The application of fiber optic wavelength division multiplexing in RF avionics

Refai, Hakki H.; Sluss, James J.; Atiquzzaman, Mohammed

doi:10.1109/dasc.2004.1390769

Cited by 3 publications

(2 citation statements)

References 6 publications

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“…Previous studies have reported a typical 3IM free dynamic range of 116 dB Hz 2/3 for the CATV application over fiber-optic links. 3,4,11,12 Thus, the measured result is acceptable compared to the reported result. The reduction in the measured 3IM free dynamic range results from the built-in rf amplifier ͑a nonlinear device͒ at the output of the photodiode.…”

Section: Dynamic Range Measurementssupporting

confidence: 54%

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Comparative study of the performance of analog fiber optic links versus free-space optical links

et al. 2006

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Optical fiber offers many advantages over coaxial cable for the transmission of radio frequency ͑rf͒ signals in antenna-remoting applications, as well as cellular networks and cable television ͑CATV͒ signal distribution networks. Optical fiber shows significantly less loss, can support signals demanding much higher bandwidth, is immune to electromagnetic interference ͑EMI͒, and enables considerable size and weight savings when compared to coaxial cable. Free-space optics ͑FSO͒ communications is a technology that uses modulated optical beams to transmit information line of sight through the atmosphere. FSO can be deployed faster and cheaper when compared with optical fiber. Recently, FSO has been investigated by the telecommunications industry and research centers to transport digital signals for civilian "last mile" applications and military applications. We demonstrate the successful transport of modulated rf analog signals over an FSO link and compare key performance measures against a fiber optic link configured in an identical manner. Results of measurements of optical power, transmission response, reflection response, group delay that defines phase distortion, carrier-to-noise ratio ͑CNR͒, and dynamic range that defines nonlinear distortion are presented. Results from this comparative study indicate that FSO for rf applications is a suitable replacement for fiber optic transmission links over short distances.

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Section: Dynamic Range Measurementssupporting

confidence: 54%

“…FSO is highly invulnerable to interference from other sources of laser radiation. 4 4. FSO can be implemented for portable applications, e.g., movable radar dish antennas.…”

Section: Introductionmentioning

confidence: 99%

Comparative study of the performance of analog fiber optic links versus free-space optical links

et al. 2006

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Analog and Digital Avionics Signal Distribution Using WDM

Refai

Sluss

Atiquzzaman³

et al.

24th Digital Avionics Systems Conference

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Transporting RF signals over free-space optical links

et al. 2005

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Free space optics (FSO) is a technology that uses modulated optical beams to transmit information line-of-sight through the atmosphere. To date, the primary focus of FSO research and development has been toward the transmission of digital signals, primarily for "last mile" applications. This paper reports the use of FSO to transport modulated radio frequency (RF) analog signals, together with an investigation of key performance measures. Results indicate minimal RF signal distortion when transmitted over FSO. The advantages of using FSO include increased security and insusceptibility to electromagnetic interference (EMI).

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The application of fiber optic wavelength division multiplexing in RF avionics

Cited by 3 publications

References 6 publications

Comparative study of the performance of analog fiber optic links versus free-space optical links

Comparative study of the performance of analog fiber optic links versus free-space optical links

Analog and Digital Avionics Signal Distribution Using WDM

Transporting RF signals over free-space optical links

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