Cavity optimization for minimum pulsewidth of gain-switched semiconductor lasers

The optimum photon lifetime for the minimum pulsewidth of a gain-switched laser is investigated both analytically and numerically. For a fixed pump power, the shortest pulse can be produced when the laser cavity is optimized to give an optical pulsewidth that is /spl sim/2.5 times the photon lifetim...

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Bibliographic Details
Published in:IEEE photonics technology letters 1995-03, Vol.7 (3), p.272-274
Main Authors: Helkey, R.J., Arakawa, Y.
Format: Article
Language:English
Subjects:
Charge carrier density
Equations
Exact sciences and technology
Fundamental areas of phenomenology (including applications)
Lasers
Optical pulse shaping
Optical pulses
Optical pumping
Optics
Physics
Pulse shaping methods
Pump lasers
Semiconductor lasers
Semiconductor lasers
laser diodes
Space vector pulse width modulation
Spontaneous emission
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Summary:The optimum photon lifetime for the minimum pulsewidth of a gain-switched laser is investigated both analytically and numerically. For a fixed pump power, the shortest pulse can be produced when the laser cavity is optimized to give an optical pulsewidth that is /spl sim/2.5 times the photon lifetime. This is in good agreement with experimental results.< >
ISSN:1041-1135
1941-0174
DOI:10.1109/68.372743