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Optical parametric oscillators (OPOs) are now established as viable sources of broadly tunable radiation for spectral regions inaccessible to lasers from the visible to mid-infrared (mid-IR). Nevertheless, the output signal-idler wavelength pairs generated by an OPO are always constrained to specific combinations by energy conservation and phase-matching. On the other hand, the provision of multiple...
We demonstrate successful use of antiresonant ring interferometer for optimum output coupling in a continuous-wave singly-resonant OPO, providing 2.28 W of signal, together with 2.95 W of idler, for 23.2 W of pump power.
We report a novel architecture for cw OPOs based on antiresonant ring interferometric cavity coupling, providing two pairs of signal/idler waves with independent tuning and arbitrarily close wavelength separation.
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