Boolean logic device done with DFB laser diode

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

Research output: Contribution to journalArticle

2 Citations (Scopus)

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).

LanguageEnglish
Pages58-65
Number of pages8
JournalProceedings of SPIE - The International Society for Optical Engineering
Volume5577
DOIs
Publication statusPublished - 20 Dec 2004

Fingerprint

DFB Laser
Logic devices
Distributed feedback lasers
Laser Diode
logic
Semiconductor lasers
semiconductor lasers
Logic
Optical Injection
Signal Control
output
Output
Q devices
Choose
Boolean functions
injection
Electrooptical effects
Optical devices
Electro-optics
control equipment

Keywords

  • DFB laser diode
  • optical computing
  • optical logic devices
  • semiconductor laser

Cite this

Hurtado, Antonio ; Gonzalez-Marcos, Ana P. ; Martin-Pereda, Jose A. / Boolean logic device done with DFB laser diode. In: Proceedings of SPIE - The International Society for Optical Engineering. 2004 ; Vol. 5577. pp. 58-65.
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Boolean logic device done with DFB laser diode. / Hurtado, Antonio; Gonzalez-Marcos, Ana P.; Martin-Pereda, Jose A.

In: Proceedings of SPIE - The International Society for Optical Engineering, Vol. 5577, 20.12.2004, p. 58-65.

Research output: Contribution to journalArticle

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