Mode-field converters and long-period gratings fabricated by thermo-diffusion in nitrogen-doped silica-core fibers
VI Karpov, MV Grekov, EM Dianov… - OFC'98. Optical …, 1998 - ieeexplore.ieee.org
OFC'98. Optical Fiber Communication Conference and Exhibit …, 1998•ieeexplore.ieee.org
Summary form only given. Novel nitrogen-doped silica-core pure-silica-cladding fibers
provide exceptional possibilities to achieve abrupt variations of the refractive-index profile by
thermo-diffusion of nitrogen. A high diffusion coefficient of nitrogen in silica makes it possible
to create deep changes in refractive index by means of short-time heat action on a fiber
section with a length comparable to the fiber diameter. Thus, N-doped silica fibers are most
appropriate for various fiber-optic devices produced by thermo-diffusion.
provide exceptional possibilities to achieve abrupt variations of the refractive-index profile by
thermo-diffusion of nitrogen. A high diffusion coefficient of nitrogen in silica makes it possible
to create deep changes in refractive index by means of short-time heat action on a fiber
section with a length comparable to the fiber diameter. Thus, N-doped silica fibers are most
appropriate for various fiber-optic devices produced by thermo-diffusion.
Summary form only given. Novel nitrogen-doped silica-core pure-silica-cladding fibers provide exceptional possibilities to achieve abrupt variations of the refractive-index profile by thermo-diffusion of nitrogen. A high diffusion coefficient of nitrogen in silica makes it possible to create deep changes in refractive index by means of short-time heat action on a fiber section with a length comparable to the fiber diameter. Thus, N-doped silica fibers are most appropriate for various fiber-optic devices produced by thermo-diffusion.
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