G - Physics – 02 – B
Patent
G - Physics
02
B
G02B 6/26 (2006.01) G02B 6/255 (2006.01) G02B 6/18 (1990.01)
Patent
CA 2096182
There is disclosed an optical waveguide comprising a core portion made of a light propagating material and a cladding portion, a first dopant and a second dopant being induced into said core portion, the first dopant having a function of increasing a refractive index of the light propagating material and having a first thermal diffusion coefficient to said light propagating material, the second dopant having a function of decreasing the refractive index of said light propagating material and having a second thermal diffusion coefficient to the light propagating material larger than the first thermal diffusion coefficient under a predetermined temperature.
Kanamori Hiroo
Nakazato Koji
Nishimura Masayuki
Tomita Shigeru
Marks & Clerk
Nippon Telegraph And Telephone Corporation
Sumitomo Electric Industries Ltd.
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