Acrylic-based 1x2 Y-Branch POF coupler with high index contrast waveguide taper

A. A. Ehsan; M. K. Abd Rahman

doi:10.1117/12.888418

19 January 2011 Acrylic-based 1×2 Y-Branch POF coupler with high index contrast waveguide taper

A. A. Ehsan, M. K. Abd Rahman

Proceedings Volume 7986, Passive Components and Fiber-Based Devices VII; 798610 (2011) https://doi.org/10.1117/12.888418
Event: Asia Communications and Photonics Conference and Exhibition, 2010, Shanghai, Shanghai, China

Abstract

An acrylic-based 1x2 Y-Branch POF coupler consists of input POF waveguide, a middle high index contrast waveguide taper and output POF waveguides has been developed. The optical device is based on a 1x2 Y-branch coupler design with a middle high index contrast waveguide taper. Device modeling has been performed using non-sequential ray tracing with an insertion loss of 4.68 dB and coupling ratio of 50:50. Low cost acrylic material has been used for the device substrate. This middle waveguide taper region is constructed on the acrylic block itself without using any additional optical waveguiding medium injected into the engraved taper region. Fabrication of the devices is done by producing the device structures on an acrylic block using high speed CNC machining tool. Input and output POF fibers are inserted in to this device structure in such a way that they are passively aligned to the middle waveguide taper structure. The measured insertion loss is 7.5 dB and with a splitting ratio of 50:50.

Citation Download Citation

A. A. Ehsan and M. K. Abd Rahman "Acrylic-based 1×2 Y-Branch POF coupler with high index contrast waveguide taper", Proc. SPIE 7986, Passive Components and Fiber-Based Devices VII, 798610 (19 January 2011); https://doi.org/10.1117/12.888418

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