Issue |
EPL
Volume 82, Number 5, June 2008
|
|
---|---|---|
Article Number | 54001 | |
Number of page(s) | 6 | |
Section | Electromagnetism, Optics, Acoustics, Heat Transfer, Classical Mechanics, and Fluid Dynamics | |
DOI | https://doi.org/10.1209/0295-5075/82/54001 | |
Published online | 19 May 2008 |
Numerical investigation of Littrow lasing in open resonator photonic crystal waveguides
1
Department of Engineering Science, University of Oxford - Parks Road, Oxford, OX1 3PJ, UK, EU
2
Photon Design - 34 Leopold Street, Oxford, OX1 4TW, UK, EU
Received:
18
December
2007
Accepted:
7
April
2008
We present a numerical analysis of in-plane lasing in open resonator photonic crystal (PhC) waveguides in the Littrow configuration. The intensity spectra corresponding to the resonant modes of PhC waveguide lasers are determined and agree closely with resonant modes in the band diagram of the waveguide. We investigate the dependence of the lasing behavior on the properties of the waveguide. In particular, our method allows for the determination of the lasing threshold, for which an optimal waveguide width is found. Because of the good reflectivity of the PhC mirrors the concept of open resonator waveguides holds promise for laterally small lasers.
PACS: 42.55.Tv – Photonic crystal lasers and coherent effects / 02.70.Bf – Finite-difference methods / 42.25.Fx – Wave optics: Diffraction and scattering
© EPLA, 2008
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