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

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

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

Author(s) -

Satoshi Sunada,

Takehiro Fukushima,

Susumu Shinohara,

Takahisa Harayama,

Kenichi Arai,

Masaaki Adachi

Publication year - 2014

Publication title -

applied physics letters

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 1.182

H-Index - 442

eISSN - 1077-3118

pISSN - 0003-6951

DOI - 10.1063/1.4883636

Subject(s) - chaotic , semiconductor laser theory , laser , optics , optical chaos , boundary (topology) , current (fluid) , distributed feedback laser , optoelectronics , physics , materials science , computer science , mathematics , mathematical analysis , artificial intelligence , thermodynamics

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 230 μm × 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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