Optical downconversion from millimeter-wave to IF-band over 50 km-long optical fiber link using an electroabsorption modulator

Error-free optical downconversion of 40 GHz millimeter (mm)-wave subcarrier multiplexed 156-Mb/s signal to 3 GHz IF-band optical signal at /spl lambda/=1560 nm over 50 km-long nondispersion shifted single-mode-fiber link is experimentally demonstrated by using an electroabsorption modulator but with...

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Bibliographic Details
Published in:IEEE photonics technology letters 1999-02, Vol.11 (2), p.287-289
Main Authors: Kitayana, K.-I., Griffin, R.A.
Format: Article
Language:English
Subjects:
Antennas
Diode lasers
Dispersion
Dispersions
Electroabsorption modulators
Fiber optics
Frequency conversion
Links
Multiplexing
Optical fiber communication
Optical fiber devices
Optical fibers
Optical modulation
Optical noise
Radio frequency
RF signals
Stations
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Summary:Error-free optical downconversion of 40 GHz millimeter (mm)-wave subcarrier multiplexed 156-Mb/s signal to 3 GHz IF-band optical signal at /spl lambda/=1560 nm over 50 km-long nondispersion shifted single-mode-fiber link is experimentally demonstrated by using an electroabsorption modulator but without using any RF mixer. This optical downconversion technique is particularly suitable for the mm-wave radio on-fiber wireless uplink systems because fiber-optic transport of the downconverted IF-band wireless signals can avoid a serious fiber dispersion effect, and low-cost antenna base stations can be realized without any mm-wave active components.
ISSN:1041-1135
1941-0174
DOI:10.1109/68.740732