Chin. Phys. Lett.  2006, Vol. 23 Issue (3): 535-538    DOI:
Original Articles |
Exact Solution to Rate Equation with Time-Dependent Coefficients: Its Application in InGaAsP Lasers
WANG Gang1;LUO Bin1;PAN Wei1;WU Shao-Quan2;HOU Bang-Pin2
1School of Information Science and Technology, Southwest Jiaotong University, Chengdu 610031 2Department of Physics, Sichuan Normal University, Chengdu 610068
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WANG Gang, LUO Bin, PAN Wei et al  2006 Chin. Phys. Lett. 23 535-538
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Abstract By using the algebraic dynamics method, we obtain exact analytical solutions of rate equations with time-dependent coefficients, which might present an effective description of the physical mechanism of the practical semiconductor lasers. Based on the exact solutions, we investigate the dynamic behaviour and the emitted properties of the InGaAsP laser, which has been commonly used in long wavelength optical communication systems. It is found that when the cavity length varies with time exponentially, the output power of the laser will drop and approach its asymptote. When the cavity length is a sinusoid function of time, the intensity of the emitted optical pulses can be controlled by the amplitude of this function.
Keywords: 03.65.Fd      02.20.Hj     
Published: 01 March 2006
PACS:  03.65.Fd (Algebraic methods)  
  02.20.Hj (Classical groups)  
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https://cpl.iphy.ac.cn/       OR      https://cpl.iphy.ac.cn/Y2006/V23/I3/0535
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WANG Gang
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HOU Bang-Pin
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