Journal
OPTICS EXPRESS
Volume 21, Issue 18, Pages 20931-20940Publisher
OPTICAL SOC AMER
DOI: 10.1364/OE.21.020931
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Funding
- FCT [PTDC/EEA-TEL/100755/2008]
- FCT Portugal [SFRH/BPD/84466/2012]
- Ramon y Cajal fellowship
- project RANGER [TEC2012-38864-C03-01]
- Direcci General de Recerca del Govern de les Illes Balears
- EU FEDER funds
- Ministry of Economics and Competitivity of Spain [FIS2010-22322-C02-01]
- Fundação para a Ciência e a Tecnologia [SFRH/BPD/84466/2012, PTDC/EEA-TEL/100755/2008] Funding Source: FCT
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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. (C) 2013 Optical Society of America
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