Difference-frequency generation with quantum-limited efficiency in triply-resonant nonlinear cavities
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Updated: Jun 22, 2026

Generation and Coherent Control of Pulsed Quantum Frequency Combs
Published on: June 8, 2018
Ian B Burgess1, Alejandro W Rodriguez, Murray W McCutcheon
1School of Engineering and Applied Sciences, Harvard University, Cambridge, MA 02138, USA. ibburges@fas.harvard.edu
Abstract:
We 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.
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