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Journal of Lightwave Technology

Journal of Lightwave Technology

| A JOINT IEEE/OSA PUBLICATION

  • Vol. 30, Iss. 17 — Sep. 1, 2012
  • pp: 2922–2928

Mono-Order High-Efficiency Dielectric Concave Diffraction Grating

Pierre Pottier and Muthukumaran Packirisamy

Journal of Lightwave Technology, Vol. 30, Issue 17, pp. 2922-2928 (2012)


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Abstract

A planar concave diffraction grating for integrated optics is created by using a grating-distributed Bragg reflector based on dielectric materials. By combining the Bragg condition which leads to very high reflection with the grating diffraction condition which provides wavelength spreading, a mono-order diffraction grating was built with the use of elliptical facets. A computed grating efficiency of 99% was achieved by this new proposed configuration of mono-order grating by suppressing unwanted diffraction orders, while keeping aberration-free focusing.

© 2012 IEEE

Citation
Pierre Pottier and Muthukumaran Packirisamy, "Mono-Order High-Efficiency Dielectric Concave Diffraction Grating," J. Lightwave Technol. 30, 2922-2928 (2012)
http://www.opticsinfobase.org/jlt/abstract.cfm?URI=jlt-30-17-2922

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