Boolean logic device done with DFB laser diode

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Hurtado, Antonio and Gonzalez-Marcos, Ana P. and Martin-Pereda, Jose A. (2004) Boolean logic device done with DFB laser diode. Proceedings of SPIE - The International Society for Optical Engineering, 5577. pp. 58-65. ISSN 0277-786X (https://doi.org/10.1117/12.567343)

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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).

ORCID iDs

Hurtado, Antonio ORCID logoORCID: https://orcid.org/0000-0002-4448-9034, Gonzalez-Marcos, Ana P. and Martin-Pereda, Jose A.;
  • Item type:Article
    ID code:52445
    Dates:
    Date
    Event
    20 December 2004
    Published
    Subjects:Science > Physics
    Department:Faculty of Science > Physics
    Depositing user: Pure Administrator
    Date deposited:01 Apr 2015 15:01
    Last modified:11 Nov 2024 10:57
    Related URLs:
    URI:https://strathprints.strath.ac.uk/id/eprint/52445
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