A surface-normal input/output volume holographic grating coupler (VHGC) operating at 1550nm wavelength region by using a 10μm-thick DuPont photopolymer film is designed and fabricated. The angular and wavelength responses of the input/output VHGC are investigated in order to validate applicability of this device in integrated optics and optical communications. The effect of incident-beam position on the output reflectance to determine optimum condition for input coupling is also presented. The fabricated input/output VHGC exhibited an angular selectivity of ~0.027°, a wavelength selectivity of ~0.8 nm, and an output peak reflectance of 34.13%.
© 2012 Optical Society of Korea
(060.1810) Fiber optics and optical communications : Buffers, couplers, routers, switches, and multiplexers
(090.2890) Holography : Holographic optical elements
(090.7330) Holography : Volume gratings
Original Manuscript: November 15, 2011
Revised Manuscript: January 3, 2012
Manuscript Accepted: January 4, 2012
Published: March 25, 2012
Kwon-Yeon Lee, Sang-Huek Jeung, Byung-Mo Cho, and Nam Kim, "Photopolymer-based Surface-normal Input/Output Volume Holographic Grating Coupler for 1550-nm Optical Wavelength," J. Opt. Soc. Korea 16, 17-21 (2012)
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