Mr. Nobuhiko Ishizawa Profile

Nobuhiko Ishizawa

at Tokai Univ

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Proceedings Article | 2 February 2012 Paper

Novel optical interconnect devices applying mask-transfer self-written method

Nobuhiko Ishizawa, Yusuke Matsuzawa, Yu Tokiwa, Kenichi Nakama, Osamu Mikami

Proceedings Volume 8267, 82670K (2012) https://doi.org/10.1117/12.907326

KEYWORDS: Waveguides, Optical interconnects, Photomasks, Prisms, Optical fibers, Optical alignment, Photography, Channel projecting optics, Optoelectronics, Ultraviolet radiation

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The introduction of optical interconnect technology is expected to solve problems of conventional electric wiring. One of the promising technologies realizing optical interconnect is the self-written waveguide (SWW) technology with lightcurable resin. We have developed a new technology of the "Mask-Transfer Self-Written (MTSW)" method. This new method enables fabrication of arrayed M x N optical channels at one shot of UV-light. Using this technology, several new optical interconnect devices and connection technologies have been proposed and investigated. In this paper, first, we introduce MTSW method briefly. Next, we show plug-in alignment approach using optical waveguide plugs (OWP) and a micro-hole array (MHA) which are made of the light-curable resin. Easy and high efficiency plug-in alignment between fibers and an optoelectronic-printed wiring board (OE-PWB), between a fiber and a VCSEL, so on will be feasible. Then, we propose a new three-dimensional (3D) branch waveguide. By controlling the irradiating angle through the photomask aperture, it will be possible to fabricate 2-branch and 4-branch waveguides with a certain branch angle. The 3D branch waveguide will be very promising in the future optical interconnects and coupler devices of the multicore optical fiber.

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