Advances in thin film photonics: materials, science, and technology

Charles M. Fortmann; Ronald J. Tonucci; Wayne A. Anderson; C. W. Teplin; A. Harv Mahan

doi:10.1117/12.509490

21 October 2003 Advances in thin film photonics: materials, science, and technology

Charles M. Fortmann, Ronald J. Tonucci, Wayne A. Anderson, C. W. Teplin, A. Harv Mahan

Proceedings Volume 5206, Photorefractive Fiber and Crystal Devices: Materials, Optical Properties, and Applications IX; (2003) https://doi.org/10.1117/12.509490
Event: Optical Science and Technology, SPIE's 48th Annual Meeting, 2003, San Diego, California, United States

Abstract

Control of refractive index in amorphous silicon materials is investigated. Elementary waveguide structures were prepared on two micron thick amorphous silicon by photon lithographic patterning of a silver masking layer. Hydrogen was implanted at fluence of ~5×10¹⁷ cm² for three energies, 50, 100 and 175 KeV yielding a total does of ~1.5×10¹⁸ cm² consistent with a 10% increase in atoms due to the hydrogen addition. The optical properties of the implanted and non-implanted regions were probed as a function of low temperature annealing. The optical band gap shift to higher energy was consistent with hydrogen addition. Some darkening, absorption increase, were noted on the implanted regions. However, low temperature annealing is known to remove dangling bond damage in amorphous silicon. Prospects of utilizing these waveguides to probe light induced optical changes in amorphous silicon is described as well as the prospects of more advanced devices.

Citation Download Citation

Charles M. Fortmann, Ronald J. Tonucci, Wayne A. Anderson, C. W. Teplin, and A. Harv Mahan "Advances in thin film photonics: materials, science, and technology", Proc. SPIE 5206, Photorefractive Fiber and Crystal Devices: Materials, Optical Properties, and Applications IX, (21 October 2003); https://doi.org/10.1117/12.509490

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