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 > Postponed bifurcations of a ring-laser model wi...
View graph of relations

« Back

Postponed bifurcations of a ring-laser model with a swept parameter and additive colored noise.

Research output: Contribution to journalJournal article


<mark>Journal publication date</mark>03/1987
<mark>Journal</mark>Physical Review A
Number of pages7
<mark>Original language</mark>English


We present measurements of the time evolution of the statistical densities of both amplitude and field intensity obtained from a colored-noise-driven electronic circuit model of a ring laser, as the bifurcation parameter is swept through its critical values. The time-dependent second moments (intensities) were obtained from the densities. In addition, the individual stochastic trajectories were available from which the distribution of bifurcation times was constructed. For short-correlation time (quasiwhite) noise our results are in quantitative agreement with the recent calculations of Boggi, Colombo, Lugiato, and Mandel [Phys. Rev. A 33, 3635 (1986)]. New results for long noise correlation times are obtained.