Cavity soliton laser based on VCSEL with saturable absorber

Bache, Morten; Prati, Franco; Tissoni, G.; Kheradmand, Reza; Lugiato, L. A.; Protsenko, Igor E.; Brambilla, Massimo

doi:10.1007/s00340-005-1997-9

Cited by 94 publications

(86 citation statements)

References 14 publications

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“…The FitzHugh-Nagumo (FHN) model [2] is a canonical model of excitability, which exhibits a variety of dynamics ranging from spiking to relaxation oscillations. The study of excitability in optics and electronics is of great current interest [3][4][5][6].There is also great interest in developing devices that produce periodic trains of optical pulses, which correspond to distinct comb lines in the frequency domain, for applications ranging from metrology [7] to frequency conversion and signal broadcasting [8]. Narrow pulses, with correspondingly large bandwidths, are particularly useful.…”

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confidence: 99%

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Pulse-train solutions and excitability in an optoelectronic oscillator

Rosin¹,

Callan²,

Gauthier³

et al. 2011

EPL

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-We study an optoelectronic time-delay oscillator with bandpass filtering for different values of the filter bandwidth. Our experiments show novel pulse-train solutions with pulse widths that can be controlled over a three-order-of-magnitude range, with a minimum pulse width of ∼ 150 ps. The equations governing the dynamics of our optoelectronic oscillator are similar to the FitzHugh-Nagumo model from neurodynamics with delayed feedback in the excitable and oscillatory regimes. Using a nullclines analysis, we derive an analytical proportionality between pulse width and the low-frequency cutoff of the bandpass filter, which is in agreement with experiments and numerical simulations. Furthermore, the nullclines help to describe the shape of the waveforms. Copyright c EPLA, 2011Introduction. -Excitability is an essential characteristic of many biological systems, such as neural networks and the heart [1]. The FitzHugh-Nagumo (FHN) model [2] is a canonical model of excitability, which exhibits a variety of dynamics ranging from spiking to relaxation oscillations. The study of excitability in optics and electronics is of great current interest [3][4][5][6].There is also great interest in developing devices that produce periodic trains of optical pulses, which correspond to distinct comb lines in the frequency domain, for applications ranging from metrology [7] to frequency conversion and signal broadcasting [8]. Narrow pulses, with correspondingly large bandwidths, are particularly useful. Therefore, the ability to tune pulse widths to short time scales is very desirable.In this letter, we describe novel pulse-train solutions generated by a time-delay optoelectronic oscillator (OEO). Using nullclines corresponding to solutions that are periodic with the time delay, we find an analytic expression relating the pulse width to the low-frequency cutoff of the bandpass filter in our system. The analytic expression is in good agreement with experiments and numerical simulations. We also apply a similar analysis to the oscillatory regime, where we can control the duty cycle of the limit-cycle oscillations. Again, the nullclines make analytical studies of the waveforms of these solutions possible.

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confidence: 99%

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confidence: 99%

Pulse-train solutions and excitability in an optoelectronic oscillator

Rosin¹,

Callan²,

Gauthier³

et al. 2011

EPL

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“…[2]). While some laser schemes have been proposed and/or demonstrated to sustain CS [3,4,5,6,7], no viable cavity soliton laser (CSL) has been developed for a major laser technology. This useful device would convert broad-area excitation into a narrow, coherent, power beam of high quality, or into a controllable number of such beams.…”

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confidence: 99%

“…A semiconductor-based CSL would be much faster, more compact and more reliable than these systems. A recent theoretical paper considered a semiconductor CSL using a saturable absorber [7]. We adopt a different approach, based on using a VCSEL in conjunction with a frequency-selective external cavity, which is attractive as it can be implemented with essentially any VCSEL structure, using off-the-shelf optical components.…”

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Realization of a Semiconductor-Based Cavity Soliton Laser

et al. 2008

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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. Alloptical control of bistable solitonic emission states representing small microlasers is demonstrated by injection of an external beam. The control scheme is phase-insensitive and hence expected to be robust for all-optical processing applications. The motility of these structures is also demonstrated.

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“…At difference with the previous demonstrations, this system is purely single-longitudinal mode. Its theoretical description is intrinsically simpler and laser CS models have been studied in [90,91] and in [92][93][94] for semiconductor laser models (see also [2] for a recent theoretical review). The vertical-cavity is optically pumped uniformly on a 70 μm diameter.…”

Section: Advances In Optical Technologiesmentioning

confidence: 99%

Cavity Solitons in VCSEL Devices

Barbay

Kuszelewicz

Tredicce

2011

Advances in Optical Technologies

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We review advances on the experimental study of cavity solitons in VCSELs in the past decade. We emphasize on the design and fabrication of electrically or optically pumped broad-area VCSELs used for CSs formation and review different experimental configurations. Potential applications of CSs in the field of photonics are discussed, in particular the use of CSs for all-optical processing of information and for VCSELs characterization. Prospects on self-localization studies based on vertical cavity devices involving new physical mechanisms are also given.

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Cavity soliton laser based on VCSEL with saturable absorber

Cited by 94 publications

References 14 publications

Pulse-train solutions and excitability in an optoelectronic oscillator

Pulse-train solutions and excitability in an optoelectronic oscillator

Realization of a Semiconductor-Based Cavity Soliton Laser

Cavity Solitons in VCSEL Devices

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