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- Yannick Tanguy, T. Ackemann, W. J. Firth, Robert JÃ¤ger
- Physical review letters
- 2008

The realization of a cavity soliton laser using a vertical-cavity surface-emitting semiconductor gain structure coupled to an external cavity with a frequency-selective element is reported.â€¦ (More)

- John M McSloy, W. J. Firth, G. K. Harkness, G-L Oppo
- Physical review. E, Statistical, nonlinear, andâ€¦
- 2002

We apply quasi-exact numerical techniques to the calculation of stationary one- and two-dimensional, bound multipeaked cavity soliton solutions of a model describing a saturable absorber in a drivenâ€¦ (More)

- Pavel V. Paulau, Damia Gomila, T. Ackemann, N. A. Loiko, W. J. Firth
- Physical review. E, Statistical, nonlinear, andâ€¦
- 2008

In this paper, we analyze a model of broad area vertical-cavity surface-emitting lasers subjected to frequency-selective optical feedback. In particular, we analyze the spatio-temporal regimesâ€¦ (More)

We consider some features of spatial solitary-wave switching in a unidirectional ring cavity that is partially filled with a fast and saturably self-focusing nonlinear medium. Large (part-beamâ€¦ (More)

- W. J. Firth, Carlos ParÃ©
- Optics letters
- 1988

Continuous-wave and oscillatory transverse instabilities are predicted for counterpropagating waves in Kerr media for both focusing and defocusing nonlinearities. Neither a cavity nor a finiteâ€¦ (More)

- A. J. Scroggie, John M McSloy, W. J. Firth
- Physical review. E, Statistical, nonlinear, andâ€¦
- 2002

We demonstrate the existence of both bright and dark spontaneously moving spatial solitons in a model of a semiconductor microcavity. The motion is caused by temperature-induced changes in the cavityâ€¦ (More)

- W. J. Firth, Laurie Ann Columbo, A. J. Scroggie
- Physical review letters
- 2007

In spatially extended Turing-unstable systems, parameter variation should, in theory, produce only fully developed patterns. In experiment, however, localized patterns or solitons sitting on a smoothâ€¦ (More)

- N. J. Smith, W. J. Firth, K. J. Blow, Kenneth Brummel - Smith
- Optics letters
- 1994

We study analytically and numerically the interaction of adjacent solitons under the influence of a phase modulator. Above a critical value, a bifurcation takes place and the interaction-free lengthsâ€¦ (More)

- Dave Heatley, W. J. Firth, C. N. Ironside
- Optics letters
- 1993

A recent demonstration of a two-photon laser' has raised the question of the dynamics of two-photon lasers. These dynamics are highly nonlinear, and linear concepts that limit the pulse width, suchâ€¦ (More)

- Pavel V. Paulau, Damia Gomila, +4 authors W. J. Firth
- Optics express
- 2010

We report on the existence, stability and dynamical properties of two-dimensional self-localized vortices with azimuthal numbers up to 4 in a simple model for lasers with frequency-selectiveâ€¦ (More)