Optical Performance of the Silicon Heterostructure Switch

Roger J. Green, Nazar Ali, Ajuoi M. Chol

Research output: Contribution to journalArticlepeer-review

6 Scopus citations


The logical optical detector, described as a version of the silicon heterostructure switch, is considered in terms of its optical performance related to fabrication aspects. This includes sensitivity to white light, and also as a function of wavelength. The analysis accounts for quantum efficiency and absorption depth aspects. Predicted and measured results, taking these into account, shows a very good correspondence. Specifically, applications include bistable switching sensors, pyroelectric detection, and robotic control systems. With the main advantage of only standard processing being required, the construction of the device can be directed toward a wide range of requirements.

Original languageBritish English
Pages (from-to)25-30
Number of pages6
JournalIEEE Transactions on Electron Devices
Issue number1
StatePublished - Jan 1989


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