All-optical set–reset flip-flop based on frequency bistability in semiconductor microring lasers

Bahrampour, Abbas; Zakeri, S.S.; Mirzaee, Somayeh M. A.; Ghaderi, Zahra; Farman, Farnaz

doi:10.1016/j.optcom.2009.03.006

Cited by 9 publications

(2 citation statements)

References 30 publications

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“…Bifurcation is a nonlinear phenomenon generates by the combination between the forward and feedback signals within the nonlinear system. Generally, there are three forms of nonlinear behaviors occur, which are (i) chaos, (ii) bifurcation, and (iii) bistability, where there were the various exciting applications reported, for an instant, textile pattern design, communication security, and switching control . In this article, various results of the bifurcation within a nonlinear system known as a Panda‐ring circuit is presented.…”

Section: Introductionmentioning

confidence: 98%

Bifurcation behaviors generated by Panda‐ring control circuit

Bahadoran

Jalil

Ali

et al. 2019

Micro & Optical Tech Letters

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We have demonstrated that the bifurcation patterns can generate by the double Panda‐ring resonator system, where the first system is configured as the input source, while the second system is the feedback control systems. The key concept of the proposal is the two nonlinear side ring resonators that can induce the nonlinear Kerr effect into the center ring. The feedback signals generated from the second ring will induce into the first Panda‐ring, from which the required bifurcation behaviors are obtained. By adjusting the suitable parameters, the simulation results obtained have shown that there are the various exciting bifurcation behaviors in both systems that can be used for the applications such as textile pattern design, information security, and biosensors.

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Section: Introductionmentioning

confidence: 98%

Bifurcation behaviors generated by Panda‐ring control circuit

Bahadoran

Jalil

Ali

et al. 2019

Micro & Optical Tech Letters

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“…Optical bistable devices have been widely investigated for their practical implementations in optical gate systems [1,2], optical switching [3], optical memory [4], optical flip-flops [5][6][7], and photonic signal processing [8], where switching is performed in the optical domain [9]. Fewer investigations on fiber ring resonators have been done to develop optical bistable devices [10][11][12].…”

Section: Introductionmentioning

confidence: 99%

Ultrafast all-optical switching using signal flow graph for PANDA resonator

Bahadoran¹,

Ali²,

Yupapin³

2013

Appl. Opt.

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In this paper, the bifurcation behavior of light in the PANDA ring resonator is investigated using the signal flow graph (SFG) method, where the optical transfer function for the through and drop ports of the PANDA Vernier system are derived. The optical nonlinear phenomena, such as bistability, Ikeda instability, and dynamics of light in the silicon-on-insulator (SOI) PANDA ring resonator with four couplers are studied. The transmission curves for bistability and instability as a function of the resonant mode numbers and coupling coefficients for the coupler are derived by the SFG method and simulated. The proposed system has an advantage as no optical pumping component is required. Simulated results show that closed-loop bistable switching can be generated and achieved by varying mode resonant numbers in the SOI-PANDA Vernier resonator, where a smooth and closed-loop bistable switching with low relative output/input power can be obtained and realized. The minimum through-port switching time of 1.1 ps for resonant mode numbers of 5;4;4 and minimum drop port switching time of 1.96 ps for resonant mode numbers of 9;7;7 of the PANDA Vernier resonator are achieved, which makes the PANDA Vernier resonator an operative component for optical applications, such as optical signal processing and a fast switching key in photonics integrated circuits.

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Nonlinear dynamics in semiconductor ring lasers with negative optoelectronic and incoherent optical feedback

et al. 2014

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In this work, we study theoretically the dynamical behavior of two semiconductor ring lasers (SRLs). One is subject to negative optoelectronic feedback and the other laser is subject to incoherent optical feedback. Relying on asymptotic methods, we are able to reduce the original set of five equations used to describe the dynamical behavior of SRLs with negative optoelectronic feedback (SRL-NOEF) or incoherent optical feedback (SRL-IOF) to two equations and one map with time delay valid on time-scales longer than the relaxation oscillations (ROs). The equations of the reduced models turn out to be the same for both systems. As we vary the feedback strength, the devices under consideration in this work display both continuous wave operation and a period-doubling route to chaos. The two counter-propagating intensities of both systems exhibit in-phase chaotic behavior for small delay times comparable to the period of relaxation oscillations. For delay times significantly longer than the period of ROs, the two counter-propagating modes show in anti-phase chaotic oscillations. Moreover, for long delay times, we find that the counter-propagating intensities of both systems depict the same dynamical behaviors when their feedback strengths are increased.

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All-optical set–reset flip-flop based on frequency bistability in semiconductor microring lasers

Cited by 9 publications

References 30 publications

Bifurcation behaviors generated by Panda‐ring control circuit

Bifurcation behaviors generated by Panda‐ring control circuit

Ultrafast all-optical switching using signal flow graph for PANDA resonator

Nonlinear dynamics in semiconductor ring lasers with negative optoelectronic and incoherent optical feedback

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