Experimental synchronization of chaotic oscillations in two Nd:YVO4 microchip lasers

M. Shinozuka; A. Uchida; T. Ogawa; F. Kannari

doi:10.1109/CLEOPR.1999.814673

Experimental synchronization of chaotic oscillations in two Nd:YVO₄ microchip lasers

M. Shinozuka, A. Uchida, T. Ogawa, F. Kannari

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

Abstract

We experimentally demonstrated synchronization of chaos in a master-slave type set-up with two diode-pumped Nd:YVO₄ microchip lasers (λ=1064 nm) for the first time. Chaotic output in the microchip lasers is easily obtained by modulating the injection current of the laser diode for pumping (pump modulation) near the relaxation oscillation frequency (∼MHz). The relatively low relaxation oscillation frequencies compared with those of laser diodes (∼GHz) make it easy to observe and control the chaos in the microchip solid-state lasers. To realize more accurate synchronization, the injected power into the slave laser cavity should be increased. We observed that the variance of the correlation plot decreases with increasing injected power. Moreover stable synchronization can also be obtained under higher injected power since the injection locking range is proportional to the square root of the injected power.

Original language	English
Title of host publication	CLEO/Pacific Rim 1999 - Pacific Rim Conference on Lasers and Electro-Optics
Publisher	Institute of Electrical and Electronics Engineers Inc.
Pages	1081-1082
Number of pages	2
ISBN (Electronic)	0780356616, 9780780356610
DOIs	https://doi.org/10.1109/CLEOPR.1999.814673
Publication status	Published - 1999 Jan 1
Event	1999 Pacific Rim Conference on Lasers and Electro-Optics, CLEO/Pacific Rim 1999 - Seoul, Korea, Republic of Duration: 1999 Aug 30 → 1999 Sept 3

Publication series

Name	CLEO/Pacific Rim 1999 - Pacific Rim Conference on Lasers and Electro-Optics
Volume	4

Conference

Conference	1999 Pacific Rim Conference on Lasers and Electro-Optics, CLEO/Pacific Rim 1999
Country/Territory	Korea, Republic of
City	Seoul
Period	99/8/30 → 99/9/3

ASJC Scopus subject areas

Electronic, Optical and Magnetic Materials
Atomic and Molecular Physics, and Optics
Computer Networks and Communications
Physics and Astronomy(all)

Access to Document

10.1109/CLEOPR.1999.814673

Cite this

Shinozuka, M., Uchida, A., Ogawa, T., & Kannari, F. (1999). Experimental synchronization of chaotic oscillations in two Nd:YVO₄ microchip lasers. In CLEO/Pacific Rim 1999 - Pacific Rim Conference on Lasers and Electro-Optics (pp. 1081-1082). [814673] (CLEO/Pacific Rim 1999 - Pacific Rim Conference on Lasers and Electro-Optics; Vol. 4). Institute of Electrical and Electronics Engineers Inc.. https://doi.org/10.1109/CLEOPR.1999.814673

Experimental synchronization of chaotic oscillations in two Nd:YVO₄ microchip lasers. / Shinozuka, M.; Uchida, A.; Ogawa, T. et al.
CLEO/Pacific Rim 1999 - Pacific Rim Conference on Lasers and Electro-Optics. Institute of Electrical and Electronics Engineers Inc., 1999. p. 1081-1082 814673 (CLEO/Pacific Rim 1999 - Pacific Rim Conference on Lasers and Electro-Optics; Vol. 4).

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

Shinozuka, M, Uchida, A, Ogawa, T & Kannari, F 1999, Experimental synchronization of chaotic oscillations in two Nd:YVO₄ microchip lasers. in CLEO/Pacific Rim 1999 - Pacific Rim Conference on Lasers and Electro-Optics., 814673, CLEO/Pacific Rim 1999 - Pacific Rim Conference on Lasers and Electro-Optics, vol. 4, Institute of Electrical and Electronics Engineers Inc., pp. 1081-1082, 1999 Pacific Rim Conference on Lasers and Electro-Optics, CLEO/Pacific Rim 1999, Seoul, Korea, Republic of, 99/8/30. https://doi.org/10.1109/CLEOPR.1999.814673

Shinozuka M, Uchida A, Ogawa T, Kannari F. Experimental synchronization of chaotic oscillations in two Nd:YVO₄ microchip lasers. In CLEO/Pacific Rim 1999 - Pacific Rim Conference on Lasers and Electro-Optics. Institute of Electrical and Electronics Engineers Inc. 1999. p. 1081-1082. 814673. (CLEO/Pacific Rim 1999 - Pacific Rim Conference on Lasers and Electro-Optics). doi: 10.1109/CLEOPR.1999.814673

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abstract = "We experimentally demonstrated synchronization of chaos in a master-slave type set-up with two diode-pumped Nd:YVO4 microchip lasers (λ=1064 nm) for the first time. Chaotic output in the microchip lasers is easily obtained by modulating the injection current of the laser diode for pumping (pump modulation) near the relaxation oscillation frequency (∼MHz). The relatively low relaxation oscillation frequencies compared with those of laser diodes (∼GHz) make it easy to observe and control the chaos in the microchip solid-state lasers. To realize more accurate synchronization, the injected power into the slave laser cavity should be increased. We observed that the variance of the correlation plot decreases with increasing injected power. Moreover stable synchronization can also be obtained under higher injected power since the injection locking range is proportional to the square root of the injected power.",

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