Optical characteristics of holographic input-beam coupler using a photopolymer

Chang Won Shin; Jung Hoi Kim; Nam Kim; Dong Woo Suh; Mun Cheol Paek; Yeung Joon Sohn; Hee Sook Chung; Kwang Yong Kang

doi:10.1117/12.645710

27 February 2006 Optical characteristics of holographic input-beam coupler using a photopolymer

Chang Won Shin, Jung Hoi Kim, Nam Kim, Dong Woo Suh, Mun Cheol Paek, Yeung Joon Sohn, Hee Sook Chung, Kwang Yong Kang

Proceedings Volume 6136, Practical Holography XX: Materials and Applications; 61360Z (2006) https://doi.org/10.1117/12.645710
Event: Integrated Optoelectronic Devices 2006, 2006, San Jose, California, United States

Abstract

Holographic gratings with asymmetric structure are widely used to couple light into and out of waveguides due to their high diffraction efficiencies and planar packaging. In this paper, a holographic grating coupler based on the photopolymer has been designed and experimentally demonstrated at wavelength of 405nm. To achieve the high diffraction efficiencies in the structure, we investigated the optical properties of the coupler according to the exposure energy at the 405nm wavelength. In the holographic recording for the asymmetrical geometry, we researched the optical characteristics of the Dupont photopolymer HRF150-38 as the correction of the Bragg angles shift because of shrinkage factor and the diffraction efficiency. The performance and the optical characteristics of the coupler using volume holographic grating will discussed in detail.

Citation Download Citation

Chang Won Shin, Jung Hoi Kim, Nam Kim, Dong Woo Suh, Mun Cheol Paek, Yeung Joon Sohn, Hee Sook Chung, and Kwang Yong Kang "Optical characteristics of holographic input-beam coupler using a photopolymer", Proc. SPIE 6136, Practical Holography XX: Materials and Applications, 61360Z (27 February 2006); https://doi.org/10.1117/12.645710

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