Spectral properties of active racetrack semiconductor structures with intracavity reflections

Dimitris Alexandropoulos*, Jacob Scheuer, Nikos A. Vainos

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

7 Scopus citations

Abstract

The effects of intracavity reflections in active racetrack semiconductor resonator structures are studied. The incorporation of active material facilitates probing into effects stemming from even minute reflections, such as mode mismatching, which are almost undetectable in passive structures. The spectral response of these structures are studied by the transfer matrix method that models the racetrack resonator as a multicavity structure formed by the various optical paths induced by intracavity reflections. The signature of the structural and operational parameters on the spectral response enables the identification of the conditions for the appearance of interesting spectral properties such as mode splitting and Fano resonances.

Original languageEnglish
Article number5164924
Pages (from-to)1420-1426
Number of pages7
JournalIEEE Journal of Selected Topics in Quantum Electronics
Volume15
Issue number5
DOIs
StatePublished - Sep 2009

Funding

FundersFunder number
Israeli Science Foundation
European Cooperation in Science and Technology
Ministerio de Ciencia y Tecnología

    Keywords

    • Fano resonance
    • Microrings (MRs)
    • Photonic integrated circuits
    • Racetracks

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