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Frequency and phase locking of laser cavity solitons

Ackemann, Thorsten and Noblet, Yoann and Paulau, P.V. and McIntyre, Craig and Colet, Pere and Firth, William and Oppo, Gian-Luca (2012) Frequency and phase locking of laser cavity solitons. In: Spontaneous symmetry breaking, self-trapping, and josephson oscillations in nonlinear systems. Progress in Optical Science and Photonics, 1 . Springer, pp. 49-88. ISBN 9783642212062

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Self-localized states or dissipative solitons have the freedom of translation in systems with a homogeneous background. When compared to cavity solitons in coherently driven nonlinear optical systems, laser cavity solitons have the additional freedom of the optical phase. We explore the consequences of this additional Goldstone mode and analyse experimentally and numerically frequency and phase locking of laser cavity solitons in a vertical-cavity surface-emitting laser with frequency-selective feedback. Due to growth-related variations of the cavity resonance, the translational symmetry is usually broken in real devices. Pinning to different defects means that separate laser cavity solitons have different frequencies and are mutually incoherent. If two solitons are close to each other, however, their interaction leads to synchronization due to phase and frequency locking with strong similarities to the Adler-scenario of coupled oscillators.

Item type: Book Section
ID code: 40933
Keywords: optics, lasers, cavity solitons, cavity soliton laser, dissipative solitons, Physics
Subjects: Science > Physics
Department: Faculty of Science > Physics
Depositing user: Pure Administrator
Date Deposited: 21 Aug 2012 13:44
Last modified: 23 Jul 2015 18:50
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