Extremely flat optical combs in MBRFL with ۱۰ GHz spacing utilizingbidirectional pumping

We propose and reveal a high flat amplitude multi-wavelength Brillouin-Raman fiber laser with ۱۰ GHz spacingand excellent optical signal-to-noise ratio (OSNR). This is achieved by overlapping generated forward-backwardStokes lines through the bidirectional pumping scheme. The setup is arranged in a linear cavity by employing ۷.۲and ۱۱ km dispersion compensating fibers (DCF). The attainment of MBRFL with outstanding performancesnecessitates the optimization of optical coupling ratios and DCF length. By utilizing a ۹۵/۵ dB coupler, ۳۶۲identical channels together with uniform Brillouin Stokes’s linewidth within only ۰.۳ dB peak power discrepancyis generated. The average OSNR and Stokes peak power are ۲۱ dB and -۱۱ dBm respectively when the RPP is setat ۱۰۰۰ mW. The proposed configuration is able to generate high flat combs with wide bandwidth and excellentOSNR which is a superior to the others.

کلیدواژه ها:

Lasers ، Nonlinear optics ، Stimulated Brillouin Scattering ، Stimulated Raman Scattering