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Figure 6
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Temporal characteristics of the narrowband NRO with the 1-mm thick PPLN recorded with a 200-ps, extended InGaAs photodetector (FWHM indicated) at an oven temperature of 169 °C corresponding to emission wavelengths of 1880 nm (signal) and 2453 nm (idler). The average pump power is 16 W at 30 kHz.
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