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Semiconductor-laser modulation techniques.

Author(s)
Salim Akbar Avionics Engineering Department, College Aeronautical Engineering, PAF Academy Risalpur, Pakistan
Arshad Ali Avionics Engineering Department, College Aeronautical Engineering, PAF Academy Risalpur, Pakistan
Hafeez-Ur-Rahman Avionics Engineering Department, College Aeronautical Engineering, PAF Academy Risalpur, Pakistan
S. M. H. Zaidi Avionics Engineering Department, College Aeronautical Engineering, PAF Academy Risalpur, Pakistan
Abstract
Three simple modulation techniques for semiconductor lasers have been described. The first technique employs a single constant current source and is suitable for low frequency modulation up to 500 KHz. The second and third techniques employ two constant current sources each with current summing or subtraction and are suitable for higher frequency modulation up to several MHz. Schematic diagrams of designed, developed and tested circuits, implementing each of the above mentioned schemes, have also been presented.
Publication Details
Page(s) 107-110
DOI DOI not available
Published Journal: Nucleus, Volume: 33, Issue: 4, Year: 1996

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