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Amplification of 12 × 10 Gb/s WDM signals with negligible FWM crosstalk in a double-pumped fiber optical parametric amplifier |
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| Authors: | JM Chavez Boggio EAM Fagotto ME Marhic FA Callegari HL Fragnito |
| Institution: | aCid. Universitaria Zeferino Vaz, Optics and Photonics Research Center, IFGW C.P. 6165, Unicamp, 13083-970 Campinas, SP, Brazil bPontificia Universidade Catolica de Campinas (PUCC), Rod. Dom Pedro I, Km 136, 13086-900, Campinas, SP, Brazil cInstitute of Advanced Telecommunications, University of Wales, Singleton Park, Swansea SA2 8PP, Wales, UK |
| Abstract: | We report on the amplification of 12 × 10 Gb/s wavelength-division-multiplexed signals by a double-pumped fiber optic parametric amplifier (2P-FOPA). A gain of 10 dB is obtained using a 4.3 km-long conventional dispersion shifted fiber (DSF) as nonlinear medium. Our spectra show negligible generation of spurious FWM products, and we attribute this to the small variations of the zero-dispersion wavelength of the DSF. The 2P-FOPA performance is assessed through Q-factor measurements, and we show that for output powers per channel ranging from −15 to 3 dBm the power penalty is less than 0.5 dB. |
| Keywords: | Optical parametric amplifier Crosstalk Wavelength division multiplexing |
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