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Opt Express. 2011 Nov 21;19(24):24055-60. doi: 10.1364/OE.19.024055.

Nanobeam photonic bandedge lasers.

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  • 1Department of Physics, Korea Advanced Institute of Science and Technology, Daejeon 305-701, Korea.


We demonstrate one-dimensional nanobeam photonic bandedge lasers with InGaAsP quantum wells at room temperature from the lowest dielectric band of photonic crystal nanobeam waveguides. The incident optical power at threshold is 0.6 mW (effectively ~18 μW). To confirm the lasing from the dielectric bandedge, the polarization and the photoluminescent spectra are taken from nanobeams of varying lattice constants. The observed shift of the lasing wavelength agrees well with the computational prediction.

© 2011 Optical Society of America

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