AlGaAsSb/InGaAsSb phototransistors for spectral range around 2 μm

O. V. Sulima, T. F. Refaat, M. G. Mauk, J. A. Cox, J. Li, S. K. Lohokare, M. N. Abedin, U. N. Singh, J. A. Rand

Research output: Contribution to journalArticlepeer-review

17 Citations (Scopus)

Abstract

The first AlGaAsSb/InGaAsSb phototransistors sensitive in the 2.0-2.1 μm spectral range are reported. These phototransistors exhibited both high gain and relatively low noise, and a record 2 μm detectivity of 3.9 × 1011 cmHz1/2/W was obtained at -20°C, which is equivalent to a noise-equivalent-power of 4.6 × 10-14 W/Hz 1/2.

Original languageEnglish
Pages (from-to)766-767
Number of pages2
JournalElectronics Letters
Volume40
Issue number12
DOIs
Publication statusPublished - 2004 Jun 10

All Science Journal Classification (ASJC) codes

  • Electrical and Electronic Engineering

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