Efficient large-frequency-shifted three-wave mixing in low dispersion wavelength region in single-mode optical fibre

Washio, Kunihiko; Inoue, Ken; Kishida, Shunji

doi:10.1049/el:19800467

Cited by 49 publications

(13 citation statements)

References 5 publications

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“…(5) for comparison between the cases with a general dispersion-shifted fiber having a mode field diameter of 8.0 Pm and a dispersion slope of 0.07 ps/km per nm 2 , and a smallcore fiber having a mode field diameter of 4.0 Pm and a dispersion slope of 0.03 ps/km per nm 2 . In both cases, the fiber length is 5 km and the zero dispersion wavelength is 1550 nm.…”

Section: Calculation Of the Pump Wavelength Dependence Of The Convertmentioning

confidence: 99%

“…Using a 5-km-long small-core fiber with a mode field diameter of 4.2 Pm, a zero dispersion wavelength of 1561.7 nm, and a dispersion slope of 0.0307 ps/km per nm 2 , an experiment on the pump wavelength dependence of the gain of the converted signal was performed. The signal pulse was generated by applying 10-GHz modulation with an EA modulator to the 2.5-GHz mode-locked pulse from an LD with an external cavity configuration.…”

Section: Experiments On Pump Wavelength Dependence Of Converted-signalmentioning

confidence: 99%

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Efficient optical pulse compression with optical gain via four-wave mixing

Yamamoto¹,

Nakazawa²

1999

Electron. Comm. Jpn. Pt. II

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Taking into consideration the phase match condition, which is dependent on the intensity of the pumping light, the wavelength of the signal light is set on the longer wavelength side than the zero dispersion wavelength of the fiber and the small‐diameter fiber with which the dispersion slope can be made small is used. It is seen that by means of these provisions high‐efficiency wavelength conversion becomes possible with a converted‐light gain of more than 5 dB in the wide pumping wavelength region of more than 8 nm. Since the power density can be made large with a small pumping energy in this small‐diameter fiber, high‐efficiency wavelength conversion becomes possible. Also, when this fiber is used and the pumping light is set at a longer wavelength than the zero dispersion wavelength, the four‐wave mixing efficiency quickly increases with the increase of the pumping light intensity. Because of this characteristic, pulse compression with a gain for the signal optical pulse can be carried out. In experiments, a light signal with a pulse width of 93 ps is compressed to 20 ps and a 29‐dB gain is observed. It is also shown that in this case a similar compression is possible for the converted light. © 1999 Scripta Technica, Electron Comm Jpn Pt 2, 82(3): 41–50, 1999

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Section: Calculation Of the Pump Wavelength Dependence Of The Convertmentioning

confidence: 99%

Section: Experiments On Pump Wavelength Dependence Of Converted-signalmentioning

confidence: 99%

Efficient optical pulse compression with optical gain via four-wave mixing

Yamamoto¹,

Nakazawa²

1999

Electron. Comm. Jpn. Pt. II

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“…Efficient stimulated FWM demands phase-matching. In order to achieve that condition, most of the work related with FWM has been done around the fiber zero-dispersion wavelength [5][6][7]. The unique properties of photonic crystal fibers (PCFs) have opened a new range of applications of nonlinear effects for all-optical signal processing [8].…”

Section: Introductionmentioning

confidence: 99%

Evolution of first-order sidebands from multiple FWM processes in HiBi optical fibers

Silva

Muga

Pinto

2011

Optics Communications

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The generation of two idler waves inside a high birefringent (HiBi) optical fiber through three four-wave mixing (FWM) processes is studied theoretically. The coupled-equations for the field amplitudes are derived and analytically solved, in the co-polarized and orthogonal polarization schemes. The obtained solutions take into account the delayed Raman response of the medium. The polarization sensitivity of the generation of the idler waves is analyzed. Results show that the stimulated Raman scattering does not change the efficiency of the idler wave generation in the co-polarized scheme, whereas in the orthogonal polarization scheme that nonlinear process decreases the efficiency of the four-wave mixing processes. Results also show that this set of multiple four-wave mixing processes is physically quite different from the typical single or dual pump fourwave mixing configurations. Findings show that the power transfer from the pumps to the idler fields can lead to a monotonous growth, or a periodic evolution of the sidebands along the fiber. Results show that the process efficiency varies greatly with the angle between the two pump polarizations.

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“…Optical fibres are most appropriate for spectral broadening by selfphase modulation because high intensities in a small spot are maintained over long distances [4][5][6][7][8]. In fibres the spectral broadening may be extended by cross-phase modulation [4,5], modulation instability [4,5,9], stimulated Raman scattering [4,5], stimulated four-photon mixing [4,5,[10][11][12][13] and parametric amplification [4,11,14]. Strongly broadened spectral pulses in monomode fibres [7,12,13,15,16] and multimode fibres [17,18] have been reported.…”

Section: Introductionmentioning

confidence: 99%

Spectral broadening of picosecond laser pulses in optical fibres

Weidner

Penzkofer

1993

Opt Quant Electron

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Picosecond light pulses of a passively mode-locked ruby laser (pulse duration At L « 35 ps) are spectrally broadened in optical fibres of core diameters from 4//m to 600j/m. Combining the effects of self-phase modulation, stimulated Raman scattering, and parametric four-photon interaction in an 8-/im core fibre of 4 m length with the effect of selective spectral attenuation in a ruby rod resulted in rather smooth spectra extending from 685 nm to 830 nm (spectral width « 2300cm" 1 ).

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Efficient large-frequency-shifted three-wave mixing in low dispersion wavelength region in single-mode optical fibre

Cited by 49 publications

References 5 publications

Efficient optical pulse compression with optical gain via four-wave mixing

Efficient optical pulse compression with optical gain via four-wave mixing

Evolution of first-order sidebands from multiple FWM processes in HiBi optical fibers

Spectral broadening of picosecond laser pulses in optical fibres

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