Fast trimming of electro-optic polymer waveguide Y-branches by post-photobleaching for tuning the power splitting ratio

Antao Chen; Vadim Chuyanov; Felix Ignacio Marti-Carrera; Sean M. Garner; William H. Steier; Shane S. H. Mao; Younsoo Ra; Larry Raymond Dalton

doi:10.1117/12.279318

13 October 1997 Fast trimming of electro-optic polymer waveguide Y-branches by postphotobleaching for tuning the power splitting ratio

Antao Chen, Vadim Chuyanov, Felix Ignacio Marti-Carrera, Sean M. Garner, William H. Steier, Shane S. H. Mao, Younsoo Ra, Larry Raymond Dalton

Author Affiliations +

Proceedings Volume 3147, Nonlinear Optical Properties of Organic Materials X; (1997) https://doi.org/10.1117/12.279318
Event: Optical Science, Engineering and Instrumentation '97, 1997, San Diego, CA, United States

Abstract

We present a novel post-fabrication laser trimming technique to adjust the power splitting ratio of strip waveguide Y-branches made in thermally crosslinked electro-optic polymers. The trimming is based on the irreversible index change due to photobleaching. Our method uses simple equipment and the process takes only a few seconds. Waveguides made by both reactive ion etching and photobleaching are trimmable. An adjustable range of the splitting ratio as wide as is achieved with less than 0.2 dB of excess loss. This in situ trimming technique is effective for both the TE and TM modes of the waveguide and is very suitable for automated device processing.

Citation Download Citation

Antao Chen, Vadim Chuyanov, Felix Ignacio Marti-Carrera, Sean M. Garner, William H. Steier, Shane S. H. Mao, Younsoo Ra, and Larry Raymond Dalton "Fast trimming of electro-optic polymer waveguide Y-branches by postphotobleaching for tuning the power splitting ratio", Proc. SPIE 3147, Nonlinear Optical Properties of Organic Materials X, (13 October 1997); https://doi.org/10.1117/12.279318

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