Multi-wavelength transmitter employing a filtered-feedback laser

J. Zhao, K. Dijkstra, M.J. Wale, P. Maat, M.K. Smit, X.J.M. Leijtens

Research output: Chapter in Book/Report/Conference proceedingConference contributionAcademic


In this paper, we present a monolithically integrated filtered-feedback multi-wavelength transmitter. This transmitter is formed by four channels of filtered-feedback laser integrated with four Mach-Zehnder modulators (MZMs). The multi-wavelength laser simultaneously lases at wavelengths spaced at 200 GHz, where more than 40 dB side mode suppression ratio and less than dB optical crosstalk are measured. The transmitter chip is mounted on a specially designed sub-mount, and characterized with the modulators driven in an electrical push-pull manner. The transmitter system is evaluated in terms of optical link gain and crosstalk.
Original languageEnglish
Title of host publicationProceedings of the 17th Annual Symposium of the IEEE Photonics Benelux Chapter, 29-30 November 2012, Mons, Belgium
Place of PublicationPiscataway
PublisherInstitute of Electrical and Electronics Engineers
Publication statusPublished - 2012


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