Optical amplification is demonstrated in a two-dimensional photonic crystal. Amplification at is observed in the direction normal to the plane of periodicity, by pumping the device at . A gain up to is measured with moderate pump fluence . Gain is shown to clamp as laser threshold is attained.
Optical amplification in two-dimensional photonic crystals
F. Raineri, G. Vecchi, C. Cojocaru, A. M. Yacomotti, C. Seassal, X. Letartre, P. Viktorovitch, R. Raj, A. Levenson; Optical amplification in two-dimensional photonic crystals. Appl. Phys. Lett. 28 February 2005; 86 (9): 091111. https://doi.org/10.1063/1.1879094
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