Optical Feedback And Bistability: A Review

Collins, Stuart A.; Wasmundt, Kenneth C.

doi:10.1117/12.7972546

Cited by 14 publications

(4 citation statements)

References 21 publications

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“…SLM of such kind doesn't need high writing light intensities and can operate with the He-Ne laser light. 7,8,9 this device was used in optical schemes with 2-D feedback. In 10 realization of Fabry-Perrot interferometer containing complex nonlinear medium based on SLM was described.…”

Section: The Experimental Investigationmentioning

confidence: 99%

<title>Optical memory array device based on the phenomenon of optical transversal autosolitones</title>

Rakhmanov

Shmalhausen

1993

SPIE Proceedings

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Section: The Experimental Investigationmentioning

confidence: 99%

<title>Optical memory array device based on the phenomenon of optical transversal autosolitones</title>

Rakhmanov

Shmalhausen

1993

SPIE Proceedings

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“…Even a small change of control parameters causes some drastic changes of the pictures which demonstrate solutions. The experiment and its results were described in many papers and books, see for example [3,4]. In the first part of our work [5] (called Paper I), the experiment was described and the static (equilibrium) results were presented for particular control parameters.…”

Section: Introductionmentioning

confidence: 99%

Optical Feedback. Ii Dynamic Effects.

Kuźma,

Bałuka

2024

pfe

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In the present paper the mathematical model, introduced by Crutchfield [1], for video feedback performance is outlined. The two dynamical fractals observed in our video feedback experiment have been described. The first one shows the five-fold symmetry. Its spatial form relates well to the one which was simulated numerically by Andersen [2]. The second one consists of black strips with dislocations and rotates with the velocity of 0.2 1/s-1. The spatial form looks like a modern picture and its spatial time evolution correlates well with Chopin music.

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“…The conventional electronic operational amplifier demonstrates similar behavior with the feedback loop. Various optical schemes with positive feedback such as laser, molecular cell inside Fabry-Perot resonator, hybrid schemes with birefringent materials [9] reveal the oscillatory or bistable behavior which also has analogs in electronics and mechanics (harmonic oscillators, triggers). Since the presence of the properly chosen feedback in dynamical system not only improves its performance but can also provide observation of new nonlinear phenomena, we have applied feedback operation concept to the sensor based on the effect of the non-steady-state photo-EMF.…”

mentioning

confidence: 99%

“…Here S is the electrode area, 0 is the average photoconductivity of the sample, L D is the diffusion length of photocarriers, E D =Kk B T/e is the diffusion field, M = 0 / 0 is the Maxwell relaxation time, is the dielectric constant, 0 is the free space permittivity, k B is the Boltzmann constant, and e is the elementary charge, J n ( ) is the Bessel function of the first kind of the n-th order. First let us consider the case of the real gain factor H=H r (8) Im(H r )=0 (9) This situation is typical for conventional analog wideband amplifiers. The phase conditions, i.e.…”

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confidence: 99%