Numerical Investigation of Method of Reconstructing Gain-Switched Picosecond Pulses from Laser Diodes without Autocorrelation Measurements

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概要

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• A simple method for characterizing the amplitude and phase of picosecond optical pulses from gain-switched laser diodes without autocorrelation measurements is proposed, based on an iterative calculation using only the fundamental and second-harmonic power spectra of an optical pulse to be estimated. The feasibility of the proposed method is examined numerically for gain-switched picosecond pulses obtained using single-mode laser diode rate equations. As a result, although the lack of information normally obtained from autocorrelation measurements means that the initial conditions have a strong influence on the iterative calculation, the proposed method was found to correctly reconstruct the waveform and the frequency-chirp of gain-switched picosecond pulses with an accuracy close to that of the conventional method incorporating autocorrelation measurements.

• Published by the Japan Society of Applied Physics through the Institute of Pure and Applied Physicsの論文
• 2010-03-25

著者

• Matsuyama Tetsuya

  Department Of Physics & Electronics Osaka Prefecture University

• Wada Kenji

  Department Of Energy And Hydrocarbon Chemistry Graduate School Of Engineering Kyoto University

• Hiromichi Horinaka

  Department of Physics and Electronics, Graduate School of Engineering, Osaka Prefecture University, Sakai 599-8531, Japan

• Shinji Koyama

  Department of Physics and Electronics, Graduate School of Engineering, Osaka Prefecture University, Sakai 599-8531, Japan

• Tetsuya Matsuyama

  Department of Physics and Electronics, Graduate School of Engineering, Osaka Prefecture University, Sakai 599-8531, Japan

• Noritake Daisuke

  Department of Physics and Electronics, Graduate School of Engineering, Osaka Prefecture University, Sakai 599-8531, Japan

• Hidetoshi Fukui

  Department of Physics and Electronics, Graduate School of Engineering, Osaka Prefecture University, Sakai 599-8531, Japan

• Daisuke Noritake

  Department of Physics and Electronics, Graduate School of Engineering, Osaka Prefecture University, Sakai 599-8531, Japan

• Kenji Wada

  Department of Physics and Electronics, Graduate School of Engineering, Osaka Prefecture University, Sakai 599-8531, Japan

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