Answers are grounded in this paper and cite their sources.
Difference and sum frequency generation at frequencies from 0 to 14GHz has been obtained by mixing of a microwave local oscillator and a modulated optical carrier in a microstrip ring resonator with Schottky contacts on a semi-insulating GaAs substrate.
No takes yet. Share an insight, caveat, or question.
Gopalakrishnan et al. (1991) studied this question.
Synapse has enriched 10 related papers. Consider them for comparative context: