Optical element using one-dimensional photonic crystal and...

Details Optical element using one-dimensional photonic crystal and... Optical element using one-dimensional photonic crystal and...

G - Physics

02

F

G02F 1/01 (2006.01) G02B 6/122 (2006.01) H04J 14/02 (2006.01)

Patent

CA 2423763

A phase modulation unit is provided in an end surface of one-dimensional photonic crystal to phase-modulate input light in the same period and direction as those of the photonic crystal and propagate only specific high-order band light in the photonic crystal to thereby increase the intensity of output light emerging from a surface of the one-dimensional photonic crystal used as a spectroscopic device, that is, to thereby improve efficiency in use of the input light. In addition, by the function of a structure added to the photonic crystal, the output light is distributed into one or both of opposite sides of the photonic crystal and the intensity of the output light is adjusted.

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