A compact chaotic laser device with a two-dimensional external cavity structure

Satoshi Sunada; Takehiro Fukushima; Susumu Shinohara; Takahisa Harayama; Kenichi Arai; Masaaki Adachi

doi:10.1063/1.4883636

A compact chaotic laser device with a two-dimensional external cavity structure

Satoshi Sunada, Takehiro Fukushima, Susumu Shinohara, Takahisa Harayama, Kenichi Arai, Masaaki Adachi

Research output: Contribution to journal › Article › peer-review

9 Citations (Scopus)

Abstract

We propose a compact chaotic laser device, which consists of a semiconductor laser and a two-dimensional (2D) external cavity for delayed optical feedback. The overall size of the device is within 230μm × 1 mm. A long time delay sufficient for chaos generation can be achieved with the small area by the multiple reflections at the 2D cavity boundary, and the feedback strength is controlled by the injection current to the external cavity. We experimentally demonstrate that a variety of output properties, including chaotic output, can be selectively generated by controlling the injection current to the external cavity.

Original language	English
Article number	241105
Journal	Applied Physics Letters
Volume	104
Issue number	24
DOIs	https://doi.org/10.1063/1.4883636
Publication status	Published - 2014 Jun 16
Externally published	Yes

ASJC Scopus subject areas

Physics and Astronomy (miscellaneous)

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10.1063/1.4883636

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AU - Sunada, Satoshi

AU - Fukushima, Takehiro

AU - Shinohara, Susumu

AU - Harayama, Takahisa

AU - Arai, Kenichi

AU - Adachi, Masaaki

PY - 2014/6/16

Y1 - 2014/6/16

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AB - We propose a compact chaotic laser device, which consists of a semiconductor laser and a two-dimensional (2D) external cavity for delayed optical feedback. The overall size of the device is within 230μm × 1 mm. A long time delay sufficient for chaos generation can be achieved with the small area by the multiple reflections at the 2D cavity boundary, and the feedback strength is controlled by the injection current to the external cavity. We experimentally demonstrate that a variety of output properties, including chaotic output, can be selectively generated by controlling the injection current to the external cavity.

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A compact chaotic laser device with a two-dimensional external cavity structure

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