Boolean logic device done with DFB laser diode

Antonio Hurtado; Ana P. Gonzalez-Marcos; Jose Antonio Martin-Pereda

doi:10.1117/12.567343

20 December 2004 Boolean logic device done with DFB laser diode

Antonio Hurtado, Ana P. Gonzalez-Marcos, Jose Antonio Martin-Pereda

Proceedings Volume 5577, Photonics North 2004: Optical Components and Devices; (2004) https://doi.org/10.1117/12.567343
Event: Photonics North, 2004, Ottawa, Ontario, Canada

Abstract

We present simulation results on how power output-input characteristic bistability in Distributed FeedBack -DFB semiconductor laser diode SLA can be employed to implemented Boolean logic device. Two configurations of DFB Laser diode under external optical injection, either in the transmission or in the reflective mode of operation, is used to implement different Optical Logic Cells (OLCs), called the Q- and the P-Device OLCs. The external optical injection correspond to two inputs data plus a cw control signal that allows to choose the Boolean logic function to be implement. DFB laser diode parameters are choosing to obtain an output-input characteristic with the values desired. The desired values are mainly the on-off contrast and switching power, conforming shape of hysteretic cycle. Two DFB lasers in cascade, one working in transmission operation and the other one in reflective operation, allows designing an input-output characteristic based on the same respond of a self-electrooptic effect device is obtained. Input power for a bit "1" is 35 μW(70μW) and a bit "0" is zero for all the Boolean function to be execute. Device control signal range to choose the logic function is 0-140 μW (280 μW). Q-device (P-device)

Citation Download Citation

Antonio Hurtado, Ana P. Gonzalez-Marcos, and Jose Antonio Martin-Pereda "Boolean logic device done with DFB laser diode", Proc. SPIE 5577, Photonics North 2004: Optical Components and Devices, (20 December 2004); https://doi.org/10.1117/12.567343

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