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- Jiang, Wei, et al.
(författare)
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An extended FDTD method with inclusion of material dispersion for the full-vectorial analysis of photonic crystal fibers
- 2006
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Ingår i: Journal of Lightwave Technology. - 0733-8724 .- 1558-2213. ; 24:11, s. 4417-4423
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Tidskriftsartikel (refereegranskat)abstract
- An extended finite-difference time-domain (FDTD) method with inclusion of material dispersion for the full-vectorial analysis of photonic crystal fibers (PCFs) is presented in this paper. In order for this extended FDTD method to obtain a fast convergence and high accuracy, a constitutive-parameter averaging technique is employed. Numerical results for a typical PCF verify the validity of the extended FDTD method. With this FDTD mode solver, a new birefringent PCF is also investigated, and interesting results are obtained in this paper.
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| 3. |
- Sun, Bing, et al.
(författare)
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Wavelength-Spacing-Tunable Double-Pumped Multiwavelength Optical Parametric Oscillator Based on a Mach-Zehnder Interferometer
- 2012
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Ingår i: Journal of Lightwave Technology. - 0733-8724 .- 1558-2213. ; 30:12, s. 1937-1942
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Tidskriftsartikel (refereegranskat)abstract
- A novel double-pumped ring cavity multiwavelength fiber optical parametric oscillator (MW-FOPO) with tunable wavelength spacing is proposed. In the MW-FOPO, we utilize a highly nonlinear dispersion-shifted fiber as the gain medium and a Mach-Zehnder interferometer as the comb-like filter. Twenty-four-wavelength lasing of the double-pumped MW-FOPO with a ripple less than +/- 4.3 dB and a wavelength spacing of about 0.8 nm in a wavelength range from 1541 to 1558 nm is experimentally demonstrated. The wavelength spacing can be continuously tuned and multiwavelength lasings with wavelength spacings of 0.08, 0.2, 0.4, and 0.8 nm are demonstrated, respectively. We discussed the power stability of the multiwavelength lasing of the double-pumped MW-FOPO. A comparison of the output spectra among the double-pumped MW-FOPO, the single-pumped MW-FOPO, and the multiwavelength erbium-doped fiber laser is also presented.
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