Single mode optical waveguide having large effective area

Details Single mode optical waveguide having large effective area Single mode optical waveguide having large effective area

1996-12-20

1998-07-14

Palmer, Phan T. H.

Optical waveguides

Optical fiber waveguide with cladding

With graded index core or cladding

385126, 385127, G02B 618

Patent

active

057816840

ABSTRACT:
A single mode optical waveguide having large effective area is disclosed. The large effective area is achieved by using a segmented core profile design which includes at least one segment, or a part of one segment, having a refractive index less than the minimum refractive index of the clad layer. The large effective area serves to reduce or eliminate detrimental non-linear optical waveguide effects which limit regenerator spacing and bit rate. The large effective area is achieved while maintaining bend resistance at least as good as that of standard step index single mode waveguide fiber.

REFERENCES:
patent: 5649044 (1997-07-01), Bhagavatula
patent: 5659649 (1997-08-01), Nouchi et al.
patent: 5684909 (1997-11-01), Lui

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