Optoelectronic RF signal mixing using an electroabsorption waveguide as an integrated photodetector/mixer

We demonstrate for the first time an electroabsorption (EA) waveguide utilized as an integrated photodetector/mixer for frequency conversion of radio frequency signals, through field-controlled absorption. Using an InAsP-GaInP multiple-quantum-well EA waveguide, a conversion loss of 18.9 dB was obta...

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Bibliographic Details
Published in:IEEE photonics technology letters 2000-02, Vol.12 (2), p.193-195
Main Authors: Shin, D.S., Li, G.L., Sun, C.K., Pappert, S.A., Loi, K.K., Chang, W.S.C., Yu, P.K.L.
Format: Article
Language:English
Subjects:
Conversion
Electromagnetic wave absorption
Frequency conversion
Microwaves
Mixers
Noise levels
Optical losses
Optical mixing
Optical waveguides
Oscillators
Photodetectors
Quantum well devices
Radio frequencies
Radio frequency
RF signals
Waveguides
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Summary:We demonstrate for the first time an electroabsorption (EA) waveguide utilized as an integrated photodetector/mixer for frequency conversion of radio frequency signals, through field-controlled absorption. Using an InAsP-GaInP multiple-quantum-well EA waveguide, a conversion loss of 18.9 dB was obtained at 10-mW optical local oscillator (LO) power, and a suboctave, two-tone spur-free dynamic range of 120.0 dB-Hz/sup 4/5/ was measured for an up-converted signal at 1.9 GHz. This scheme can be useful in antenna applications where optical LO signal distribution is used for frequency converting microwave signals.
ISSN:1041-1135
1941-0174
DOI:10.1109/68.823514