Calculation and measurement of resonant-mode blueshifts in oxide-apertured VCSELs

Calculation and measurement of resonant-mode blueshifts in oxide-apertured VCSELs

As the aperture size of oxide-apertured vertical-cavity surface-emitting lasers (VCSELs) shrinks, the lasing wavelength blueshifts. We have calculated this effect using both a scalar effective index model and a full-vector weighted index model. Results were compared against experimental data for two...

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Veröffentlicht in:IEEE photonics technology letters 1998-04, Vol.10 (4), p.475-477
Hauptverfasser: Noble, M.J., Jae-Heon Shin, Choquette, K.D., Lott, J.A., Yong-Hee Lee
Format: Artikel
Sprache:eng
Schlagworte:
Apertures
Laser cavity resonators
Laser modes
Optical surface waves
Propagation constant
Resonance
Semiconductor lasers
Surface emitting lasers
Surface waves
Vertical cavity surface emitting lasers
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Zusammenfassung:As the aperture size of oxide-apertured vertical-cavity surface-emitting lasers (VCSELs) shrinks, the lasing wavelength blueshifts. We have calculated this effect using both a scalar effective index model and a full-vector weighted index model. Results were compared against experimental data for two different VCSEL designs emitting near 780 and 850 nm. We find that the full-vector weighted index calculation matches the data remarkably well, while the scalar effective index calculation underestimates the blueshift.
ISSN:1041-1135
1941-0174
DOI:10.1109/68.662565