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Enhancement of response of a bistable VCSEL to modulated orthogonal optical feedback by vibrational resonance |
Optics Letters, Vol. 37, Issue 21, pp. 4386-4388 (2012)
http://dx.doi.org/10.1364/OL.37.004386
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Abstract
It is experimentally demonstrated that the response of a bistable vertical-cavity surface-emitting laser at a selected polarization to the effect of the modulated optical feedback at the orthogonal polarization can be considerably enhanced by the additional periodic current modulation via vibrational resonance. It shows up as a nonmonotonic dependence of the response at the frequency of the modulated optical feedback as a function of the amplitude of the current modulation. In such conditions the laser response can be amplified more than 80 times for a weak optical feedback. At the optimal amplitude of the current modulation a complete synchronization of optical switchings between polarization states with modulated optical feedback is observed. The effect of asymmetry of a bistable quasi-potential is also experimentally demonstrated.
© 2012 Optical Society of America
OCIS Codes
(190.1450) Nonlinear optics : Bistability
(250.7260) Optoelectronics : Vertical cavity surface emitting lasers
(260.5430) Physical optics : Polarization
ToC Category:
Optoelectronics
History
Original Manuscript: June 25, 2012
Revised Manuscript: September 4, 2012
Manuscript Accepted: September 15, 2012
Published: October 18, 2012
Citation
V. N. Chizhevsky, "Enhancement of response of a bistable VCSEL to modulated orthogonal optical feedback by vibrational resonance," Opt. Lett. 37, 4386-4388 (2012)
http://www.opticsinfobase.org/ol/abstract.cfm?URI=ol-37-21-4386
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