Junming Chen, Xiaojie Guo. Widely Tunable Mid-Infrared Spectral Translation in Chalcogenide Waveguide with Normal Dispersion[J]. Laser & Optoelectronics Progress, 2022, 59(3): 0323003
- Laser & Optoelectronics Progress
- Vol. 59, Issue 3, 0323003 (2022)
Fig. 1. Second- and fourth-order dispersion as a function of the wavelength for As2Se3 chalcogenide glass
Fig. 2. Schematic of As2Se3 chalcogenide ridge waveguide
Fig. 3. Second-order dispersion as a function of the wavelength for As2Se3 ridge waveguide with different ridge widths (The ridge height and etch depth are 0.8 μm and 0.6 μm, respectively.)
Fig. 4. (a) Second and (b) fourth-order dispersion as a function of the wavelength for As2Se3 ridge waveguide with different etch depths (The ridge width and height are 1.5 μm and 0.8 μm, respectively.)
Fig. 5. Nonlinear coefficient of As2Se3 ridge waveguide (W=1.5 μm,H=0.8 μm,h=0.6 μm) as a function of wavelength
Fig. 6. (a) Frequency translation efficiency curve and (b) phase mismatch curve for different pump wavelengths with pump power of 0.35 W; (c) parametric gain spectra for different pump wavelength at a pump power of 2 W
Fig. 7. Phase-matched signal wavelength and idler wavelength as a function of pump wavelength with pump powers of 0.35 W and 2 W
Fig. 8. Phase-matched mid-infrared signal wavelength as a function of pump power with a pump wavelength of 1955 nm
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