1×2 Multimode interference couplers based on semiconductor hollow waveguides formed from omnidirectional reflectors

Shih Shou Lo, Chii Chang Chen

Research output: Contribution to journalArticlepeer-review

8 Scopus citations

Abstract

A 1×2 hollow multimode interference (MMI) coupler based on semiconductor hollow waveguides formed from omnidirectional reflectors (SHOW-ODR) is demonstrated. The device has a shorter coupling length than a conventional silicon-on-insulator MMI coupler. A 2 dB uniformity was achieved at operating wavelengths between 1520 and 1562 nm. The device exhibited a weak polarization dependence in the TE and TM modes.

Original languageEnglish
Pages (from-to)1803-1805
Number of pages3
JournalOptics Letters
Volume32
Issue number13
DOIs
StatePublished - 1 Jul 2007

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