We demonstrated a pigtailed nanoribbon ring laser constructed with a 600 nm wide and 330 nm thick CdS nanoribbon. When the 20-μm-diameter ring was irradiated by light from a supercontinuum source, multi longitudinal mode laser emission was observed around 523.5 nm with full widths at half maximum of 0.27 nm. The laser output from the pigtail showed strong orientation-dependent polarization, with a maximum polarization ratio of 5 and power up to 3.7 nW.
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Ma et al. (2010) studied this question.
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