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Optics Express

Optics Express

  • Editor: Michael Duncan
  • Vol. 12, Iss. 5 — Mar. 8, 2004
  • pp: 747–752

Monomode optical waveguide excited at 1540 nm in LiNbO3 formed by MeV carbon ion implantation at low doses

Shi-Ling Li, Ke-Ming Wang, Feng Chen, Xue-Lin Wang, Gang Fu, Ding-Yu Shen, Hong-Ji Ma, and Rui Nie  »View Author Affiliations

Optics Express, Vol. 12, Issue 5, pp. 747-752 (2004)

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The monomode enhanced-index LiNbO3 waveguide excited at 1540 nm is reported. X-cut LiNbO3 crystals were implanted at room temperature by 6.0 MeV C3+ ions with a dose of 2.0×1015 ions/cm2. Low loss planar optical waveguides were obtained and characterized by the prism coupling technique. Four dark modes were observed for extraordinary light at 633 nm, while only one enhanced-index mode was observed at 1540 nm. The propagation loss of the waveguide is 1.01 dB/cm measured with the moving fiber method. Reflectivity calculation method (RCM) was applied to simulate the refractive index profiles in waveguide. The width of waveguide structure induced by carbon ion implantation is ~3.6 µm.

© 2004 Optical Society of America

OCIS Codes
(130.3730) Integrated optics : Lithium niobate
(230.7390) Optical devices : Waveguides, planar

ToC Category:
Research Papers

Original Manuscript: January 6, 2004
Revised Manuscript: February 17, 2004
Published: March 8, 2004

Shi-Ling Li, Ke-Ming Wang, Feng Chen, Xu-Lin Wang, Gang Fu, Ding-Yu Shen, Hong-Ji Ma, and Rui Nie, "Monomode optical waveguide excited at 1540 nm in LiNbO3 formed by MeV carbon ion implantation at low doses," Opt. Express 12, 747-752 (2004)

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