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We theoretically incorporate chirality into laser cavities and utilize it to demonstrate circularly-polarized resonant modes. In absence of extrinsic magnetism, these modes may induce a net spin polarization via selection rules when lasing.
We demonstrate a metal-cavity surface-emitting microlaser with sub-angstrom linewidth and an output power exceeding 7 microwatt. The device shows CW room-temperature single-mode operation up to 4 microwatt and a 1.2 nm-wavelength shift with increased current.
We have developed a fundamental formulation for nanoplasmonic lasers, which accounts for the negative permittivity and dispersion of metal plasma. We applied our theory to investigate a Fabry-Perot plasmonic waveguide laser and a nano-bowtie laser.
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