Waveguide Bragg gratings with tailored spectral chirps induced by tapered core profiles

Min-su Kim; Jung Jin Ju; Seung Koo Park; Myung-Hyun Lee

doi:10.1117/12.764336

12 February 2008 Waveguide Bragg gratings with tailored spectral chirps induced by tapered core profiles

Min-su Kim, Jung Jin Ju, Seung Koo Park, Myung-Hyun Lee

Proceedings Volume 6896, Integrated Optics: Devices, Materials, and Technologies XII; 68960I (2008) https://doi.org/10.1117/12.764336
Event: Integrated Optoelectronic Devices 2008, 2008, San Jose, California, United States

Abstract

Chirped Bragg gratings can be utilized in various application regions due to their characteristic spectral and group delay responses. Chirped Bragg gratings based on the planar waveguide technology can present several advantages over chirped fiber Bragg gratings. We have proposed and demonstrated that the chirp characteristics of waveguide Bragg grating (WBG) devices can be tailored by adopting specifically tapered core profiles. On the ground of our analytical and experimental results, we established the dependence of the modal effective index on the core width. Using the relationship, we designed and fabricated polymeric WBG devices with precisely controlled linear chirp parameters. Then, one of the fabricated WBG device was packaged and applied to tunable dispersion compensation (TDC) for 40-Gbps optical signal transmission. It was ascertained that the optical signal quality was significantly improved by tuning the operation condition of the packaged TDC module.

Citation Download Citation

Min-su Kim, Jung Jin Ju, Seung Koo Park, and Myung-Hyun Lee "Waveguide Bragg gratings with tailored spectral chirps induced by tapered core profiles", Proc. SPIE 6896, Integrated Optics: Devices, Materials, and Technologies XII, 68960I (12 February 2008); https://doi.org/10.1117/12.764336

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