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Published November 1999 | Published
Book Section - Chapter Open

Photonic Bandgap Defect Laser


In this work we form a microcavity laser using two-dimensional photonic crystals embedded in a half wavelength thick waveguide. Modes localized to a single defect in the photonic crystal can be theoretically shown to have mode volumes as small 2(λ/2n)^3 and near unity spontaneous emission coupling factors. The flexibility in design of the photonic crystal enables one to tailor the device for vertical emission or for coupling into an in-plane waveguide. These type of devices may be useful for high density, low threshold optical sources in compact optical systems. The added versatility in being able to etch the laser cavity may also help develop low threshold laser sources in material systems in which high index contrast epitaxial mirrors do not exist.

Additional Information

© 1999 IEEE. Issue Date: 1999; Meeting Date: 08 Nov 1999 - 11 Nov 1999; Date of Current Version: 06 August 2002.

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