[PDF] Top 20 Mid-infrared supercontinuum generation using dispersion-engineered Ge11.5As24Se64.5 chalcogenide channel waveguide

... by using pump pulses with low to moderate peak power at wavelength near 2 µm or ...the 5 µm, it is necessary to choose a longer pump wavelength around 4-5 ...the waveguide around this ... See full document

... the mid-infrared (MIR) wavelength region have attracted much attention be- cause of their potential applications in molecular spectroscopy [1], frequency metrology [2], optical coherence tomography [3], ... See full document

... To minimize losses, we propose a short length TCF which is 10-mm long. As per as loss concerned, TCF length can be increased and we have shown in Fig. 7 the obtained results by simulating 5 and 10-cm long two TCF ... See full document

... group-velocity dispersion effect because the length of the ring is ...and waveguide dispersion for the ChG materials due to owning a large effective ... See full document

... in using ChG-glass planar waveguides (as an alternative to ChG fibers) for mid-infrared SC ...group-velocity dispersion (GVD) such that the zero-dispersion wavelength is close to the ... See full document

... anomalous dispersion region in ...anomalous dispersion region while maintaining GVD slope nearly constant in ...the waveguide output would remain unaltered for the pump pulse duration of shorter than ... See full document

... the waveguide is kept constant at 500 nm and its width is varied as shown in ...shows dispersion curves having two ZDWs, with anomalous dispersion be- tween these two ZDWs but both the peak value and ... See full document

... design dispersion-engineered step-index chalcogenide fibers with ...the dispersion of the step-index fibers, moderately high index contrast is ...planar waveguide design, a selenide ... See full document

... the mid-infrared region up to 15 ...anomalous dispersion profile with smaller magnitudes over a wide wavelength ...all-normal dispersion but rel- atively flat SC broadening can be realized up ... See full document

... long dispersion-engineered chalcogenide conventional hexag- onal PCF which allow us to generate broadband coherent MIR SC spectra in all-normal dispersion ...SC generation in the ... See full document

... varying waveguide dimensions for realizing ZDW around the pump wavelength, we numerically calculated GVD for this structure as a function of wavelength for the fundamental quasi-TE mode and plot it with material ... See full document

... tact pads. For the microstrip-like device, there is not such a sharp cut-off as with the reference. The trend of the curve af- ter 6 GHz is showing a smooth decay, with a slope of -0.89 dB/decade. The 3dB limit is passed ... See full document

... the dispersion is anomalous at the pump ...exact dispersion pro- file could change the position and shape of the short-wavelength peak and influence the soliton fission process, thus influencing the longer ... See full document

... non-degenerate cases were much smaller than that. The results in Fig. 2 show that a larger linewidth requires a larger interaction length for the maximum efficiency, and even then this efficiency is smaller than for ... See full document

... Different methods, such as RF sputtering [219], pulsed laser deposition [220, 221], chemical vapour deposition (CVD) [222], solvent based spinning [223, 224] or thermal evaporation [225] may be used for film deposition. ... See full document

... doped chalcogenide glass fibers with good optical properties within the mid infrared wavelength ...quality chalcogenide fibers for mid infrared applications have been ... See full document

... ideal mid-infrared light source should be characterized by: small dimensions, simple and robust construction, low price, high efficiency, high output power, broad tuning range and good quality of the output ... See full document

... wavelength dispersion at ambient ...index dispersion of two chalcogenide glass compositions over the wavelength range ...index dispersion over the wavelength range for which the experimentally ... See full document

... FEM and FDTD are common approaches for forward scattering problems. However, they are computationally inefficient for large targets. Modeling cavities and ducts is a challenge in inverse problems. An effective approach ... See full document

... Being glasses, the chalcogenides may be shaped to fiber. However, if the RE dopant becomes oxidized, likely to occur during glassmelting, and if this RE oxide acts as the hetero- geneous nucleating agent for bulk crystal ... See full document