Photorefractive polymer composite operating at the optical communication wavelength of 1550 nm

Tay, Savaş; Thomas, Jayan; Eralp, Muhsin; Guoqiang Li; Kippelen, Bernard; Marder, Seth R.; Meredith, Gerald; Schülzgen, Axel; Peyghambarian, N.
November 2004
Applied Physics Letters;11/15/2004, Vol. 85 Issue 20, p4561
Academic Journal
A photorefractive polymer composite sensitized at 1550 nm through direct two-photon absorption has been developed. We show an external diffraction efficiency of 3% in four-wave-mixing experiments and perform holographic reconstruction of distorted images utilizing thin-film devices made of this polymer composite. Amongst other potential applications, the demonstration of accurate, dynamic aberration correction through holography in this all-organic photorefractive device presents an alternative to complex adaptive optics systems currently employed in through-air optical communication links.


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