tone local light and digital signal processing technique for a radio-over-fiber (RoF) signal is proposed and experimentally demonstrated. Data recovery with the error vector magnitude of less than 14% rms is successfully...

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Veröffentlicht in:Journal of lightwave technology 2014-10, Vol.32 (20), p.3803-3809
Hauptverfasser: Kuri, Toshiaki, Sakamoto, Takahide, Guo-Wei Lu, Kawanishi, Tetsuya
Format: Artikel
Sprache:eng
Schlagworte:
Amplitude modulation
Laser noise
Optical fibers
Optical polarization
Optical receivers
Optical transmitters
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Zusammenfassung:Laser-phase-fluctuation-insensitive optical coherent detection scheme with two-tone local light and digital signal processing technique for a radio-over-fiber (RoF) signal is proposed and experimentally demonstrated. Data recovery with the error vector magnitude of less than 14% rms is successfully performed for 10- and 2.5-Gbaud 25-GHz-band QPSK RoF signals. In addition, bit error rate of less than 10^{-5} is also verified for 10-Gbaud 25-GHz-band QPSK RoF signal after 20-km fiber-optic transmission even if the light source with the linewidth of more than 10 MHz in the transmitter is used.
ISSN:0733-8724
1558-2213
DOI:10.1109/JLT.2014.2313620