Two-dimensional square lattice photonic-bandgap single-cell laser

Han-Youl Ryu; Se-Heon Kim; Hong-Gyu Park; Yong-Hee Lee

doi:10.1117/12.463871

25 April 2002 Two-dimensional square-lattice photonic bandgap single-cell laser

Han-Youl Ryu, Se-Heon Kim, Hong-Gyu Park, Yong-Hee Lee

Proceedings Volume 4655, Photonic Bandgap Materials and Devices; (2002) https://doi.org/10.1117/12.463871
Event: Symposium on Integrated Optoelectronic Devices, 2002, San Jose, California, United States

Abstract

Novel square lattice photonic band gap lasers are realized at room temperature from single cell photonic crystal slab micro-cavities fabricated in InGaAsP materials emitting at 1.5 micrometers . This single cell photonic band gap laser operates in the new class of two-dimensional mode to be classified as the smallest possible whispering gallery mode with genuine energy null at the center. The low-loss nondegenerate mode with modal volume of 0.1 ((lambda) /2)³ demonstrates a spectrometer-limited below-threshold quality factor > 2000 and a theoretical quality factor of > 10,000. Threshold incident peak pump power of 0.8 mW is achieved from this whispering-gallery-type laser mode. The other class of photonic crystal lasers is also observed outside the photonic band gap of the square lattice, operating in the mode characteristically one-dimensional.

Citation Download Citation

Han-Youl Ryu, Se-Heon Kim, Hong-Gyu Park, and Yong-Hee Lee "Two-dimensional square-lattice photonic bandgap single-cell laser", Proc. SPIE 4655, Photonic Bandgap Materials and Devices, (25 April 2002); https://doi.org/10.1117/12.463871

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