Regenerative properties of wavelength converters based on FWM in a semiconductor optical amplifier

A realization approach of optical 3R regeneration based on four-wave mixing in dispersion-shifted fibers

“…Another group of realizations of the nonlinear gate include different types of fiber based devices including NonLinear Optical Loop Mirrors (NOLM) [31] , those based on Self-Phase and CrossPhase modulation in Dispersion Shifted Fiber [32] as well as those using a fiber parametric limiting amplifier [33]. Recently the possibility of 2R regeneration based on FWM using in either semiconductor optical amplifier [14,19] or Dispersion Shifted Fiber (DSF) has been demonstrated both theoretically and experimentally [16,17,18].…”

“…Although Four-wave mixing (FWM) is exhaustively investigated for -conversion applications, only recently, FWM in dispersion-shifted fibers(DSF) has been employed as a 2R all-optical regenerator [15,16,17,18], and FWM in a SOA has been considered as possible candidate for 2R regeneration [14]. FWM most attractive characteristics are the transparency to modulation formats and high bit rate operation.…”

“…Equation (14) shows that that the nonlinear phase-matching factor is a function of the input wave power values and the linear phase-matching factor because of the nonlinear refractive index change caused by the Kerr effect. ' …”

Pulse Pedestal Suppression Using Four-Wave Mixing in an SOA

“…In this process, optical beating occurs between a pump and a probe signal to generate a conjugate signal whose wavelength is determined by the wavelength detuning between the pump and probe signal. Results have been presented in the literature demonstrating the regeneration properties of FWM in SOAs at data rates of 2.5 Gb/s, but not for the specific case of pedestal suppression [10], [11]. Furthermore, no experimental results have been presented for pulses as short as 2 ps.…”

Detailed numerical analysis of a four-wave mixing in dispersion-shifted fiber based all-optical wavelength converter of 10 Gb/s single sideband optical signal

“…They enhance wavelength routing capabilities and throughput, improve network reconfigurability and flexibility, by eliminating the problems associated with wavelength reuse. Among the AOWC candidates [8][9][10][11][12][13], the AOWC based on the FWM effects in DSF fibers is promising for use in high-capacity all-optical DWDM networks [14][15][16][17][18]. The major advantage of AOWC based on FWM in DSF fibers lies in the high conversion speed, transparency to the signal bit rate, and modulation format and the ability to effectively perform the simultaneous conversion of multiple signals within a wavelength bandwidth.…”