Broadening of arrayed waveguide grating passband response

Details Broadening of arrayed waveguide grating passband response Broadening of arrayed waveguide grating passband response

H - Electricity

04

B

H04B 10/20 (2006.01) A61L 9/12 (2006.01) H04J 14/02 (2006.01) H04Q 3/52 (2006.01)

Patent

CA 2339777

The essential feature is the step of generating a controllable 'dynamic' intensity field profile with a controllable beating pattern in a multimode superposition of different modes, as e.g., a fundamental mode and a higher order mode as e,g., the TE0 mode and TE1 mode of an input wavelength entering the input site of an AWG apparatus, whereby said beating pattern is controlled in a fixed, or in variable, predetermined way, as e.g., with a fixed or a wavelength dependent power ratio and beating pattern, for improving the mode overlap in a receiver waveguide associated with an output site of said apparatus. With variable conditions, a lower number of converter units is required. In a 8:1 multiplexer, for example, there is needed just one converter unit at its output. A 1:8 demultiplexer can be obtained by solely reversing the AWG apparatus. (fig. 9)

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