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Proceedings Paper

Optical device fabrication using femtosecond laser processing with glass-hologram
Author(s): Jun'ichi Suzuki; Yasunori Arima; Shuhei Tanaka
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Paper Abstract

Using femtosecond laser processing with glass-hologram, fabrication of 1cm-long straight waveguide and X-coupler is reported in this paper. We design and fabricate 4-level glass-hologram which generates 1cm-long straight line intensity. We fabricate 1cm-long waveguides inside fused silica at one shot exposure with the glass-hologram. We investigate the waveguide performance of near field pattern and propagation loss at wavelength of 1550nm. The near field pattern is almost circular shape. The propagation loss at 1550nm is estimated to be < 1.0 dB/cm. As an example of an optical device consisting of straight waveguides, we fabricate X-coupler or 2x2 coupler using straight line waveguides, and observe the output power ratio depending on crossing angle.

Paper Details

Date Published: 11 February 2011
PDF: 9 pages
Proc. SPIE 7925, Frontiers in Ultrafast Optics: Biomedical, Scientific, and Industrial Applications XI, 79251D (11 February 2011); doi: 10.1117/12.876108
Show Author Affiliations
Jun'ichi Suzuki, New Glass Forum (Japan)
Yasunori Arima, New Glass Forum (Japan)
Shuhei Tanaka, New Glass Forum (Japan)


Published in SPIE Proceedings Vol. 7925:
Frontiers in Ultrafast Optics: Biomedical, Scientific, and Industrial Applications XI
Alexander Heisterkamp; Joseph Neev; Stefan Nolte, Editor(s)

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