Time-domain response to ps optical pulse trigger of an all-optical flip-flop based on semiconductor ring laser

Andrea Trita; Sandor Furst; Gabor Mezosi; Marc Sorel; Maria Jose Latorre Vidal; Jin Yu; Francesca Bragheri; Ilaria Cristiani; Guido Giuliani

doi:10.1117/12.783928

8 May 2008 Time-domain response to ps optical pulse trigger of an all-optical flip-flop based on semiconductor ring laser

Andrea Trita, Sandor Furst, Gabor Mezosi, Marc Sorel, Maria Jose Latorre Vidal, Jin Yu, Francesca Bragheri, Ilaria Cristiani, Guido Giuliani

Author Affiliations +

Proceedings Volume 6997, Semiconductor Lasers and Laser Dynamics III; 699724 (2008) https://doi.org/10.1117/12.783928
Event: SPIE Photonics Europe, 2008, Strasbourg, France

Abstract

Monolithic Semiconductor Ring Lasers (SRLs) are promising devices for all-optical memory and all-optical switching applications, as they can operate in a directional bistable regime where only one directional mode (clockwise or anti-clockwise) is active at one time. The unidirectional bistable regime can be naturally associated to a binary logic, and the SRL represents an elementary digital memory cell that can be written all-optically, realising the function of an all-optical flip-flop. In fact, the direction of operation can be switched by injecting an external optical signal pulse into the SRL through one of the 4 input/output ports. Directional switching of the SRL-based all-optical flip-flop has been demonstrated by injecting optical pulses with 5 ps duration into one of the four input/output ports. The required switching energy is around 100 fJ, and the swiching time is between 100 and 200 ps. The same function has been demonstrated by injecting 400 ps pulses as optical trigger.

Citation Download Citation

Andrea Trita, Sandor Furst, Gabor Mezosi, Marc Sorel, Maria Jose Latorre Vidal, Jin Yu, Francesca Bragheri, Ilaria Cristiani, and Guido Giuliani "Time-domain response to ps optical pulse trigger of an all-optical flip-flop based on semiconductor ring laser", Proc. SPIE 6997, Semiconductor Lasers and Laser Dynamics III, 699724 (8 May 2008); https://doi.org/10.1117/12.783928

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