Investigation of ultrafast laser-photonic material interactions: Challenges for directly written glass photonics

Martin Ams, Graham D. Marshall, Peter Dekker, Mykhaylo Dubov, Vladimir Mezentsev, Ian Bennion, Michael J. Withford

Research output: Contribution to journalArticlepeer-review


Currently, direct-write waveguide fabrication is probably the most widely studied application of femtosecond laser micromachining in transparent dielectrics. Devices such as buried waveguides, power splitters, couplers, gratings, and optical amplifiers have all been demonstrated. Waveguide properties depend critically on the sample material properties and writing laser characteristics. In this paper, we discuss the challenges facing researchers using the femtosecond laser direct-write technique with specific emphasis being placed on the suitability of fused silica and phosphate glass as device hosts for different applications.
Original languageEnglish
Article number4579123
Pages (from-to)1370 - 1388
Number of pages19
JournalIEEE Journal of Selected Topics in Quantum Electronics
Issue number5
Publication statusPublished - 25 Jul 2008

Bibliographical note

©2008 IEEE. Personal use of this material is permitted. However, permission to reprint/republish this material for advertising or promotional purposes or for creating new collective works for resale or redistribution to servers or lists, or to reuse any copyrighted component of this work in other works must be obtained from the IEEE.


  • glass
  • lasers
  • light amplifiers
  • optical waveguides
  • optoelectronic devices pulsed laser applications
  • silica
  • ultrashort pulses
  • waveguides
  • laser machining
  • laser materials processing applications
  • optical glass
  • ultrafast optics


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