Light memory function in a double pin SiC device

V. Silva, M. Vieira, M. Vieira, P. Louro, M. Barata

Research output: Contribution to journalArticlepeer-review

Abstract

Abstract A double pi'npin heterostructure based on amorphous SiC has a non linear spectral gain which is a function of the signal wavelength that impinges on its front or back surface. An impulse of a configurable length and amplitude is applied to a 390 nm LED which illuminates one of the sensor surfaces, followed by a time period without any illumination after which an input signal with a different wavelength is impinged upon the front surface. Results show that the intensity and duration of the impulse illumination of the surfaces influences the sensor's response with different output for the same input signal. This paper studies this effect and proposes an application as a short term light memory.

Original languageEnglish
Article number9917
Pages (from-to)99-104
Number of pages6
JournalMicroelectronic Engineering
Volume146
DOIs
Publication statusPublished - 22 Jul 2015

Keywords

  • Digital light signal
  • Light memory
  • SiC technology

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