Wavelength insensitive integrated optic polarization splitter

Details Wavelength insensitive integrated optic polarization splitter Wavelength insensitive integrated optic polarization splitter

G - Physics

02

B

G02B 6/10 (2006.01) G02B 6/12 (2006.01) G02B 6/126 (2006.01) G02B 6/28 (2006.01) G02B 27/28 (2006.01)

Patent

CA 2503817

An integrated optic polarization splitter (2), includes a pair of waveguide elements with a first waveguide element (10) having a horizontal orientation and a second waveguide element (12) having a vertical orientation formed from a plurality of waveguide core layers. The first and second waveguide elements are intersected or nearly intersected at one end of the structure and separated at the other end of the structure and the transition there between is made to be adiabatic. The waveguide elements receive an optical signal having both a TE component and a TM component. The TE component propagates along the horizontally oriented waveguide element (10) and the TM component propagates along the vertically oriented waveguide element (12).

L'invention concerne un séparateur de polarisation optique intégré comprenant une paire d'éléments de guide d'onde incluant un premier élément de guide d'onde à orientation horizontale et un second élément de guide d'onde à orientation verticale renfermant une pluralité de couches centrales de guide d'onde. Lesdits premier et second éléments de guide d'onde sont entrecroisés ou presque entrecroisés au niveau d'une extrémité de la structure, et séparés au niveau de l'autre extrémité de la structure, la transition entre ces deux éléments étant adiabatique. Les éléments de guide d'onde reçoivent un signal optique présentant une composante TE et une composante TM. La composante TE se propage le long de l'élément de guide d'onde à orientation horizontale et la composante TM se propage le long de l'élément de guide d'onde à orientation verticale.

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