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Numerical analysis and optimization of gain lever and distortion in 1.3 μm bisection quantum well laser diode for 2.4 GHz radio over fiber applications

S. PIRAMASUBRAMANIAN1,* , M. GANESH MADHAN1

Affiliation

  1. Department of Electronics Engineering, Madras Institute of Technology Campus, Anna University, Chennai, India, 600 044

Abstract

We analyze the distortion characteristics of 1.3 μm, gain levered multiple quantum well Laser, for 2.4 GHz radio over fiber applications. The rate equations are numerically solved to determine the device characteristics. Gain lever and second harmonic distortion are evaluated for different bias currents and section length ratios. First and second harmonic contents of optical power output are evaluated from this numerical solution. Further, mathematical expression for second harmonic distortion is also derived from the rate equations. Optimum values of device parameters and operating conditions for maximum gain lever and minimum distortion are determined..

Keywords

Bi section MQW laser, Radio over Fiber (RoF), Gain lever effect, Second harmonic distortion, Third order intermodulation distortion, Runge – Kutta method, Rate equations.

Submitted at: Aug. 14, 2012
Accepted at: Jan. 22, 2014

Citation

S. PIRAMASUBRAMANIAN, M. GANESH MADHAN, Numerical analysis and optimization of gain lever and distortion in 1.3 μm bisection quantum well laser diode for 2.4 GHz radio over fiber applications, Journal of Optoelectronics and Advanced Materials Vol. 16, Iss. 1-2, pp. 93-101 (2014)