Microwave photonic downconverter with high conversion efficiency

E.H.W. Chan, R.A. Minasian

Research output: Contribution to journalArticle

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.
Original languageEnglish
Pages (from-to)3580-3585
Number of pages6
JournalJournal of Lightwave Technology
Volume30
Issue number23
DOIs
Publication statusPublished - 1 Dec 2012
Externally publishedYes

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