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Using chaos for remote sensing of laser radiation
Weng W Chow1, Sebastian Wieczorek
1Sandia National Laboratories, Albuquerque, New Mexico 87185-1086, USA. wwchow@sandia.gov
Optics Express
|April 29, 2009
Abstract:
An idea is proposed for detecting a weak laser signal from a remote source in the presence of strong background noise. The scheme exploits dynamical nonlinearities arising from heterodyning signal and reference fields inside an active reference laser cavity. This paper shows that for certain reference laser configurations, the resulting bifurcations in the reference laser may be used as warning of irradiation by a laser source.
