Burgess, Ian B.Rodriguez, Alejandro W.McCutcheon, Murray W.Bravo-Abad, JorgeZhang, YinanJohnson, Steven G.Lončar, Marko2019-10-032009Burgess, Ian B., Alejandro W. Rodriguez, Murray W. McCutcheon, Jorge Bravo-Abad, Yinan Zhang, Steven G. Johnson, and Marko Lončar. 2009. “Difference-Frequency Generation with Quantum-Limited Efficiency in Triply-Resonant Nonlinear Cavities.” Optics Express 17 (11): 9241. https://doi.org/10.1364/oe.17.009241.1094-4087http://nrs.harvard.edu/urn-3:HUL.InstRepos:41461255We present a comprehensive study of second-order nonlinear difference frequency generation in triply resonant cavities using a theoretical framework based on coupled-mode theory. We show that optimal "quantum-limited" conversion efficiency can be achieved at any pump power when the powers at the pump and idler frequencies satisfy a critical relationship. We demonstrate the existence of a broad parameter range in which all triply-resonant DFG processes exhibit monostable conversion. We also demonstrate the existence of a geometry-dependent bistable region.en-USJournal Article2019-10-0310.1364/OE.17.009241