Important carrier loss mechanisms in visible lasers revealed by hydrostatic pressure

Important carrier loss mechanisms in visible lasers revealed by hydrostatic pressure

The threshold current, I/sub th/, in Ga/sub 0.5/In/sub 0.5/P visible lasers increases with hydrostatic pressure, at 9.8meV/kbar above 8kbar, indicating thermal excitation and loss to the X minima. Below 8kbar competing effects keep I/sub th/ almost constant.

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Bibliographische Detailangaben
Hauptverfasser: Hawley, M.J., Adams, A.R., Valster, A.
Format: Tagungsbericht
Sprache:eng
Schlagworte:
Capacitive sensors
Carrier confinement
Laboratories
Laser excitation
Laser modes
Laser theory
Photonic band gap
Physics
Semiconductor lasers
Threshold current
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Beschreibung
Zusammenfassung:The threshold current, I/sub th/, in Ga/sub 0.5/In/sub 0.5/P visible lasers increases with hydrostatic pressure, at 9.8meV/kbar above 8kbar, indicating thermal excitation and loss to the X minima. Below 8kbar competing effects keep I/sub th/ almost constant.
DOI:10.1109/ISLC.1992.763629