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Pulse shape control using a main Brillouin amplifier and a reshaping Brillouin amplifier

J. YANG1,2, Z. W. LÜ3,* , W. M. HE3, W. ZHANG1

Affiliation

  1. Research Center for Space Optical Engineering, Harbin Institute of Technology, Harbin 150001, China
  2. College of Electronic Science and Technology, Shenzhen University, Shenzhen 518060, China
  3. Institute of Opto-electronics, Harbin Institute of Technology, Harbin 150001, China

Abstract

In order to finely control the Stokes pulse shape from stimulated Brillouin scattering generator, a novel Brillouin amplifier system including a main Brillouin amplifier and a reshaping Brillouin amplifier is put forward. In this two- Brillouin-amplifier scheme, the main amplifier can control the general pulse shape by changing the delay time between the pump and the Stokes seed, while the reshaping amplifier can finely control the pulse shape, especially the rising edge of the pulse by changing the distance between the two amplifiers. Theoretical and experimental researches show that distance between the two amplifiers is the most important parameter to finely control pulse shapes. And results prove that this scheme is a simple and efficient way to control the pulse shape..

Keywords

Pulse shape control, Stimulated Brillouin scattering, Brillouin amplifiers.

Submitted at: March 10, 2008
Accepted at: July 10, 2008

Citation

J. YANG, Z. W. LÜ, W. M. HE, W. ZHANG, Pulse shape control using a main Brillouin amplifier and a reshaping Brillouin amplifier, Journal of Optoelectronics and Advanced Materials Vol. 10, Iss. 8, pp. 2100-2104 (2008)