Electrooptic polymer modulator with single-mode to multimode waveguide transitions

Christopher T. DeRose, David Mathine, Yasufumi Enami, Robert A. Norwood, Jingdong Luo, Alex K.Y. Jen, Nasser Peyghambarian

Research output: Contribution to journalArticle

18 Scopus citations

Abstract

Grayscale lithography has been used to create refractive index (RI) tapers in an electrooptic (EO) polymer modulator. These RI tapers are used to convert a passive single-mode photobleached polymer waveguide to the fundamental mode of an unbleached, active multimode polymer waveguide. The benefits of this modulator design include a coupling loss reduction of 2.6 dB per interface and an increased confinement factor of 0.83. Using this design, an EO polymer modulator was fabricated with a halfwave voltage of 1.9 V, modulation extinction ratio of 15 dB, and a fiber to lens insertion loss of 11.6 dB.

Original languageEnglish (US)
Pages (from-to)1051-1053
Number of pages3
JournalIEEE Photonics Technology Letters
Volume20
Issue number12
DOIs
StatePublished - Jun 15 2008

Keywords

  • Electrooptic (EO) polymer
  • Grayscale lithography
  • Modulator
  • Sol-gel

ASJC Scopus subject areas

  • Electronic, Optical and Magnetic Materials
  • Atomic and Molecular Physics, and Optics
  • Electrical and Electronic Engineering

Fingerprint Dive into the research topics of 'Electrooptic polymer modulator with single-mode to multimode waveguide transitions'. Together they form a unique fingerprint.

  • Cite this