Optical device

Details Optical device Optical device

1998-03-02

2000-04-04

Ullah, Akm E.

Optical waveguides

With optical coupler

Input/output coupler

G02B 634

Patent

active

060470968

ABSTRACT:
The present invention relates to an optical device that includes at least one MMI-waveguide and at least one Bragg-grating structure. At least one so-called access waveguide is disposed on a first side of the MMI-waveguide and at least one access waveguide is disposed on a second side of the MMI-waveguide, wherein the first and second sides are the short sides of the MMI-waveguide. The access waveguide has a so-called taper structure and the Bragg-grating structure is arranged in the MMI-waveguide.

REFERENCES:
patent: 5093876 (1992-03-01), Henry et al.
patent: 5420948 (1995-05-01), Byron
patent: 5608571 (1997-03-01), Epworth et al.
patent: 5633965 (1997-05-01), Bricheno et al.
patent: 5638473 (1997-06-01), Byron
"Optical Multi-Mode Interference Devices Based on Self-Imaging: Principles and Applications", Lucas B. Soldano and Erik C.M. Pennings, Journal of Lightwave Technology, vol. 13, No. 4, Apr. 1995.
"Optical Bandwidth and Fabrication Tolerances of Multimode Interference Couplers", Pierre A. Besse, Maurus Bachmann, H. Melchior, L.B. Soldano and M.K. Smit, Journal of Lightwave Technology, vol. 12, No. 6, Jun. 1994.

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