Control of vertical-cavity laser polarization with anisotropic transverse cavity geometries
- 1 January 1994
- journal article
- Published by Institute of Electrical and Electronics Engineers (IEEE) in IEEE Photonics Technology Letters
- Vol. 6 (1) , 40-42
- https://doi.org/10.1109/68.265883
Abstract
We show the two-fold polarization degeneracy of etched air-post vertical-cavity surface emitting laser diodes can be lifted and a dominant polarization state selected through use of anisotropic transverse laser cavity geometries. For lasers with rhombus-shaped cavities, fundamental mode lasing emission linearly polarized along one specified crystal axis is obtained up to twice the threshold current. For dumbbell-shaped lasers, fundamental mode lasing emission linearly polarized along one specified crystal axis is maintained over the entire operating range of the device producing a maximum orthogonal polarization suppression ratio of 14 dB.Keywords
This publication has 10 references indexed in Scilit:
- Temperature dependence of gain-guided vertical-cavity surface emitting laser polarizationApplied Physics Letters, 1994
- Transverse mode control of vertical-cavity top-surface-emitting lasersIEEE Photonics Technology Letters, 1993
- Engineered polarization control of GaAs/AlGaAs surface-emitting lasers by anisotropic stress from elliptical etched substrate holeIEEE Photonics Technology Letters, 1993
- Polarization Control of Surface Emitting Lasers by Anisotropic Biaxial StrainJapanese Journal of Applied Physics, 1992
- GaAs vertical-cavity surface emitting lasers fabricated by reactive ion etchingIEEE Photonics Technology Letters, 1991
- Polarisation control for surface emitting lasersElectronics Letters, 1991
- Performance of gain-guided surface emitting lasers with semiconductor distributed Bragg reflectorsIEEE Journal of Quantum Electronics, 1991
- Polarisation characteristics of quantum well vertical cavity surface emitting lasersElectronics Letters, 1991
- Lasing characteristics of GaAs microresonatorsApplied Physics Letters, 1989
- Polarization characteristics of noncircular core single-mode fibersApplied Optics, 1978