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Optical and Quantum Electronics

, Volume 37, Issue 7, pp 661–673 | Cite as

Characteristics of wavelength conversion of short optical pulses in quantum dot semiconductor optical amplifiers

  • Omar Qasaimeh
Article

Abstract

The characteristics of short optical pulse four-wave mixing (FWM) and amplification in quantum dot semiconductor optical amplifiers (QD-SOAs) are investigated taken into account the effect of the multi-discrete QD energy levels. Different saturation and recovery response for the electron and hole states are observed, which is attributed to different energy spacing between the energy states. We found that the 3 dB saturation energy of QD-SOA depends on the pulse width for short input pulses. Also, the optimum time delay between the probe and pump pulses in QD-SOAs, which provides maximum FWM efficiency in QD-SOAs, is smaller than the optimum delay in quantum well SOA.

Keywords

four-wave mixing pulse quantum dot amplifiers theory wavelength conversion 

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Copyright information

© Springer 2005

Authors and Affiliations

  1. 1.Department of Electrical EngineeringJordan University of Science and TechnologyIrbidJordan

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