Publication details.

Paper

Year:2013
Author(s):B. Romeira, J. Javaloyes, Ironside C. N., J. M. L. Figueiredo, S. Balle, O. Piro
Title:Excitability and optical pulse generation in semiconductor lasers driven by resonant tunneling diode photo-detectors
Journal:OPTICS EXPRESS
ISSN:1094-4087
JCR Impact Factor:3.525
Volume:21
Issue No.:18
Pages:20931-20940
D.O.I.:10.1364/OE.21.020931
Web:http://www.opticsexpress.org/abstract.cfm?URI=oe-21-18-20931
Abstract:

We demonstrate, experimentally and theoretically, excitable
nanosecond optical pulses in optoelectronic integrated circuits operating at telecommunication wavelengths (1550 nm) comprising a nanoscale double barrier quantum well resonant tunneling diode (RTD) photo-detector driving a laser diode (LD). When perturbed either electrically or optically by an input signal above a certain threshold, the optoelectronic circuit generates short electrical and optical excitable pulses mimicking the spiking
behavior of biological neurons. Interestingly, the asymmetric nonlinear characteristic of the RTD-LD allows for two different regimes where one obtain either single pulses or a burst of multiple pulses. The high-speed excitable response capabilities are promising for neurally inspired information applications in photonics.

Related staff

  • Oreste Piro