Dynamics of the Stokes pulse in a Brillouin amplifier |
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Authors: | Kotova N E Kovalev V I Harrison R G |
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Institution: | Department of Physics, Heriot-Watt University, Riccarton, Edinburgh, UK. nyk2@hw.ac.uk |
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Abstract: | We show that the output Stoke pulse from a continuously (CW) pumped stimulated Brillouin scattering (SBS) amplifier is the sum of the transmitted input Stokes pulse, which propagates undistorted through the medium without amplification and additional delay, and of a Stokes shifted pump signal reflected by the electrostrictively induced acoustic wave, which contributes to the Stokes output signal with a delay determined by the time required for build up of the acoustic wave. |
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