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A two-step etching technique for silica terraces in the PLC hybrid integration

  • Young Tak Han*
  • , Sang Ho Park
  • , Jang Uk Shin
  • , Duk Jun Kim
  • , Yoon Jung Park
  • , Sung Woong Park
  • , Jongdeog Kim
  • , Hee Kyung Sung
  • *Corresponding author for this work
  • Electronics and Telecommunications Research Institute
  • Gwangju Institute of Science and Technology

Research output: Contribution to journalJournal articlepeer-review

Abstract

Two-step etching, after the full processes of a silica waveguide, was performed to fabricate a silica-terraced planar lightwave circuit platform for the hybrid integration of optoelectronic devices. Spot-size converted distributed feedback laser diodes (SSC DFB LDs) were flip-chip bonded on silica terraces with the height accuracy of less than 1 μm, and the resultant coupling loss between the SSC DFB LD and the silica waveguide was about 3.78 dB. The fight-current curve of the LD filp-chip bonded on the platform showed the almost linear increase of the output power without any saturation.

Original languageEnglish
Pages (from-to)2436-2438
Number of pages3
JournalIEEE Photonics Technology Letters
Volume16
Issue number11
DOIs
StatePublished - 2004.11

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