Chaos laser chips with delayed optical feedback using a passive ring waveguide

Satoshi Sunada, Takahisa Harayama, Kenichi Arai, Kazuyuki Yoshimura, Peter Davis, Ken Tsuzuki, Atsushi Uchida

研究成果: Article

48 引用 (Scopus)

抄録

We report a novel chaos semiconductor laser chip in which a distributed feedback (DFB) laser, two semiconductor optical amplifiers (SOAs) and a photodiode (PD) are monolithically integrated with a passive ring waveguide. The ring-type structure with the two separate SOAs achieves stronger delayed optical feedback compared to previous chaos laser chips which use linear waveguide and facet-reflection. The integrated PD allows efficient detection of the optical signal with low optical loss. A rich variety of dynamical behaviors and optical signals can be selectively generated via injection currents to the two separate SOAs. In particular, the strong optical feedback makes possible the generation of strong broadband optical chaos, with very flat spectrum of ±6.5 dB up to 10 GHz. The stability and quality of the chaotic mode is demonstrated using strict statistical tests of randomness applied to long binary sequences extracted by sampling the optical intensity signal.

元の言語English
ページ(範囲)5713-5724
ページ数12
ジャーナルOptics Express
19
発行部数7
DOI
出版物ステータスPublished - 2011 3 28
外部発表Yes

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light amplifiers
chaos
chips
waveguides
photodiodes
optical communication
rings
lasers
statistical tests
distributed feedback lasers
flat surfaces
semiconductor lasers
sampling
injection
broadband

ASJC Scopus subject areas

  • Atomic and Molecular Physics, and Optics

これを引用

Sunada, S., Harayama, T., Arai, K., Yoshimura, K., Davis, P., Tsuzuki, K., & Uchida, A. (2011). Chaos laser chips with delayed optical feedback using a passive ring waveguide. Optics Express, 19(7), 5713-5724. https://doi.org/10.1364/OE.19.005713

Chaos laser chips with delayed optical feedback using a passive ring waveguide. / Sunada, Satoshi; Harayama, Takahisa; Arai, Kenichi; Yoshimura, Kazuyuki; Davis, Peter; Tsuzuki, Ken; Uchida, Atsushi.

:: Optics Express, 巻 19, 番号 7, 28.03.2011, p. 5713-5724.

研究成果: Article

Sunada, S, Harayama, T, Arai, K, Yoshimura, K, Davis, P, Tsuzuki, K & Uchida, A 2011, 'Chaos laser chips with delayed optical feedback using a passive ring waveguide', Optics Express, 巻. 19, 番号 7, pp. 5713-5724. https://doi.org/10.1364/OE.19.005713
Sunada, Satoshi ; Harayama, Takahisa ; Arai, Kenichi ; Yoshimura, Kazuyuki ; Davis, Peter ; Tsuzuki, Ken ; Uchida, Atsushi. / Chaos laser chips with delayed optical feedback using a passive ring waveguide. :: Optics Express. 2011 ; 巻 19, 番号 7. pp. 5713-5724.
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