Ultrashort pulse propagation, pulse breakup, and fundamental soliton formation in a single-mode optical fiber

Beaud, P.; Hodel, W.; Zysset, B.; Weber, H. P.

doi:10.1109/jqe.1987.1073262

Cited by 248 publications

(101 citation statements)

References 20 publications

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“…Self-defocussing nonlinearities in quadratic media address these difficulties 5,24 . The generalization of this approach to include frequency shifts as described here enables us to implement an analog of Raman-soliton compression 25 : high-order solitons are formed, producing a compressed primary pulse that undergoes a continuous self-frequency shift. An advantage of this approach is that the pedestal commonly produced by Raman-soliton compression consists mainly of unshifted frequency components.…”

Section: Applicationsmentioning

confidence: 99%

Controllable Raman-like nonlinearities from nonstationary, cascaded quadratic processes

İlday¹,

Beckwitt²,

Chen³

et al. 2004

J. Opt. Soc. Am. B

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We show that useful non-instantaneous nonlinear phase shifts can be obtained from cascaded quadratic processes in the presence of group velocity mismatch. The two-field nature of the process permits responses that can be effectively advanced or retarded in time with respect to one of the fields. There is an analogy to a generalized Raman-scattering effect, permitting both red and blue shifts of short pulses. We expect this capability to have many applications in short-pulse generation and propagation, such as the compensation of Ramaninduced effects and high-quality pulse compression, which we discuss.

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Section: Applicationsmentioning

confidence: 99%

Controllable Raman-like nonlinearities from nonstationary, cascaded quadratic processes

İlday¹,

Beckwitt²,

Chen³

et al. 2004

J. Opt. Soc. Am. B

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show abstract

“…A simple model shows that the magnitude of the shift is inversely proportional to the fourth power of the width of the soliton pulse. 13 When the pump wavelength is tuned away from the ZDW, further into the anomalous region, the temporal broadening of the multiple solitons is reduced due to the smaller cumulative dispersion. This results in an enhancement of the shift and the continuum extends further into the infrared.…”

mentioning

confidence: 99%

Supercontinuum generation in a highly birefringent microstructured fiber

Lehtonen

Genty

Ludvigsen

et al. 2003

Applied Physics Letters

136

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We present experimental results on supercontinuum generation in a highly birefringent microstructured fiber. We show that such a fiber offers clear advantages for continuum generation over weakly birefringent fibers. In particular, the polarization is preserved along the fiber for all the spectral components. Furthermore, the two eigenpolarizations exhibit different dispersion characteristics, which provide a convenient way of tuning the properties of the generated continuum. We investigate the impact of the pump wavelength and pulse duration on the continuum and use the results to generate an ultrabroadband continuum extending from 400 to 1750 nm.

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“…By calculating the dispersion properties of the nonlinear PCF it has been confirmed that the visible edge is group-velocity matched to the infrared edge. This means that the trapping process is responsible for the visible edge [31][32][33]. The short wavelength side of the pump has a flatness of 6 dB over a bandwidth of 365 nm.…”

Section: Supercontinuum Generationmentioning

confidence: 99%

Gain-switched CW fiber laser for improved supercontinuum generation in a PCF

et al. 2011

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Abstract:We demonstrate supercontinuum generation in a PCF pumped by a gain-switched high-power continuous wave (CW) fiber laser. The pulses generated by gain-switching have a peak power of more than 700 W, a duration around 200 ns, and a repetition rate of 200 kHz giving a high average power of almost 30 W. By coupling such a pulse train into a commercial nonlinear photonic crystal fiber, a supercontinuum is generated with a spectrum spanning from 500 to 2250 nm, a total output power of 12 W, and an infrared flatness of 6 dB over a bandwidth of more than 1000 nm with a power density above 5 dBm/nm (3 mW/nm). This is considerably broader than when operating the same system under CW conditions. The presented approach is attractive due to the high power, power scalability, and reduced system complexity compared to picosecond-pumped supercontinuum sources.

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Ultrashort pulse propagation, pulse breakup, and fundamental soliton formation in a single-mode optical fiber

Cited by 248 publications

References 20 publications

Controllable Raman-like nonlinearities from nonstationary, cascaded quadratic processes

Controllable Raman-like nonlinearities from nonstationary, cascaded quadratic processes

Supercontinuum generation in a highly birefringent microstructured fiber

Gain-switched CW fiber laser for improved supercontinuum generation in a PCF

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