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Er3+-Yb3+ codoped phosphate glass waveguide amplifier using Ag+-Li+ ion exchange

  • S. F. Wong*
  • , E. Y.B. Pun
  • , P. S. Chung
  • *Corresponding author for this work
  • City University of Hong Kong
  • IEEE

Research output: Contribution to journalArticlepeer-review

Abstract

An Er3+-Yb3+ codoped phosphate glass waveguide amplifier using Ag+-Li+ ion exchange process is demonstrated. The glass contains Li+ instead of Na+ and the spectroscopic properties were characterized. The emission parameters were calculated, and the radiative quantum efficiency of the 4I13/2 to 4I15/2 transition is estimated to be ∼100%. The planar glass waveguide amplifier produces a net gain ∼3.3 dB/cm with an input signal wavelength of 1.535 μm at a power of -40 dBm, for 120 mW of 980-nm pump power.

Original languageEnglish
Pages (from-to)80-82
Number of pages3
JournalIEEE Photonics Technology Letters
Volume14
Issue number1
DOIs
StatePublished - Jan 2002
Externally publishedYes

Keywords

  • Integrated optics
  • Ion exchange
  • Optical amplifier
  • Optical waveguide

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