Signal enhancement in Er3+ doped telluride glass microsphere

Xiang Peng, Feng Song, Shibin Jiang, Makoto Gonokami, Nasser Peyghambarian

Research output: Contribution to journalConference articlepeer-review

1 Scopus citations


Microstructure resonators have attracted considerable attention because of their versatility for signal processing applications. We use our Er3+ doped telluride glass to fabricate Er3+ glass microsphere. The excitation of whispering-gallery modes is realized by coupling from an angle-polished single-mode optical fiber tip to an optical microsphere cavity. In the experimental setup, one fiber was used as an input coupler and the other fiber was used as an output coupler. 975nm fiber pigtailed laser diode was used to side pump the microspheres. Very nice whispering-gallery modes (WGM's) near 1.5μm were observed successfully. Signal enhancement was observed in this Er3+ doped telluride glass microsphere with a radius around 50μm. The best enhancement of this Er3+ doped telluride glass microsphere reaches 12dB.

Original languageEnglish (US)
Pages (from-to)148-155
Number of pages8
JournalProceedings of SPIE - The International Society for Optical Engineering
StatePublished - 2002
EventRare-Earth-Doped Materials and Devices VI - San Jose, CA, United States
Duration: Jan 23 2002Jan 24 2002


  • Er3+ doped glass
  • Microcavity resonator
  • Microsphere
  • Signal enhancement
  • Whispering-gallery mode

ASJC Scopus subject areas

  • Electronic, Optical and Magnetic Materials
  • Condensed Matter Physics
  • Computer Science Applications
  • Applied Mathematics
  • Electrical and Electronic Engineering


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