Square-lattice photonic-crystal vertical-cavity surface-emitting lasers

The single mode square lattice photonic-crystal vertical-cavity surface-emitting lasers (PC-VCSELs) are proposed and demonstrated. Square-lattice photonic-crystal patterns of various lattice constants are introduced on top mirrors of VCSELs having two different current apertures. The maximum single...

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Bibliographic Details
Published in:Optics express 2004-08, Vol.12 (17), p.4136-4143
Main Authors: Lee, Keum-Hee, Baek, Jong-Hwa, Hwang, In-Kag, Lee, Yong-Hee, Lee, Gyu-Han, Ser, Jung-Hoon, Kim, Hee-Dae, Shin, Hyun-Eoi
Format: Article
Language:English
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Summary:The single mode square lattice photonic-crystal vertical-cavity surface-emitting lasers (PC-VCSELs) are proposed and demonstrated. Square-lattice photonic-crystal patterns of various lattice constants are introduced on top mirrors of VCSELs having two different current apertures. The maximum single mode output power of about 1 mW is obtained from the device with lattice constant of 5.0 m and current aperture of 16 m. The PC-VCSEL operates in a single transverse mode in an entire operating current range with a side-mode suppression ratio of over 20 dB. The asymmetric introduction of smaller air holes improves the polarization selectivity.
ISSN:1094-4087
1094-4087
DOI:10.1364/OPEX.12.004136