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Optical bias controlled amplification in tandem Si-C pinpin devices

  • M. Vieira (a1) (a2) (a3), M. A Vieira (a1) (a2), P. Louro (a1) (a2), M. Fernandes (a1) (a2), A. Fantoni (a1) (a2) and M. Barata (a1) (a2)...

Abstract

A monolithic double pi’n/pin a-SiC:H device that combines the demultiplexing operation with the simultaneous photodetection and self amplification of the signal is analyzed under different electrical and optical bias conditions at low and high excitation frequencies. Results show that the transducer is a bias wavelength current-controlled device that make use of changes in the wavelength of the background to control the power delivered to the load. Self optical bias amplification or quenching under uniform irradiation and transient conditions is achieved. The device acts as an optical amplifier whose gain depends on the background wavelength and frequency. An optoelectronic model supported by an electrical simulation explains the operation of the optical system.

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References

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1. Connelly, M. J., Semiconductor Optical Amplifiers. Boston, MA: Springer-Verlag, 2002. ISBN 978-0-7923-7657-6.
2. Vieira, M., Fernandes, M., Louro, P., Fantoni, A., Vieira, M. A., Costa, J., Barata, M., Mat. Res. Soc. Symp. Proc. Volume 1245, A08–02 (2010) .
3. Vieira, M., Fantoni, A., Louro, P., Fernandes, M., Schwarz, R., Lavareda, G., and Carvalho, C. N., Vacuum, Vol. 82, Issue 12, 8 August 2008, pp: 15121516.10.1016/j.vacuum.2008.03.056
4. Vieira, M. A., Vieira, M., Costa, J., Louro, P., Fernandes, M., Fantoni, A., in Sensors & Transducers Journal Vol. 9, Special Issue, December 2010, pp.96120.

Keywords

Optical bias controlled amplification in tandem Si-C pinpin devices

  • M. Vieira (a1) (a2) (a3), M. A Vieira (a1) (a2), P. Louro (a1) (a2), M. Fernandes (a1) (a2), A. Fantoni (a1) (a2) and M. Barata (a1) (a2)...

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