Phys. Rev. Lett. 84, 3049 - 3052 (2000)Synchronization of Mutually Coupled Self-Mixing Modulated Lasers |
PRL Celebrates 50 Years
This Week's Milestone Letters are from 1984: |
Kenju Otsuka and Ryoji Kawai
Department of Applied Physics, Tokai University, 1117 Kitakaname, Hiratsuka, Kanagawa 259-1292 Japan
Siao-Lung Hwong, Jing-Yuan Ko, and Jyh-Long Chern
Nonlinear Science Group, Department of Physics, National Cheng Kung University, Tainan, Taiwan 70101, Republic of China
Received 20 October 1999
Synchronization of mutually coupled chaotic lasers has been demonstrated in a microchip LiNdP4O12 laser array with self-mixing feedback modulation. An abrupt transition to synchronized chaos by way of “phase squeezing” was observed when coupling between the two lasers was increased. This phenomenon is well reproduced by numerical calculations using model equations. It is also shown that low energy variation as well as high disorder are concurrently established in synchronized chaos.
©2000 The American Physical Society
URL: http://link.aps.org/abstract/PRL/v84/p3049
DOI: 10.1103/PhysRevLett.84.3049
PACS: 05.45.Xt, 42.50.Lc, 42.55.Sa, 42.65.Sf
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