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Quantum noise measurements in a continuous-wave laser-diode-pumped Nd:YAG saturated amplifier
Shally Saraf1, Karel Urbanek, Robert L Byer
1E. L. Ginzton Laboratory, Stanford University, Stanford, California 94305, USA. saraf@stanford.edu
Optics Letters
|June 10, 2005
Abstract:
We present measurements of the power noise due to optical amplification in a Nd:YAG free-space traveling-wave amplifier as the amplifier transitions from the linear regime into the heavily saturated regime. The quantum noise behavior is demonstrated by saturating the gain of a 100-W class zigzag slab amplifier with a high-power beam and measuring the power noise detected by a single-spatial-mode probe beam traversing the same optical path through the amplifier.
