Integrated multimode interference coupler-based Mach-Zehnder interferometric modulator fabricated on a silicon-on-insulator substrate

Wen-Kuei Chuang, M. T. Hsu, Y. C. Chang, Y. J. Lee, S. H. Chou

Research output: Contribution to journalArticle

7 Citations (Scopus)

Abstract

The authors propose the design of a 6000×40-μm Mach-Zehnder interferometric (MZI) electro-optic modulator fabricated on silicon-on-insulator (SOI) substrate based on a back-to-back cascade of two 1×2 multimode interference (MMI) couplers for the operating wavelength of 1.55 μm. A signal modulation is achieved with the incorporation of a phase shifter in one of the two arms that connect two MMI devices together and the resultant extinction ratio achieved is in the excess of -25 dB. Furthermore, the frequency response measurement also shows that the 3-dB frequency measured for our MMI-MZI device is greater than 6 MHz.

Original languageEnglish
Pages (from-to)147-152
Number of pages6
JournalIET Optoelectronics
Volume6
Issue number3
DOIs
Publication statusPublished - 2012 Jun 1

Fingerprint

Modulators
couplers
Mach number
modulators
insulators
interference
Silicon
Phase shifters
silicon
Substrates
Electrooptical effects
Frequency response
Modulation
Wavelength
frequency response
electro-optics
cascades
extinction
modulation
wavelengths

All Science Journal Classification (ASJC) codes

  • Atomic and Molecular Physics, and Optics
  • Electrical and Electronic Engineering

Cite this

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Integrated multimode interference coupler-based Mach-Zehnder interferometric modulator fabricated on a silicon-on-insulator substrate. / Chuang, Wen-Kuei; Hsu, M. T.; Chang, Y. C.; Lee, Y. J.; Chou, S. H.

In: IET Optoelectronics, Vol. 6, No. 3, 01.06.2012, p. 147-152.

Research output: Contribution to journalArticle

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