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    We demonstrate reconfigurable all-optical coupling between two degenerate optical parametric oscillators in silicon-nitride microresonators. We show in-phase and out-of-phase operation which is achieved at a fast regeneration rate of 400 kHz with a large phase tolerance. 
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  6. We theoretically study a network of microresonator-based χ(3) degenerate optical parametric oscillators (DOPO’s). We investigate the influence of coupling on the global oscillation condition and show that the system can emulate the Ising model. 
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  7. We demonstrate quantum random number generation at 2 Mbps using binary phase state generation via degenerate optical parametric oscillation in a silicon-nitride microresonator. Such a system can potentially scale to rates > 1 Gbs. 
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