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Subnanosecond switching of bistable tandem lasers by subpicojoule optical triggering

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3 Author(s)
Ohlander, Ulf ; Institute of Optical Research and Department of Physics, Royal Institute of Technology, S‐100 44 Stockholm, Sweden ; Blixt, Peter ; Sahlen, Olof

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We report on the switching‐on characteristics of a bistable two‐section laser diode triggered by subnanosecond optical input pulses. Minimum switching energy as a function of current bias level was measured for different input pulse wavelengths. Subnanosecond and subpicojoule switching was obtained. Estimating the input coupling to be 10%, the lowest bistable switching energy recorded was 23 fJ. The fastest recorded rise time was less than 100 ps.

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Applied Physics Letters  (Volume:53 ,  Issue: 14 )