2024-03-28T21:18:56Zhttp://digital.csic.es/dspace-oai/requestoai:digital.csic.es:10261/1167722018-09-17T10:42:40Zcom_10261_2855com_10261_4col_10261_2857
DIGITAL.CSIC
author
Arroyo-Almanza, Diana A.
author
Pisarchik, A. N.
author
Fischer, Ingo
author
Mirasso, Claudio R.
author
Soriano, Miguel C.
funder
Consejo Nacional de Ciencia y Tecnología (México)
funder
Ministerio de Ciencia e Innovación (España)
funder
European Commission
2015-06-18T08:50:45Z
2015-06-18T08:50:45Z
2013-08-01
Optics Communications 301-302: 67-73 (2013)
http://hdl.handle.net/10261/116772
10.1016/j.optcom.2013.03.040
http://dx.doi.org/10.13039/501100003141http://dx.doi.org/10.13039/501100004837http://dx.doi.org/10.13039/501100000780
We experimentally study the intensity dynamics and the optical spectra of two similar mutually delay-coupled semiconductor lasers. While changing two relevant parameters of the coupled system, namely the bias currents and the coupling strength of the lasers, we observe significant modifications in the laser emission characterized via optical spectra, laser intensity dynamics, and cross-correlation functions. We find distinct synchronization scenarios for two bias currents: 1.02 and 1.25 times the threshold bias current of the solitary laser. Optical spectra in both cases strongly depend on the coupling strength between the lasers. For the low bias current and strong coupling, the lasers exhibit dynamical bistability, i.e. the coexistence of low-frequency fluctuations and stable continuous-wave emission. © 2013 Elsevier B.V.
eng
closedAccess
Low frequency fluctuation
Synchronization
Optical injection
Nonlinear dynamics
Chaos
Semiconductor laser
Spectral properties and synchronization scenarios of two mutually delay-coupled semiconductor lasers
artículo
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