Ultrasmall demultiplexer by use of one-dimensional photonic crystal |
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Authors: | Oya Kazuaki Nakazawa Tatsuhiro Kittaka Shigeo Tsunetomo Keiji Kintaka Kenji Nishii Junji Hirao Kazuyuki |
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Institution: | New Glass Forum, 1-8-31 Midorigaoka, Ikeda-shi, Osaka-fu, 563-8577, Japan. kazuaki-ooya@aist.go.jp |
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Abstract: | Silica-based one-dimensional photonic crystal (1D-PC) is fabricated by use of a high-spatial-frequency grating with input and output surfaces tilted with respect to its periodic direction. An incident beam is coupled with the first photonic band in the second Brillouin zone of the 1D-PC. The output beam angle changes 3 degrees with a wavelength change of 1%. A prototype of an ultrasmall demultiplexer is demonstrated by use of a silica slab waveguide with 1D-PC. |
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