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Self-pulsing oxide-confined vertical-cavity lasers with ultralow operating current

Date

1996

Authors

Hammons, B. E., author
Mar, A., author
Geib, K. M., author
Chui, H. C., author
Lear, Kevin L., author
Hou, H. Q., author
Choquette, K. D., author
IEE, publisher

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Volume Title

Abstract

Selectively oxidised vertical-cavity lasers which exhibit self-pulsatin glasing at currents as low as 470nA are reported. Characteristics including linearly polarised emission, narrow linewidths and coherent near- and far-field diffraction indicate that these devices operate as lasers at DC currents < 1μA. Although self-pulsating lasing initiates at submicroampere average current, the injection current during the optical pulse can be > 1mA.

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Subject

semiconductor junction lasers
vertical cavity surface emitting lasers

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