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- Title
Effect of field and medium asymmetries on enhancement of signal-to-noise ratio.
- Authors
Sen, Pratima; Gahir, Harneet
- Abstract
The effect of field and medium asymmetry on improvement of signal-to-noise ratio (SNR) in respect of homodyne detection technique is analysed theoretically. The analysis is applied to the sample of bulk GaAs irradiated by off-resonant nanosecond pulsed laser. The dependence of SNR on electric field amplitude and local oscillator (LO) phase is examined. It is found that SNR is maximum for the combination of asymmetric field and asymmetric medium.
- Subjects
ELECTROMAGNETIC fields; DETECTORS; PULSED laser deposition; ELECTRIC fields; FIELD theory (Physics)
- Publication
Optical & Quantum Electronics, 2007, Vol 39, Issue 9, p753
- ISSN
0306-8919
- Publication type
Article
- DOI
10.1007/s11082-007-9137-x