Synchronous Sisyphus effect in diode lasers subject to optical feedback

A. Gavrielides, T. C. Newell, V. Kovanis, R. G. Harrison, N. Swanston, Dejin Yu, Weiping Lu

Research output: Contribution to journalArticle

Abstract

Diode lasers exposed to moderate optical feedback, when biased near threshold, exhibit low-frequency intensity fluctuations in the RF spectrum that materialize as dropout events in the intensity time series. We recorded high-quality intensity time traces and frequency spectra of these events that show a new phenomenon in which the dropout events synchronize and appear at regular time intervals. The fine structure of the individual dropouts is recorded with an ultrafast digitizer that reveals the presence of fast oscillations occurring in the picosecond range. Numerical work based on the single-mode single-delay Lang and Kobayashi rate equations shows a locked state consisting of sharp intensity pulses that are slowly modulated and locked to an extraordinarily regular pattern. ©1999 The American Physical Society.

Original languageEnglish
Pages (from-to)1577-1581
Number of pages5
JournalPhysical Review A
Volume60
Issue number2
Publication statusPublished - 1999

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dropouts
semiconductor lasers
analog to digital converters
fine structure
low frequencies
intervals
oscillations
thresholds
pulses

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Gavrielides, A., Newell, T. C., Kovanis, V., Harrison, R. G., Swanston, N., Yu, D., & Lu, W. (1999). Synchronous Sisyphus effect in diode lasers subject to optical feedback. Physical Review A, 60(2), 1577-1581.
Gavrielides, A. ; Newell, T. C. ; Kovanis, V. ; Harrison, R. G. ; Swanston, N. ; Yu, Dejin ; Lu, Weiping. / Synchronous Sisyphus effect in diode lasers subject to optical feedback. In: Physical Review A. 1999 ; Vol. 60, No. 2. pp. 1577-1581.
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Gavrielides, A, Newell, TC, Kovanis, V, Harrison, RG, Swanston, N, Yu, D & Lu, W 1999, 'Synchronous Sisyphus effect in diode lasers subject to optical feedback', Physical Review A, vol. 60, no. 2, pp. 1577-1581.

Synchronous Sisyphus effect in diode lasers subject to optical feedback. / Gavrielides, A.; Newell, T. C.; Kovanis, V.; Harrison, R. G.; Swanston, N.; Yu, Dejin; Lu, Weiping.

In: Physical Review A, Vol. 60, No. 2, 1999, p. 1577-1581.

Research output: Contribution to journalArticle

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AU - Gavrielides, A.

AU - Newell, T. C.

AU - Kovanis, V.

AU - Harrison, R. G.

AU - Swanston, N.

AU - Yu, Dejin

AU - Lu, Weiping

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Gavrielides A, Newell TC, Kovanis V, Harrison RG, Swanston N, Yu D et al. Synchronous Sisyphus effect in diode lasers subject to optical feedback. Physical Review A. 1999;60(2):1577-1581.