Optical waveguides – With optical coupler – Particular coupling structure
Patent
1994-10-13
1996-08-13
Bovernick, Rodney B.
Optical waveguides
With optical coupler
Particular coupling structure
385 9, G02B 626, G02B 642
Patent
active
055464882
ABSTRACT:
A cladding layer covers a part of a substrate and two core layers are formed in the cladding layer. The two core layers merge with each other and a head of a common part of the two core layers appears on a side wall of the cladding layer. A guide portion is located near the side wall. A reflective body having an end face coated with a reflective film is positioned by the guide portion so that the head of a common part of the two core layers adheres to the reflective film.
REFERENCES:
patent: 4111521 (1978-09-01), Streifer et al.
patent: 4492425 (1985-01-01), Kersten et al.
patent: 4732449 (1988-03-01), Fan
Himeno et al; "Loss Measurement . . . "; J. of Lightwave Tech.; vol. 6, No. 1; Jan. 1988; pp. 41-46.
Valetti, S., "State of the art of integrated optics technology at LETI for achieving passive optical components", Journal of Modern Optics, 1988, vol. 35, No. 6, pp. 993-1005 no month.
A. Himeno et al., "Loss Measurement and Analysis of High-Silica Refelection Bending Optical Waveguides", Journal of Lightwave Technology, Jan. 1988, vol. 6, No. 1, pp. 41-46.
Kitamura Naoki
Nishimoto Hiroshi
Bovernick Rodney B.
NEC Corporation
Wise Robert E.
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