Bragg-Scattering Four-Wave Mixing in Nonlinear Fibers with Intracavity Frequency-Shifted Laser Pumps

Figure 1

Experimental setup; IFSFL: intra-cavity frequency-shifted feedback laser, BPF: bandpass filter, EDFA: erbium-doped fiber amplifier, ISO: isolator, ECL: extended cavity tunable laser, HNLF: highly non-linear fiber, OSA: optical spectrum analyzer, and OSC: oscilloscope.