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Journal of Lightwave Technology

Journal of Lightwave Technology

| A JOINT IEEE/OSA PUBLICATION

  • Vol. 30, Iss. 23 — Dec. 1, 2012
  • pp: 3580–3585

Microwave Photonic Downconverter With High Conversion Efficiency

Erwin H. W. Chan and Robert A. Minasian

Journal of Lightwave Technology, Vol. 30, Issue 23, pp. 3580-3585 (2012)


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Abstract

A high conversion efficiency microwave photonic frequency downconverter based on an integrated dual-parallel Mach Zehnder modulator (DPMZM) and optical phase shifter configuration, is presented. This structure features the advantages of high conversion efficiency, robust operation, and ability to function over a very wide frequency range. The introduction of a novel phase shifter that is incorporated within the structure enables a high rejection of over 45 dB of the local oscillator (LO) to be achieved. The integrated DPMZM based photonic mixer also has a lower noise figure and a higher spurious free dynamic range compared to the conventional dual-series modulator based photonic mixer. Experimental results demonstrate a significant improvement of 23.7 dB in the conversion efficiency compared to the conventional dual-series modulator based photonic mixer for the same optical power into the photodetector.

© 2012 IEEE

Citation
Erwin H. W. Chan and Robert A. Minasian, "Microwave Photonic Downconverter With High Conversion Efficiency," J. Lightwave Technol. 30, 3580-3585 (2012)
http://www.opticsinfobase.org/jlt/abstract.cfm?URI=jlt-30-23-3580


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