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Optics Express

Optics Express

  • Editor: Michael Duncan
  • Vol. 13, Iss. 11 — May. 30, 2005
  • pp: 4224–4229

Fabrication of photonic devices directly written within glass using a femtosecond laser

Ik-Bu Sohn, Man-Seop Lee, Jeong-Sik Woo, Sang-Man Lee, and Jeong-Yong Chung  »View Author Affiliations

Optics Express, Vol. 13, Issue 11, pp. 4224-4229 (2005)

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We present a novel method for three-dimensional optical splitter that have U-grooves, which are used for fiber alignment, within a fused silica glass using near-IR femtosecond laser pulses. The fiber aligned optical splitter has a low insertion loss, less than 4 dB, including an intrinsic splitting loss of 3 dB and excess loss due to the passive alignment of a single-mode fiber. The output field pattern is presented, demonstrating the splitting ratio of the optical splitter is approximately 1:1. Finally, we demonstrate the utility of the femtosecond laser writing of periodic patterns by fabricating the submicron line and dot patterns inside the silica glass, which is applicable to 3-D optical memory.

© 2005 Optical Society of America

OCIS Codes
(140.3390) Lasers and laser optics : Laser materials processing
(230.7370) Optical devices : Waveguides

ToC Category:
Research Papers

Original Manuscript: May 3, 2005
Revised Manuscript: May 17, 2005
Published: May 30, 2005

Ik-Bu Sohn, Man-Seop Lee, Jeong-Sik Woo, Sang-Man Lee, and Jeong-Yong Chung, "Fabrication of photonic devices directly written within glass using a femtosecond laser," Opt. Express 13, 4224-4229 (2005)

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