We have over 12,000 students, from over 100 countries, within one of the safest campuses in the UK


97% of Lancaster students go into work or further study within six months of graduating

Home > Research > Publications & Outputs > Noise-enhanced two-photon absorption by a nonli...
View graph of relations

« Back

Noise-enhanced two-photon absorption by a nonlinear oscillator.

Research output: Contribution in Book/Report/ProceedingsChapter


Publication date1995
Host publicationNoise in Physical Systems and 1/f Noise
EditorsV. Bareikis, R. Katilius
Place of publicationSingapore
PublisherWorld Scientific
Number of pages4
ISBN (Print)9810222785
<mark>Original language</mark>English


The effect of fluctuations in an underdamped nonlinear oscillator on its absorption of an external periodic field at a subharmonic frequency has been investigated theoretically and with an analogue electronic circuit model. It is shown that the absorption is at its most pronounced when the eigenfrequency dispersion has an extremum. In such cases "resonances" with respect to noise intensity occur in two different frequency ranges of the external field, corresponding to two different ranges of noise intensity.

Bibliographic note

From the Proceedings of the 13th International Conference on Nose in Physical Systems and 1/f Noise (ICNF'95), Palanga, Lithuania, 28 May - 3 June 1995.