An optical frequency discriminator for subcarrier multiplexed systems with improved linearity

Lew Yew Kwee, Chao Lu

Research output: Journal article publicationJournal articleAcademic researchpeer-review

3 Citations (Scopus)


We examine a new scheme for improving the linearity of an optical frequency discriminator for frequency modulated (FM) subcarrier multiplexed (SCM) direct detection systems. The scheme uses two integrated Mach-Zehnder interferometers operating in parallel together with a balanced optical receiver. The optimum parameters for achieving an improved linearity have been obtained. The approach was found to be able to achieve a high linearity. This will help to reduce the intermodulation distortion of an optical frequency modulated SCM direct detection system.
Original languageEnglish
Pages (from-to)113-115
Number of pages3
JournalInternational Journal of Optoelectronics
Issue number3
Publication statusPublished - 1 Jul 1998
Externally publishedYes

ASJC Scopus subject areas

  • Electronic, Optical and Magnetic Materials

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