Modelling of switching and stability of vertical-cavity lasers with polarization-selective feedback

Loĭko, N. A.; Naumenko, A. V.; Abraham, N. B.

doi:10.1088/1355-5111/10/1/017

Cited by 8 publications

(1 citation statement)

References 32 publications

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“…The simmetry of the cavity allows also for the possible laser action on two different, linear polarizations selected by the crystal axis. The dynamics of the VCSEL with isotropical optical feedback has been examined experimentally in [23,25] and theoretically in [26], while the role played by polarized optical feedback has been discussed in [27,28,29]. In particular, the setup used in [15] employed a polarizer in the feedback arm, in order to couple back only the radiation of one polarizations; moreover, a suitable range of pump current was chosen, to assure single transverse mode behavior.…”

Section: Introductionmentioning

confidence: 99%

Low-frequency fluctuations in vertical cavity lasers: Experiments versus Lang-Kobayashi dynamics

et al. 2006

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The limits of applicability of the Lang-Kobayashi (LK) model for a semiconductor laser with optical feedback are analyzed. The model equations, equipped with realistic values of the parameters, are investigated below solitary laser threshold where Low Frequency Fluctuations (LFF) are usually observed. The numerical findings are compared with experimental data obtained for the selected polarization mode from a Vertical Cavity Surface Laser (VCSEL) subject to polarization selective external feedback. The comparison reveals the bounds within which the dynamics of the LK can be considered as realistic. In particular, it clearly demonstrates that the deterministic LK, for realistic values of the linewidth enhancement factor α, reproduces the LFF only as a transient dynamics towards one of the stationary modes with maximal gain. A reasonable reproduction of real data from VCSEL can be obtained only by considering noisy LK or alternatively deterministic LK for extremely high α-values.

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Section: Introductionmentioning

confidence: 99%

Low-frequency fluctuations in vertical cavity lasers: Experiments versus Lang-Kobayashi dynamics

et al. 2006

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Polarization dynamics and low-frequency fluctuations in vertical-cavity surface-emitting lasers subjected to optical feedback

et al. 2003

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Abrupt turn-on and hysteresis in a VCSEL with frequency-selective optical feedback

Naumenko

Loĭko

Sondermann

et al. 2006

Optics Communications

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The emission characteristics of a vertical-cavity surface-emitting laser (VCSEL) operated in a single-transverse mode and coupled to an external cavity with a diffraction grating as a frequency-selective element are analyzed experimentally, numerically and analytically. The experiments yield a rather abrupt turn-on of the VCSEL to a high-amplitude emission state and hysteresis phenomena. The experimental results are explained by numerical simulations and analytical calculations demonstrating the possibility of bistability between lasing and non-lasing states close to threshold. Hence, the scheme might be useful in all-optical photonic switching applications. A detailed bifurcation analysis near threshold is given by superimposing the numerical results with analytical steady-state curves. The mode selection and switching behavior obtained in the simulations can be interpreted from the point of view of the preference of states with the minimal total losses.

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Modelling of switching and stability of vertical-cavity lasers with polarization-selective feedback

Cited by 8 publications

References 32 publications

Low-frequency fluctuations in vertical cavity lasers: Experiments versus Lang-Kobayashi dynamics

Low-frequency fluctuations in vertical cavity lasers: Experiments versus Lang-Kobayashi dynamics

Polarization dynamics and low-frequency fluctuations in vertical-cavity surface-emitting lasers subjected to optical feedback

Abrupt turn-on and hysteresis in a VCSEL with frequency-selective optical feedback

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