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has been cited by the following article:

• TITLE: Effects of Quantum well Size Alteration on Excitonic Population Oscillation Slow Light Devices Properties

  AUTHORS: Hassan Kaatuzian, Hossein Shokri Kojori, Ashkan Zandi, Reza Kohandani

  KEYWORDS: Slow Light; Coherent Population Oscillation; Quantum Well; Exciton Oscillator Strength; Exciton Binding Energy

  JOURNAL NAME: Optics and Photonics Journal, Vol.3 No.2B, July 23, 2013

  ABSTRACT: This paper investigates the effects of quantum well size changes on center frequency and slow down factor of an slow light device. In this way, we consider the quantum well size alteration effects on oscillator strength and binding energy of exciton. First, we investigate the variations in oscillator strength of exciton due to different quantum well size. Second, exciton binding energy level shift due to size of quantum well is investigated. According to this analysis, we have developed a new method for tuning slow light device bandwidth center frequency and slow down factor. Analysis and simulation of a basic GaAs/AlGaAs quantum wells optical slow light device based on excitonic population oscillation shows that size of quantum wells could tune both of the frequency properties and slow down factor of an optical slow light device. In our simulation with 34 quantum wells each with the width of 60?, we have received the slow down factor of more than 60,000. These achievements are useful in optical nonlinearity enhancements, all-optical signal processing applications and optical communications.