High gain signal amplification in an InSb transphasor at 77 K

F. A P Tooley; S. D. Smith; C. T. Seaton

doi:10.1063/1.94515

High gain signal amplification in an InSb transphasor at 77 K

F. A P Tooley, S. D. Smith, C. T. Seaton

School of Engineering & Physical Sciences

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28 Citations (Scopus)

Abstract

We present experimental observations of the variations of the input-output characteristic of a nonlinear Fabry-Perot resonator as a function of initial detuning. The characteristics include regions with various differential gains, or show hysteresis with the width of the bistable region being variable. Operating the device as a transphasor (optical transistor), a signal of 3 µW can be amplified with a signal power gain of up to 10⁴ with the device operating at 77 K and 1819 cm^-1.

Original language	English
Pages (from-to)	807-809
Number of pages	3
Journal	Applied Physics Letters
Volume	43
Issue number	9
DOIs	https://doi.org/10.1063/1.94515
Publication status	Published - 1983

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AB - We present experimental observations of the variations of the input-output characteristic of a nonlinear Fabry-Perot resonator as a function of initial detuning. The characteristics include regions with various differential gains, or show hysteresis with the width of the bistable region being variable. Operating the device as a transphasor (optical transistor), a signal of 3 µW can be amplified with a signal power gain of up to 104 with the device operating at 77 K and 1819 cm-1.

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High gain signal amplification in an InSb transphasor at 77 K

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