Surface emitting microlaser based on 2D photonic crystal rod lattices

2D photonic crystal (2D PC) structures consisting in a square lattice of Indium Phosphide (InP) microrods bonded on a Silicon/Silica Bragg mirror are experimentally investigated. We focus on slow Bloch modes above the light line, especially at the Gamma-point where a vertical emission can be obtaine...

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Bibliographic Details
Published in:Optics express 2009-06, Vol.17 (12), p.9780-9788
Main Authors: Ferrier, Lydie, El Daif, Ounsi, Letartre, Xavier, Rojo Romeo, Pedro, Seassal, Christian, Mazurczyk, Radoslaw, Viktorovitch, Pierre
Format: Article
Language:English
Subjects:
Computer-Aided Design
Crystallization - methods
Equipment Design
Equipment Failure Analysis
Indium - chemistry
Indium - radiation effects
Lasers
Lenses
Phosphines - chemistry
Phosphines - radiation effects
Photons
Refractometry - instrumentation
Reproducibility of Results
Sensitivity and Specificity
Silicon Dioxide - chemistry
Surface Properties
Transducers
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Summary:2D photonic crystal (2D PC) structures consisting in a square lattice of Indium Phosphide (InP) microrods bonded on a Silicon/Silica Bragg mirror are experimentally investigated. We focus on slow Bloch modes above the light line, especially at the Gamma-point where a vertical emission can be obtained. Stimulated emission around 1.5 microm is demonstrated in such structures, at room temperature, for the first time. In addition the achieved threshold power lies within the range reported for surface emitting devices based on conventional lattices of holes. It is shown that the laser mode is laterally confined by a carrier induced refractive index change, under pulsed excitation. It is also demonstrated that this type of 2D PC is well suited for sensors integrated in microfluidic systems.
ISSN:1094-4087
1094-4087
DOI:10.1364/oe.17.009780