Low-power continuous-wave four-wave mixing wavelength conversion in AlGaAs-nanowaveguide microresonators
Pisek Kultavewuti, Vincenzo Pusino, Marc Sorel, J. Stewart, Aitchison
TL;DR
This paper demonstrates enhanced wavelength conversion using a high-Q AlGaAs nanowaveguide microresonator with continuous-wave four-wave mixing, achieving significant efficiency improvements over straight waveguides, advancing integrated optical frequency generation.
Contribution
It reports the first experimental demonstration of efficient CW four-wave mixing in a high-Q AlGaAs nanowaveguide microresonator with detailed theoretical analysis.
Findings
Maximum conversion efficiency of -43 dB achieved
12 dB enhancement over straight nanowaveguides
Theoretical predictions match experimental results
Abstract
We experimentally demonstrate enhanced wavelength conversion in a Q=7500 deeply etched AlGaAs-nanowaveguide microresonator via degenerate continuous-wave four-wave mixing with a pump power of 24 mW. The maximum conversion efficiency is -43 dB and accounts for 12 dB enhancement compared to that of a straight nanowaveguide. The experimental results and theoretical predictions agree very well and show optimized conversion efficiency of -15 dB. This work represents a step toward realizing a fully integrated optical devices for generating new optical frequencies.
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