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Optics Express

Optics Express

  • Editor: Michael Duncan
  • Vol. 12, Iss. 7 — Apr. 5, 2004
  • pp: 1437–1442

Microring-resonator-based add-drop filters in SiN: fabrication and analysis

Tymon Barwicz, Miloš A. Popovic, Peter T. Rakich, Michael R. Watts, Hermann A. Haus, Erich P. Ippen, and Henry I. Smith  »View Author Affiliations

Optics Express, Vol. 12, Issue 7, pp. 1437-1442 (2004)

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Third-order add-drop filters based on series-coupled microring resonators were fabricated in silicon-rich silicon nitride with accurate dimensional control and negligible sidewall roughness. For the first time, a low 3 dB drop loss is demonstrated with a wide 24 nm free-spectral-range in a high-order microring filter without using the Vernier effect. The spectral response is matched by rigorous numerical simulation, and non-idealities in the drop- and through-port responses are shown to be of design origin and to be correctable.

© 2004 Optical Society of America

OCIS Codes
(060.4230) Fiber optics and optical communications : Multiplexing
(130.0130) Integrated optics : Integrated optics
(230.4000) Optical devices : Microstructure fabrication
(230.5750) Optical devices : Resonators

ToC Category:
Research Papers

Original Manuscript: March 9, 2004
Revised Manuscript: March 26, 2004
Published: April 5, 2004

Tymon Barwicz, Miloš Popovi�?, Peter Rakich, Michael Watts, Hermann Haus, Erich Ippen, and Henry Smith, "Microring-resonator-based add-drop filters in SiN: fabrication and analysis," Opt. Express 12, 1437-1442 (2004)

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