Optical waveguides – With optical coupler – Particular coupling structure
Patent
1997-01-23
1998-10-06
Ngo, John
Optical waveguides
With optical coupler
Particular coupling structure
385 46, 385147, 385 43, G02B 626
Patent
active
058189912
ABSTRACT:
An optical coupling arrangement consist of a pair of strip-type optical waveguide end segments extending alongside one another and having ends arranged at a small distance from each other so that crosstalk can occur. In order to suppress the crosstalk at a point spaced from the ends of each of the end segments, the segments are arranged so that the distance from one another increases from the distance at the end as the distance from the end along said segments increases.
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Kim et al "Compact, broadband, polarisation-insensitive 3dB optical power splitter on InP", Electronics Letters, vol. 30, No. 12, Jun. 9, 1994, pp. 953-954.
Zirngibl et al, "Efficient 1.times.16 Optical Power Splitter Based on InP", Electronics Letters, vol. 28, No. 13, Jun. 18, 1992, pp. 1212-1213.
Hatami-Hanza et al, "A New Low-Loss Wide-Angle Y-Branch Configuration for Optical Dielectric Slab Waveguides", IEEE Photonics Technology Letters, vol. 6, No. 4, Apr. 1994, pp. 528-530.
Heise Gerhard
Maerz Reinhard
Ngo John
Siemens Aktiengesellschaft
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