论文信息 - Odd waveguide mode quasi-phase matching with angled and staggered gratings.

Odd waveguide mode quasi-phase matching with angled and staggered gratings.

Angled and staggered gratings are used for quasi-phase matching of antisymmetric TM(10) modes in periodically poled lithium niobate waveguides with high efficiency. Control of the symmetry of the nonlinear coefficient d adds a new degree of freedom in the choice of which waveguide modes will interact in a quasi-phase-matched device.

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