Mutual influence of the parametric effects and stimulated Raman scattering in optical fibers

Golovchenko, E.A.; Mamyshev, P. V.; Pilipetskii, A.N.; Dianov, Evgenii M

doi:10.1109/3.60906

Cited by 122 publications

(54 citation statements)

References 8 publications

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“…As expected, parametric FWM by itself is therefore not efficient due to phase mismatch. The ratio of Stokes and anti-Stokes powers under non-phase-matched conditions can be estimated to be [42][43][44] …”

Section: Low Peak Power Pumpingmentioning

confidence: 99%

“…3 to be responsible for the development of anti-Stokes Raman components also contributes significantly to the suppression of the Raman gain. The interaction between these two nonlinear processes leads to an explicit dependence of the Raman gain on the ratio of chromatic dispersion to nonlinearity, expressed in the mixed parametric-Raman peak gain coefficient [42][43][44] where…”

Section: Suppression Of Incoherent Dynamics At Short Pump Pulse Duratmentioning

confidence: 99%

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Limits of coherent supercontinuum generation in normal dispersion fibers

et al. 2017

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We study the largely unexplored transition between coherent and noise-seeded incoherent continuum generation in all-normal dispersion (ANDi) fibers and show that highly coherent supercontinua with spectral bandwidths of one octave can be generated with long pump pulses of up to 1.5 ps duration, corresponding to soliton orders of up to N = 600. In terms of N, this corresponds to an approximately 50 times increase of the coherent regime compared to anomalous dispersion pumping. In the transition region between coherent and incoherent spectral broadening we observe the manifestation of nonlinear phenomena that we term incoherent cloud formation and incoherent optical wave breaking, which lead to a gradual or instantaneous coherence collapse of SC spectral components, respectively. The role played by stimulated Raman scattering and parametric four-wave mixing during SC generation in ANDi fibers is shown to be more extensive than previously recognized: their nonlinear coupling contributes to the suppression of incoherent dynamics at short pump pulse durations, while it is responsible for non-phasematched parametric amplification of noise observed in the long pulse regime. We further discuss the dependence of SC coherence on fiber design, and present basic experimental verifications for our findings using single-shot detection of SC spectra generated by picosecond pulses. This work outlines both the further potential as well as the limitations of broadband coherent light source development for applications such as metrology, nonlinear imaging, and ultrafast photonics, amongst others.

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Section: Low Peak Power Pumpingmentioning

confidence: 99%

Section: Suppression Of Incoherent Dynamics At Short Pump Pulse Duratmentioning

confidence: 99%

Limits of coherent supercontinuum generation in normal dispersion fibers

et al. 2017

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“…Here, = ( + ) 0 affects the four-wave mixing interaction of signal waves causing significant gain variation due to phase modulation originating from pump interactions [31]. Gao et al [32] analyzed the phase mismatch conditions for parametric gain and derived the dependence of parametric gain on the real part of the complex Raman susceptibility.…”

Section: Methodsmentioning

confidence: 99%

Novel Raman Parametric Hybrid L-Band Amplifier with Four-Wave Mixing Suppressed Pump for Terabits Dense Wavelength Division Multiplexed Systems

Kaur

Sharma

Kaur

2016

Advances in Optical Technologies

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We demonstrate improved performance of parametric amplifier cascaded with Raman amplifier for gain of 54.79 dB. We report amplification of L-band using 100 × 10 Gbps Dense Wavelength Division Multiplexed (DWDM) system with 25 GHz channel spacing. The gain achieved is the highest reported so far with gain flatness of 3.38 dB without using any gain flattening technique. Hybrid modulated parametric pump is used for suppressing four-wave mixing (FWM) around pump region, resulting in improvement of gain flatness by 2.42 dB. The peak to peak variation of gain is achieved less than 1.6 dB. DWDM system with 16-channel, 25 GHz spaced system has been analyzed thoroughly with hybrid modulated parametric pump amplified Raman-FOPA amplifier for gain flatness and improved performance in terms of BER and -factor.

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“…On the other hand, the exponential amplification of the Stokes wave is completely quenched at frequencies satisfying ∆k L (Ω)=0 because the gain g(Ω) vanishes in that case, see Eq. (72) (Golovchenko et al, 1990;Vanholsbeeck et al, 2003).…”

Section: Single Pump Configurationmentioning

confidence: 99%

“…2.3, both the phase mismatch parameter and the parametric gain have a modified value due to the simultaneous action of FPS and RS. This modification impacts the stimulated FWM (Golovchenko et al, 1990;Vanholsbeeck et al, 2003) as well as spontaneous FPS regime Lin et al, 2006). The spontaneous regime corresponds to the initial conditions Ã † sc (0, Ω)Ã sc (0, Ω) = 0, for any value of Ω.…”

Section: Single Pump Configurationmentioning

confidence: 99%

Spontaneous Nonlinear Scattering Processes in Silica Optical Fibers

Brainis¹

2012

Recent Progress in Optical Fiber Research

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Mutual influence of the parametric effects and stimulated Raman scattering in optical fibers

Cited by 122 publications

References 8 publications

Limits of coherent supercontinuum generation in normal dispersion fibers

Limits of coherent supercontinuum generation in normal dispersion fibers

Novel Raman Parametric Hybrid L-Band Amplifier with Four-Wave Mixing Suppressed Pump for Terabits Dense Wavelength Division Multiplexed Systems

Spontaneous Nonlinear Scattering Processes in Silica Optical Fibers

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