Mr. Shing Yin Profile

Shing Yin

Consultant

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Author

Publications (3)

Proceedings Article | 17 April 1998 Paper

Polymer integrated optical devices for telecommunications applications

Robert Norwood, Robert Blomquist, Louay Eldada, Cathy Glass, Constantina Poga, Lawrence Shacklette, Baopei Xu, Shing Yin, James Yardley

Proceedings Volume 3281, (1998) https://doi.org/10.1117/12.305408

KEYWORDS: Polymers, Waveguides, Dense wavelength division multiplexing, Humidity, Refractive index, Polymer multimode waveguides, Telecommunications, Optical fibers, Optical components, Absorption

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The success of optical fiber technology continues to enable great advances in telecommunications. Among the more recent commercial developments have included the erbium doped fiber amplifier, 10 GB/sec time division multiplexing, and dense wavelength division multiplexing (DWDM). In the near future two trends will dominate the continued growth of this technology (1) increased optical device functionality and (2) migration of increased bandwidth down to local loop and access levels of the network. Examples of increased functionality will include splitters and DWDMs with increased port counts, wavelength conversion, and matrix optical switching. Migration of bandwidth will require greater volumes of fundamental optical components such as power splitters and WDMs. We will discuss our polymeric optical device technology in light of both current and future telecom needs. We have developed a series of cross-linked polymers with intrinsic losses in the 1.55 micrometer window as low as 0.1 - 0.2 dB/cm. Singlemode waveguides can be made from these materials by photolithography or by molding. Our baseline materials, C20 and C21, are nonhalogenated polymers and exhibit waveguide losses at 1.55 micrometer of 1 to 1.5 dB/cm; by increasing the level of halogenation we can achieve waveguide losses as low as 0.3 dB/cm. These polymers exhibit excellent resistance to adverse environmental conditions, typified by the well-known Bellcore 85 degrees Celsius/85%RH soak test. One X sixteen and 1 X 8 power splitting devices made from C20/C21 have exhibited insertion losses of 11 dB and uniformities of plus or minus 0.3 dB at 1.3 micrometer. We have also invented a passive alignment technology that allows optical fibers to be 'snap-fit' aligned with the optical waveguide, which reduces the difficulty and cost of pigtailing. Finally, we discuss our approach to DWDM which takes advantage of our ability to precisely control the refractive index of our polymers by proper selection of the comonomers.

Proceedings Article | 1 February 1998 Paper

Affordable WDM components: the polymer solution

Louay Eldada, Shing Yin, Robert Norwood, James Yardley

Proceedings Volume 3234, (1998) https://doi.org/10.1117/12.300925

KEYWORDS: Polymers, Wavelength division multiplexing, Waveguides, Polymer multimode waveguides, Data communications, Computer aided design, Single mode fibers, Refractive index, Humidity, Resistance

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Proceedings Article | 13 October 1997 Paper

Polymer optical interconnects: meeting the requirements for datacom and telecom applications

Lawrence Shacklette, Robert Norwood, Louay Eldada, Cathy Glass, Duc Nguyen, Constantina Poga, Baopei Xu, Shing Yin, James Yardley

Proceedings Volume 3147, (1997) https://doi.org/10.1117/12.279315

KEYWORDS: Polymers, Absorption, Waveguides, Polymer multimode waveguides, Optical interconnects, Polymethylmethacrylate, Humidity, Glasses, Refraction, Photorefractive polymers

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