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Optics Letters

Optics Letters

| RAPID, SHORT PUBLICATIONS ON THE LATEST IN OPTICAL DISCOVERIES

  • Editor: Xi-Cheng Zhang
  • Vol. 39, Iss. 4 — Feb. 15, 2014
  • pp: 1085–1088

Comb transmission filters defined by phase-shifted superstructure Bragg gratings

Stephen O’Brien  »View Author Affiliations


Optics Letters, Vol. 39, Issue 4, pp. 1085-1088 (2014)
http://dx.doi.org/10.1364/OL.39.001085


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Abstract

We present a design method and numerical results describing the construction of distributed feedback grating filters that support discrete combs of transmission resonances. These filter designs define open superstructure grating resonators with transmission channels that can be placed at predetermined frequencies, such as those defined by the wavelength division multiplexing grid or by a secondary frequency comb source. Focusing on a specific example with 40 GHz channel spacing, we optimize an active structure that defines three low-threshold lasing modes. How our design approach relates to filter synthesis techniques based on cascaded grating resonators is also discussed.

© 2014 Optical Society of America

OCIS Codes
(130.3120) Integrated optics : Integrated optics devices
(140.3490) Lasers and laser optics : Lasers, distributed-feedback
(130.7408) Integrated optics : Wavelength filtering devices

ToC Category:
Integrated Optics

History
Original Manuscript: October 24, 2013
Revised Manuscript: December 17, 2013
Manuscript Accepted: December 28, 2013
Published: February 14, 2014

Citation
Stephen O’Brien, "Comb transmission filters defined by phase-shifted superstructure Bragg gratings," Opt. Lett. 39, 1085-1088 (2014)
http://www.opticsinfobase.org/ol/abstract.cfm?URI=ol-39-4-1085

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