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Optics Letters

Optics Letters

| RAPID, SHORT PUBLICATIONS ON THE LATEST IN OPTICAL DISCOVERIES

  • Editor: Alan E. Willner
  • Vol. 37, Iss. 12 — Jun. 15, 2012
  • pp: 2289–2291

Femtosecond laser fabrication of phase-shifted Bragg grating waveguides in fused silica

Jason R. Grenier, Luís A. Fernandes, J. Stewart Aitchison, Paulo V. S. Marques, and Peter R. Herman  »View Author Affiliations


Optics Letters, Vol. 37, Issue 12, pp. 2289-2291 (2012)
http://dx.doi.org/10.1364/OL.37.002289


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Abstract

Phase-shifted Bragg grating waveguides (PSBGWs) were formed in bulk fused silica glass by femtosecond laser direct writing to produce narrowband (22±3)pm filters at 1550 nm. Tunable π and other phase shifts generated narrow passbands in controlled positions of the Bragg stopband, while the accurate placement of multiple cascaded phase-shift regions yielded a rectangular-shaped bandpass filter. A waveguide birefringence of (7.5±0.3)×105 is inferred from the polarization-induced spectral shifting of the PSBGW narrowband filters.

© 2012 Optical Society of America

OCIS Codes
(050.5080) Diffraction and gratings : Phase shift
(140.3390) Lasers and laser optics : Laser materials processing
(230.1480) Optical devices : Bragg reflectors
(230.3120) Optical devices : Integrated optics devices
(230.7370) Optical devices : Waveguides

ToC Category:
Optical Devices

History
Original Manuscript: March 22, 2012
Manuscript Accepted: April 19, 2012
Published: June 7, 2012

Citation
Jason R. Grenier, Luís A. Fernandes, J. Stewart Aitchison, Paulo V. S. Marques, and Peter R. Herman, "Femtosecond laser fabrication of phase-shifted Bragg grating waveguides in fused silica," Opt. Lett. 37, 2289-2291 (2012)
http://www.opticsinfobase.org/ol/abstract.cfm?URI=ol-37-12-2289

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