Pearl-chain waveguides written at megahertz repetition rate

R. Graf, A. Fernandez, Mykhaylo Dubov, H.J. Brueckner, B.N. Chichkov, A. Apolonski

Research output: Contribution to journalArticle

Abstract

Waveguides in the form of connected pearls, written with sub-30 fs pulses centered at 800 nm at a repetition rate of 10 MHz, show high changes of the refractive index and, as a consequence, simple in-coupling. The value of the refractive index modification of these waveguides is as high as 10-2, optical losses are 6 dB/cm (at 1.55 µm) and the mode field diameter is 8 µm at 670 nm.
Original languageEnglish
Pages (from-to)21-27
Number of pages7
JournalApplied Physics B
Volume87
Issue number1
DOIs
Publication statusPublished - 1 Mar 2007

Keywords

  • waveguides
  • connected pearls
  • refractive index
  • in-coupling
  • refractive index modification

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