Excitability in a quantum dot semiconductor laser with optical injection

被引：158
作者：
Goulding, D. [1 ]
Hegarty, S. P.
Rasskazov, O.
Melnik, S.
Hartnett, M.
Greene, G.
McInerney, J. G.
Rachinskii, D.
Huyet, G.
机构：
[1] Tyndall Natl Inst, Cork, Ireland
[2] Cork Inst Technol, Dept Appl Phys & Instrumentat, Cork, Ireland
[3] Natl Univ Ireland Univ Coll Cork, Dept Phys, Cork, Ireland
[4] Natl Univ Ireland Univ Coll Cork, Dept Appl Math, Cork, Ireland
来源：
PHYSICAL REVIEW LETTERS | 2007年 / 98卷 / 15期
关键词：
D O I：
10.1103/PhysRevLett.98.153903
中图分类号：
O4 [物理学];
学科分类号：
0702 ;
摘要：
We experimentally analyze the dynamics of a quantum dot semiconductor laser operating under optical injection. We observe the appearance of single- and double-pulse excitability at one boundary of the locking region. Theoretical considerations show that these pulses are related to a saddle-node bifurcation on a limit cycle as in the Adler equation. The double pulses are related to a period-doubling bifurcation and occur on the same homoclinic curve as the single pulses.
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页数：4
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