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All-optical flip-flop operation using a polarization bistable VCSEL.
Experimental setup. EC-LD: tunable external cavity laser diode, VND: variable neutral density filter, PC: polarization controller, APD: avalanche photodiode.
Detuning characteristics of the injection pulses for polarization bistable switching.
Detuning characteristics of injection light for injection locking.
Pulse width dependence of minimum switching power.
All-optical flip-flop operation of switching frequency by extremely low energy set/reset pulses.
Record high repetition frequency all-optical flip-flop operation at switching frequency.
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