Method of aligning optical waveguide device

Details Method of aligning optical waveguide device Method of aligning optical waveguide device

1997-10-02

1999-10-19

Lee, John D.

Optical waveguides

With optical coupler

Particular coupling structure

385 50, 385 52, 385 31, G02B 624, G02B 630

Patent

active

059701927

ABSTRACT:
An outgoing light from a light source transmits a photo coupler, a single-fiber optical fiber array, an optical wave guide chip, a four-fiber optical fiber array and an optical fiber, and is reversed, and an outgoing light from another end of the photo coupler is received by a light receiving unit to roughly position the respective components. Thereafter, the four-fiber optical fiber array is positioned with respect to the optical wave guide chip in such a manner that the amount of light that reaches the light receiving unit becomes maximum. The adjustment of the optical axis is enabled with only a single light receiving unit without the use of plural expensive light receiving units, and the adjustment of the optical axis can be performed with ease in a short period of time.

REFERENCES:
patent: 5080458 (1992-01-01), Hockaday
patent: 5481632 (1996-01-01), Hirai et al.
patent: 5559915 (1996-09-01), Deveau
"High Reliability Optical Splitters Composed of Silica-Based Planar Lightwave Circuits", tokyo, No. 33 (1994), p71-p80, By Yoshinori Hibino, Fumiaki Hanawa, Hiroshi Nakagome, Motohaya Ishii and Norio Takato (no month).
"Technical Digest", 1995 Technical Digest Series vol. 7, By Deepak Sood, Mark Lowry, Shinn-yee Lu, Oliver T. Strand (no month).

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