Periodic Oscillations And Chaos In Optical Bistability: Possible Guided-Wave All-Optical Square-Wave Oscillators

H. M. Gibbs; F. A. Hopf; D. L. Kaplan; M. W. Derstine; R. L. Shoemaker

doi:10.1117/12.933119

2 August 1982 Periodic Oscillations And Chaos In Optical Bistability: Possible Guided-Wave All-Optical Square-Wave Oscillators

H. M. Gibbs, F. A. Hopf, D. L. Kaplan, M. W. Derstine, R. L. Shoemaker

Author Affiliations +

Proceedings Volume 0317, Integrated Optics and Millimeter and Microwave Integrated Circuits; (1982) https://doi.org/10.1117/12.933119
Event: Integrated Optics and Millimeter and Microwave Integrated Circuits, 1981, Huntsville, United States

Abstract

We have observed periodic oscillations and optical turbulence in hybrid optical bistable systems having a delay in the feedback, as predicted by Ikeda et al. The period-two output is essentially a square wave of period equal to twice the feedback delay time. Most of the measurements in our hybrid system have been made with a detector-amplifier-modulator response time T of 0.8 ms, much less than the 36 ms computer-generated delay time tR, as required for Ikeda instabilities. Period-two oscillations have also been seen with an optical fiber providing a tR of 6 ps. These hybrid systems have enabled us to study the path to chaos as the input intensity or feedback gain is increased. In all-optical bi-stable devices, such as semiconductor etalons, the feedback time is the cavity round-trio time, which can be made very short (approximately picoseconds), so that many-gigahertz all-optical oscillators can be contemplated. However, such oscillations also require that the medium response time be shorter than the delay time, so realization of high-frequency optical oscillators must await the discovery of high-speed bistable optical devices. In the meantime, use of fast nonresonant nonlinearities in guided-wave configurations could lead to gigahertz optical oscillators.

Citation Download Citation

H. M. Gibbs, F. A. Hopf, D. L. Kaplan, M. W. Derstine, and R. L. Shoemaker "Periodic Oscillations And Chaos In Optical Bistability: Possible Guided-Wave All-Optical Square-Wave Oscillators", Proc. SPIE 0317, Integrated Optics and Millimeter and Microwave Integrated Circuits, (2 August 1982); https://doi.org/10.1117/12.933119

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