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Volume 30 Issue 2
Sep.  2013
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Generation of tunable dual-wavelength low jitter gain-switched optical pulses

  • Corresponding author: WANG Yun-cai, wangyc@tyut.edu.cn
  • Received Date: 2005-01-19
    Accepted Date: 2005-03-03
  • A novel scheme for generating dual-wavelength low timing jitter tunable ultra-short pulses is demonstrated.Injecting the external seeding source to the gain-switched F-P laser diode,a reduction of timing jitter and a tunable dual-wavelength spectrum is achieved.Two multiple quantum-well DFB laser diodes are used as the external-injection seeding source.Adjusting the temperature of the laser diodes and the polarization of the seeding source,the injection seeding source is coupled with the F-P laser diode effectively.A reduction of timing jitter(root-mean-square) from 2.57ps to 1.06ps is achieved,and the output side-mode-suppression-ratio is larger than 25dB.Changing the temperature of the laser diodes,a tunable range from 1540nm to 1560nm is achieved.
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    沈阳化工大学材料科学与工程学院 沈阳 110142

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Generation of tunable dual-wavelength low jitter gain-switched optical pulses

    Corresponding author: WANG Yun-cai, wangyc@tyut.edu.cn
  • 1. Department of Applied Physics, Taiyuan University of Technology, Taiyuan 030024, China

Abstract: A novel scheme for generating dual-wavelength low timing jitter tunable ultra-short pulses is demonstrated.Injecting the external seeding source to the gain-switched F-P laser diode,a reduction of timing jitter and a tunable dual-wavelength spectrum is achieved.Two multiple quantum-well DFB laser diodes are used as the external-injection seeding source.Adjusting the temperature of the laser diodes and the polarization of the seeding source,the injection seeding source is coupled with the F-P laser diode effectively.A reduction of timing jitter(root-mean-square) from 2.57ps to 1.06ps is achieved,and the output side-mode-suppression-ratio is larger than 25dB.Changing the temperature of the laser diodes,a tunable range from 1540nm to 1560nm is achieved.

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