Chengxiao Ning, Zhaowei Zhang. Cavity-length detuning of mid-infrared femtosecond doubly resonant optical parametric oscillators (Invited)[J]. Infrared and Laser Engineering, 2021, 50(8): 20210341
- Infrared and Laser Engineering
- Vol. 50, Issue 8, 20210341 (2021)
Fig. 1. Schematic of the DRO structure in numerical simulation
Fig. 2. Output spectrum and output power vs cavity length detuning in the DRO
Fig. 3. Near-degenerate optical spectrum generated by the DRO
Fig. 4. Calculated relative intra-cavity group delay (GD) curve of DRO
Fig. 5. Signal light central wavelength correspondings to each level center at different cavity length detuning and the calculated relative intra-cavity GD (blue circle)，the black solid line is the relative group delay curve
Fig. 6. The temporal (a) and spectral intensities (b) of the DRO under positive cavity length detuning
Fig. 7. FWHM of the DRO output soliton with different intra-cavity TODs
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Table 1. Parameters used in the numerical simulation of the DRO
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Table 2. Intra-cavity TODs under different thickness of the SiO2 and ZnSe plates
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