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(a) Cross section of a peanut-shaped microcavity. (b)–(d) are schematic diagrams of cavities A–C. Red parts represent gain areas, gray parts are passive layers, and blue parts are fibers.
Integrated far field angular emission of cavity A. The inset shows the definition of the emission angle.
Emission spectrum of cavity A.
Plots of integrated emission intensity vs pump energy for cavity A in air (solid squares) and in water (open squares).
Schematic diagram of one hybrid lasing mode. A closed loop forms with a whispering gallery orbit and a two-bouncing orbit.
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