4.6 Article

Femtosecond laser inscription of Bragg grating waveguides in bulk diamond

Journal

OPTICS LETTERS
Volume 42, Issue 17, Pages 3451-3453

Publisher

OPTICAL SOC AMER
DOI: 10.1364/OL.42.003451

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Funding

  1. Ministero dell'Istruzione, dell'Universita e della Ricerca (MIUR) (DIAMANTE MIUR-SIR)
  2. Leverhulme Trust [RPG-2013-044]
  3. Engineering and Physical Sciences Research Council (EPSRC) [EP/K034480/1]
  4. Engineering and Physical Sciences Research Council [EP/K034480/1] Funding Source: researchfish
  5. EPSRC [EP/K034480/1] Funding Source: UKRI

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Femtosecond laser writing is applied to form Bragg grating waveguides in the diamond bulk. Type II waveguides are integrated with a single pulse point-by-point periodic laser modification positioned toward the edge of the waveguide core. These photonic devices, operating in the telecommunications band, allow for simultaneous optical waveguiding and narrowband reflection from a fourth-order grating. This fabrication technology opens the way toward advanced 3D photonic networks in diamond for a range of applications. (C) 2017 Optical Society of America

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