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Optics Letters

Optics Letters


  • Editor: Alan E. Willner
  • Vol. 37, Iss. 4 — Feb. 15, 2012
  • pp: 665–667

On-chip optical filters with designable characteristics based on an interferometer with embedded silicon photonic structures

Serdar Kocaman, Mehmet S. Aras, Nicolae C. Panoiu, Ming Lu, and Chee Wei Wong  »View Author Affiliations

Optics Letters, Vol. 37, Issue 4, pp. 665-667 (2012)

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We demonstrate chip-scale flat-top filters at near-IR wavelengths using negative index photonic crystal based Mach–Zehnder interferometers. Supported by full three-dimensional numerical simulations, we experimentally demonstrate a new approach for engineering high-pass, low-pass, bandpass, and band-reject filters, based on designing the photonic band diagram both within the bandgap frequency region and away from it. We further show that our approach can be used to design filters that have tunable multilevel response for different sections of the spectrum and for different polarizations. This configuration enables deterministic control of the bandwidth and the rejection ratio of filters for integrated photonic circuits.

© 2012 Optical Society of America

OCIS Codes
(250.5300) Optoelectronics : Photonic integrated circuits
(350.2460) Other areas of optics : Filters, interference
(160.5298) Materials : Photonic crystals
(230.7408) Optical devices : Wavelength filtering devices

ToC Category:

Original Manuscript: November 9, 2011
Revised Manuscript: December 29, 2011
Manuscript Accepted: December 29, 2011
Published: February 13, 2012

Serdar Kocaman, Mehmet S. Aras, Nicolae C. Panoiu, Ming Lu, and Chee Wei Wong, "On-chip optical filters with designable characteristics based on an interferometer with embedded silicon photonic structures," Opt. Lett. 37, 665-667 (2012)

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