Optical waveguides – Planar optical waveguide
Reexamination Certificate
2006-04-18
2006-04-18
Doan, Jennifer (Department: 2874)
Optical waveguides
Planar optical waveguide
C385S037000, C385S130000, C385S131000, C385S132000
Reexamination Certificate
active
07031584
ABSTRACT:
A method of manufacturing an optical waveguide using a laser direct writing method is disclosed. More particularly, a method for improving refractive index profile of the optical waveguide by overlapping two or more beams using Gaussian laser beam is provided. In addition, it can accomplish an improved waveguide characteristics such as an offset structure of an S-bend type optical waveguide and an asymmetrical curve optical waveguide by individually adjusting the overlapped laser beams.
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patent: 2003/0038251 (2003-02-01), Livesay et al.
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patent: WO 00/79320 (2000-12-01), None
T/74 Photonics Conference 2002; “Improved Bending Loss of Laser Written Optical Waveguide”, 2 pages.
IEEE Photonics Technology Letters, vol. 11, No. 12, Dec. 1999, “Improved Performance of Laser Written Channel Waveguides Using a TEM 01 Beam”, pp. 1617-1619.
Ahn Seung Ho
Jeong Myung Yung
Lee Woo Jin
Yoon Keun Byoung
Blakely & Sokoloff, Taylor & Zafman
Doan Jennifer
Electronics and Telecommunications Research Institute
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