Low-loss channel waveguides with two-dimensional photonic crystal boundaries

C. J.M. Smith*, H. Benisty, S. Olivier, M. Rattier, C. Weisbuch, T. F. Krauss, R. M. De La Rue, R. Houdré, U. Oesterle

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

186 Citations (Scopus)

Abstract

We have used transmission measurements to estimate the propagation loss of submicron channels denned in two-dimensional photonic crystals patterned into a Ga(Al)As waveguide. The measured propagation loss of the fundamental mode is indistinguishable from the material absorption, setting an upper limit of 50 cm-1 (2 dB per 100 μm). We also find that, provided the etching is deep enough, propagation losses of these photonic crystal waveguides are lower than those of ridge waveguides etched in the same run.

Original languageEnglish
Pages (from-to)2813-2815
Number of pages3
JournalApplied Physics Letters
Volume77
Issue number18
DOIs
Publication statusPublished - 30 Oct 2000
Externally publishedYes

ASJC Scopus subject areas

  • Physics and Astronomy (miscellaneous)

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