2009
DOI: 10.1364/ol.34.003193
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Wavelength-tunable few-cycle optical pulses directly from an all-fiber Er-doped laser setup

Abstract: A simple design, which we believe to be the first of its kind, of an all-fiber-based optical source is proposed for the generation of widely tunable few-cycle pulses as short as 20-25 fs duration in the range of 1.6-2.1 microm. Few-cycle pulses are obtained by compression of femtosecond pulses from the erbium-doped fiber laser in a three-stage scheme that uses (i) the effects of the soliton compression and the Raman frequency tuning in the dispersion decreasing fiber, as well as (ii) supercontinuum generation … Show more

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Cited by 24 publications
(12 citation statements)
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“…It should be mention that the photodiode detector module of our autocorrelator was limited to ~1800 nm, so the measured autocorrelation trace can only characterize the pulse width around 1800 nm, here we showed a typical autocorrelation trace for soliton around 1800 nm. Although the pulse width of Raman soliton was measured to be 2.02 ps, the large FWHM bandwidth of SSFS spectrum shows that soliton with a pulse width of sub-50 fs could be achieved if the giant chirped pulse was efficiently re-compressed to be transforms limited [8]. The giant chirp was accumulated during the propagation in the silica fiber for the large amount of anomalous dispersion above 1600 nm.…”
Section: Resultsmentioning
confidence: 98%
“…It should be mention that the photodiode detector module of our autocorrelator was limited to ~1800 nm, so the measured autocorrelation trace can only characterize the pulse width around 1800 nm, here we showed a typical autocorrelation trace for soliton around 1800 nm. Although the pulse width of Raman soliton was measured to be 2.02 ps, the large FWHM bandwidth of SSFS spectrum shows that soliton with a pulse width of sub-50 fs could be achieved if the giant chirped pulse was efficiently re-compressed to be transforms limited [8]. The giant chirp was accumulated during the propagation in the silica fiber for the large amount of anomalous dispersion above 1600 nm.…”
Section: Resultsmentioning
confidence: 98%
“…To investigate the nonlinear optical properties of the CrPS 4 -SA, a dual-channel balanced detection measurement system based on an erbium-doped fiber laser (1550 nm, 100 fs, 8.05 MHz) was employed, as shown in Figure 4 inset. Equation (1) only considers the case of single-photon absorption, and the nonlinear saturated absorption curve of CrPS 4 -SA was obtained after fitting [ 52 , 53 ]. …”
Section: Resultsmentioning
confidence: 99%
“…In the case of a 220‐m‐long fiber the shift was extended beyond 2 µm. In this scheme was exploited with a 36‐m‐long dispersion decreasing fiber. The red‐shifted solitons were spectrally broadened and compressed in a combination of a highly nonlinear and a standard telecom fiber.…”
Section: Ultrawideband Tunable Frequency Conversion With Highly Nonlimentioning
confidence: 99%