Midinfrared optical rogue waves in soft glass photonic crystal fiber

Buccoliero, Daniel; Steffensen, Henrik; Ebendorff-Heidepriem, Heike; Monro, Tanya M.; Bang, Ole

doi:10.1364/oe.19.017973

Cited by 32 publications

(13 citation statements)

References 23 publications

(30 reference statements)

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“…Indeed, if we omit fiber losses from our model, we find similar RIN values at the two spectral edges. We note that the impact of the longwavelength loss edge was studied previously in conventional anomalous dispersion SC generation, in which it was also found to reduce the noise, here by suppressing rogue wave generation [29].…”

Section: Resultsmentioning

confidence: 53%

Amplitude noise and coherence degradation of femtosecond supercontinuum generation in all-normal-dispersion fibers

et al. 2019

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Supercontinuum (SC) generation via femtosecond pumping in all-normal dispersion (ANDi) fiber is predicted to offer completely coherent broadening mechanisms, potentially allowing for substantially reduced noise levels in comparison to those obtained when operating in the anomalous dispersion regime. However, previous studies of SC noise typically treat only the quantum noise, typically in the form of one-photon-permode noise, and do not consider other technical noise contributions, such as the stability of the pump laser, which become important when the broadening mechanism itself is coherent. In this work, we discuss the influence of amplitude and pulse length noise of the pump laser, both added separately and combined. We show that for a typical mode-locked laser, in which the peak power and pulse duration are anti-correlated, their combined impact on the SC noise is generally smaller than in isolation. This means that the supercontinuum noise is smaller than the noise of the mode-locked pump laser itself, a fact that was recently observed in experiments, but not explained. Our detailed numerical analysis shows that the coherence of ANDi SC generation is considerably reduced on the spectral edges when realistic pump laser noise levels are taken into account.

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Section: Resultsmentioning

confidence: 53%

Amplitude noise and coherence degradation of femtosecond supercontinuum generation in all-normal-dispersion fibers

et al. 2019

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“…Another approach to reduce the noise at a fixed wavelength has been to taper the PCF [12][13][14]. The influence of the material loss edge of soft glass PCFs has also been studied in the mid-IR [15].…”

Section: Introductionmentioning

confidence: 99%

Power dependence of supercontinuum noise in uniform and tapered PCFs

Møller¹,

Sørensen²,

Jakobsen³

et al. 2012

Opt. Express

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Abstract:We experimentally investigate the noise properties of picosecond supercontinuum spectra generated at different power levels in uniform and tapered photonic crystal fibers. We show that the noise at the spectral edges of the generated supercontinuum is at a constant level independent on the pump power in both tapered and uniform fibers. At high input power the spectral bandwidth is limited by the infrared loss edge, this however has no effect on the noise properties.

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“…demonstrated that RW generation can be enhanced by an order of magnitude through a small modulation across the input pulse envelope and suppressed through the use of a sliding frequency filter7; Buccoliero et al . showed that the RW would not occur in any SC spectrum limited by the fiber loss23. These conclusions manifest that the RW can be affected by changing incident conditions.…”

mentioning

confidence: 82%

“…Subsequently, because of Raman effect, multiple collisions between solitons or solitons and DWs cause the energy redistribution of these solitons and thus ultimately generate the RW2728. While, previous work mainly focuses on how to predict and avoid the generation of RW in order to improve SC smoothness823. There are few papers exploring how to generate high-intensity RW in a more controlled manner.…”

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confidence: 99%

Controlled generation of high-intensity optical rogue waves by induced modulation instability

Zhao

Yang

Chen

et al. 2017

Sci Rep

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Optical rogue waves are featured as the generation of high amplitude events at low probability in optical systems. Moreover, the formation of optical rogue waves is unpredictable and transient in photonic crystal fibers. In this paper, we put forward a method to generate high-intensity optical rogue waves in a more controlled way based on induced modulation instability, which can suppress the noise effect and hence play a leading role in the process of pulse evolution. Our numerical simulations indicate that the generation of rogue wave can be controlled when seeding at the optimal modulation frequency and the intensity of rogue wave can be enhanced with appropriate modulation depth. Further, high-intensity rogue wave can also be ejected in the fiber with a shorter propagation length by regulating the modulation depth. These results all provide a better understanding of optical rogue wave, which can contribute to the generation of tunable long-wavelength spectral components and selective excitation of mid-infrared supercontinuum.

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Midinfrared optical rogue waves in soft glass photonic crystal fiber

Cited by 32 publications

References 23 publications

Amplitude noise and coherence degradation of femtosecond supercontinuum generation in all-normal-dispersion fibers

Amplitude noise and coherence degradation of femtosecond supercontinuum generation in all-normal-dispersion fibers

Power dependence of supercontinuum noise in uniform and tapered PCFs

Controlled generation of high-intensity optical rogue waves by induced modulation instability

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