Chaotic oscillation in a microchip solid-state laser array using a Talbot mirror

Atsushi Uchida; Yoshihide Shimamura; Tetsuya Takahashi; Shigeru Yoshimori; Fumihiko Kannari

Chaotic oscillation in a microchip solid-state laser array using a Talbot mirror

Atsushi Uchida, Yoshihide Shimamura, Tetsuya Takahashi, Shigeru Yoshimori, Fumihiko Kannari

Research output: Contribution to journal › Article

Abstract

We have experimentally observed chaotic oscillation of outputs in a diode-pumped Nd:YAG microchip laser array with an external Talbot mirror. The oscillation of chaotic output is observed at frequencies of sub MHz corresponding to the relaxation oscillation frequencies when the Talbot mirror is slightly tilted from the perfect alignment position with the internal cavity. Chaotic intermittent bursts also appear at frequencies of sub kHz due to longitudinal mode hopping. Synchronization of chaos is observed at these two different time scales. The generation of chaotic oscillations at sub MHz is confirmed by using numerical simulations. It is found that synchronized chaotic oscillations can be observed in the vicinity of the boundary of the injection locking range.

Original language	English
Pages (from-to)	2165-2172
Number of pages	8
Journal	IEICE Transactions on Fundamentals of Electronics, Communications and Computer Sciences
Volume	E84-A
Issue number	9
Publication status	Published - 2001 Sep

Keywords

Injection locking
Intermittency
Laser array
Synchronization of chaos
Talbot effect

ASJC Scopus subject areas

Signal Processing
Computer Graphics and Computer-Aided Design
Electrical and Electronic Engineering
Applied Mathematics

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Uchida, A., Shimamura, Y., Takahashi, T., Yoshimori, S., & Kannari, F. (2001). Chaotic oscillation in a microchip solid-state laser array using a Talbot mirror. IEICE Transactions on Fundamentals of Electronics, Communications and Computer Sciences, E84-A(9), 2165-2172.

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abstract = "We have experimentally observed chaotic oscillation of outputs in a diode-pumped Nd:YAG microchip laser array with an external Talbot mirror. The oscillation of chaotic output is observed at frequencies of sub MHz corresponding to the relaxation oscillation frequencies when the Talbot mirror is slightly tilted from the perfect alignment position with the internal cavity. Chaotic intermittent bursts also appear at frequencies of sub kHz due to longitudinal mode hopping. Synchronization of chaos is observed at these two different time scales. The generation of chaotic oscillations at sub MHz is confirmed by using numerical simulations. It is found that synchronized chaotic oscillations can be observed in the vicinity of the boundary of the injection locking range.",

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AU - Kannari, Fumihiko

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AB - We have experimentally observed chaotic oscillation of outputs in a diode-pumped Nd:YAG microchip laser array with an external Talbot mirror. The oscillation of chaotic output is observed at frequencies of sub MHz corresponding to the relaxation oscillation frequencies when the Talbot mirror is slightly tilted from the perfect alignment position with the internal cavity. Chaotic intermittent bursts also appear at frequencies of sub kHz due to longitudinal mode hopping. Synchronization of chaos is observed at these two different time scales. The generation of chaotic oscillations at sub MHz is confirmed by using numerical simulations. It is found that synchronized chaotic oscillations can be observed in the vicinity of the boundary of the injection locking range.

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