Abstract

We describe optical bistability in monolithically integrated, curved-mirror Fabry–Perot microcavities. The cavities were fabricated by controlled formation of circular delamination buckles within sputtered $\mathrm{Si}/{\mathrm{SiO}}_2$ multilayers. The dominant source of the bistability is heating due to residual absorption in the mirror layers, which leads to out-of-plane deflection of the buckled mirror. Hysteresis occurs for submilliwatt input powers.

© 2015 Optical Society of America

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