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  4. Optical microwave generation and transmission experiments in the 12- and 60-GHz region for wireless communications
 
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1998
Journal Article
Title

Optical microwave generation and transmission experiments in the 12- and 60-GHz region for wireless communications

Abstract
Experiments on the optical generation and transmission of millimeter-wave radio signals are reported. The millimeter-wave signals are generated by heterodyning the optical spectral lines of a mode-locked laser (MLL) or of two or more semiconductor lasers at an optic/millimeter-wave converter (OMC). 70-, 140-, and 155-Mb/s data transmission experiments have been carried out successfully in optical single-channel and multichannel systems at radio frequencies of 12 GHz and 58-70 GHz. Bit-error-rate measurements yielded error-free transmission and no error floor was observed. A monolithically integrated tunable optical-signal source was developed and used for generating the millimeter-wave signals. This technology promises a high cost-saving potential for applications in radio-over-fiber systems.
Author(s)
Braun, R.-P.
Grosskopf, G.
Heidrich, H.
Helmolt, C. von
Kaiser, R.
Kruger, K.
Kruger, U.
Rohde, D.
Schmidt, F.
Stenzel, R.
Trommer, D.
Journal
IEEE transactions on microwave theory and techniques  
DOI
10.1109/22.664133
Language
English
Fraunhofer-Institut für Nachrichtentechnik, Heinrich-Hertz-Institut HHI  
Keyword(s)
  • data communication

  • laser mode locking

  • microwave links

  • millimetre wave generation

  • mobile radio

  • optical fibre communication

  • semiconductor lasers

  • optical microwave generation

  • optical microwave transmission

  • wireless communication

  • millimeter-wave radio signal

  • heterodyning

  • optical spectral line

  • mode-locked laser

  • semiconductor laser

  • optic/millimeter-wave converter

  • data transmission

  • single-channel system

  • multichannel system

  • bit-error-rate

  • monolithically integrated tunable optical-signal source

  • radio-over-fiber system

  • 70 mbit/s

  • 155 mbit/s

  • 140 mbit/s

  • 12 GHz

  • 58 to 70 GHz

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