Reflectance modulator based on tandem Fabry-Perot resonators

We present calculations and data on a novel, electrically tunable reflector structure consisting of tandem Fabry–Perot resonators grown as a single epitaxial device. The device consists of three mirrors (quarter-wave stacks of AlGaAs and AlAs) separated by two cavities (one an AlGaAs alloy and the o...

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Bibliographic Details
Published in:Applied physics letters 1991-08, Vol.59 (7), p.753-755
Main Authors: FRITZ, I. J, KLEM, J. F, WENDT, J. R
Format: Article
Language:English
Subjects:
440600 - Optical Instrumentation- (1990-)
ALUMINIUM ARSENIDES
ALUMINIUM COMPOUNDS
Applied sciences
ARSENIC COMPOUNDS
ARSENIDES
ELECTRO-OPTICAL EFFECTS
Electronics
Exact sciences and technology
FABRY-PEROT INTERFEROMETER
GALLIUM ARSENIDES
GALLIUM COMPOUNDS
INTERFEROMETERS
MEASURING INSTRUMENTS
MIRRORS
OTHER INSTRUMENTATION
PNICTIDES
REFLECTION
Semiconductor electronics. Microelectronics. Optoelectronics. Solid state devices
SUPERLATTICES
TUNING
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Summary:We present calculations and data on a novel, electrically tunable reflector structure consisting of tandem Fabry–Perot resonators grown as a single epitaxial device. The device consists of three mirrors (quarter-wave stacks of AlGaAs and AlAs) separated by two cavities (one an AlGaAs alloy and the other a GaAs/AlGaAs superlattice) on a GaAs substrate. The tandem cavities produce a characteristic double-dipped reflectance spectrum which can be modulated by tunable electro-optic effects in the superlattice cavity. Our demonstration device has a modulation depth of ≳10% over a 20 nm bandwidth with
ISSN:0003-6951
1077-3118
DOI:10.1063/1.105332