VCSEL beam waists from optical spectra

VCSEL beam waists from optical spectra

We relate the optical beam waist of a vertical-cavity surface-emitting laser (VCSEL) to a measurement of the transverse mode splitting found in the device's optical output spectra and to a measurement of beam divergence. We show experimentally that the results are in good agreement. Accurate kn...

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Veröffentlicht in:IEEE photonics technology letters 2001-06, Vol.13 (6), p.547-549
Hauptverfasser: Chirovsky, L.M.F., Boyd, G.D., Hobson, W.S., Lopata, J.
Format: Artikel
Sprache:eng
Schlagworte:
Beams (radiation)
Devices
Divergence
High speed
High speed optical techniques
Laser beams
Laser modes
Mirrors
Optical beams
Optical refraction
Optical resonators
Optical surface waves
Photonics
Spectra
Splitting
Surface emitting lasers
Vertical cavity surface emission lasers
Vertical cavity surface emitting lasers
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Beschreibung
Zusammenfassung:We relate the optical beam waist of a vertical-cavity surface-emitting laser (VCSEL) to a measurement of the transverse mode splitting found in the device's optical output spectra and to a measurement of beam divergence. We show experimentally that the results are in good agreement. Accurate knowledge of beam waists is useful for tailoring devices for single-mode or for high-speed operation and to better understand and interpret the mode spectrum.
ISSN:1041-1135
1941-0174
DOI:10.1109/68.924015