Improved optical filter responses in cascaded InGaAsP/InP microdisk resonators

Y. Ma*, S. H. Chang, S. S. Chang, S. T. Ho

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

16 Scopus citations

Abstract

Cascaded InGaAsP/InP microdisk resonators as optical filters are fabricated by deep dry-etching. Compared with single microdisk resonators, these higher-order filters show steeper rolloffs and flatter passbands. The bandwidth ratios of 15 to 3dB for the single, three and five cascaded microdisk resonator filters are ∼2.4, 1.4 and 1.2.

Original languageEnglish (US)
Pages (from-to)564-565
Number of pages2
JournalElectronics Letters
Volume37
Issue number9
DOIs
StatePublished - Apr 26 2001

ASJC Scopus subject areas

  • Electrical and Electronic Engineering

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