Performance of an optical amplifier/modulator based on a diode laser

The performed numerical simulation shows that the main parameter determining the performance of an optical amplifier/modulator is the stimulated-emission cross section (differential gain) in the active region. A cross section of {approx}3x10{sup -15} cm{sup 2}, which is quite realistic for modern he...

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Bibliographic Details
Published inQuantum electronics (Woodbury, N.Y.) Vol. 40; no. 9; pp. 782 - 788
Main Authors Bogatov, Alexandr P, Drakin, A E, D'yachkov, N V
Format Journal Article
LanguageEnglish
Published United States IOP Publishing 13.11.2010
Subjects
70 PLASMA PHYSICS AND FUSION TECHNOLOGY
AMPLIFICATION
AMPLIFIERS
CLASSICAL AND QUANTUM MECHANICS, GENERAL PHYSICS
COMPUTERIZED SIMULATION
CROSS SECTIONS
ELECTRONIC EQUIPMENT
EMISSION
ENERGY-LEVEL TRANSITIONS
GAIN
LASERS
MODULATION
NANOSTRUCTURES
QUANTUM WELLS
SIMULATION
STIMULATED EMISSION
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Summary:The performed numerical simulation shows that the main parameter determining the performance of an optical amplifier/modulator is the stimulated-emission cross section (differential gain) in the active region. A cross section of {approx}3x10{sup -15} cm{sup 2}, which is quite realistic for modern heterostructures with quantum-well active regions, may provide an amplifier/modulator performance sufficient for data transfer at a rate of {approx}20 Gbit s{sup -1}. (lasers)
ISSN:1063-7818
1468-4799
DOI:10.1070/QE2010v040n09ABEH014370