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21 November 2007 Modal noise investigation in multimode polymer waveguides
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Proceedings Volume 6781, Passive Components and Fiber-based Devices IV; 67810Q (2007)
Event: Asia-Pacific Optical Communications, 2007, Wuhan, China
In this work the recent interest in waveguides for use in short optical links has motivated a study of the modal noise dependence on launch conditions in short-reach step-index multimode polymer waveguides. Short optical links, especially those with several connection interfaces and utilising a restricted launch are likely to be subject to a modal noise power penalty. We therefore experimentally study the modal noise impact of restricted launches for a short-reach optical link employing a 50 x 50 μm polymer multimode waveguide. Lens launches resulting in small diameter input spots are investigated as are restricted launches from an 8 μm core optical fibre. For a launch spot of 10 μm diameter no impairment is observed for up to 9 dBo of mode selective loss, and for a fibre launch with a dynamic input movement of 6 μm no impairment is seen for up to 8 dBo of mode selective loss.
© (2007) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
Joseph Beals IV, Nikos Bamiedakis, Richard V. Penty, Ian H. White, Jon V. DeGroot Jr., and Terry V. Clapp "Modal noise investigation in multimode polymer waveguides", Proc. SPIE 6781, Passive Components and Fiber-based Devices IV, 67810Q (21 November 2007);

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