Method for coupling or connecting an integrated optical...

Details Method for coupling or connecting an integrated optical... Method for coupling or connecting an integrated optical...

G - Physics

02

B

26/89, 88/97.5

G02B 6/30 (2006.01)

Patent

CA 1189368

ABSTRACT OF DISCLOSURE This invention concerns a method for coupling or connecting an integrated optical wave-guide to a monomodal optical fibre. In this method, the end portion of the fibre is treated, in order to alter the distribution parameter Wo of the electric field on the end surface of the fibre, the fundamental distribution mode being assumed to be Gaussian. The new parameter Image is approximately equal to ?WxWy, where Wx and Wy are parameters for the mode in the integrated wave-guide, also assumed to be Gaussian, with two dimensions. The treatment consists stretching of drawing the fibre or simply heating it to change its refractive index gradient. The invention can be applied to optical telecommunications.

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