Abstract
We treat spontaneous parametric downconversion in a periodically poled fiber, quasi-phase matched to allow for the generation of photon pairs at wavelengths within the low-loss telecommunications window. For an appropriate pump polarization, the unusual properties of such a fiber’s effective result in a biphoton wave function that is symmetric upon simultaneous exchange of downconverted photon frequencies and polarizations and that is nonzero over a wide range of downconverted frequencies. This could lead to a significant technical simplification of sources of in-fiber telecom-band polarization-entangled photons.
© 2009 Optical Society of America
Full Article | PDF ArticleMore Like This
Shiming Gao and Changxi Yang
Opt. Lett. 32(18) 2653-2655 (2007)
Changjia Chen, Calvin Xu, Arash Riazi, Eric Y. Zhu, Alexey V. Gladyshev, Peter G. Kazansky, and Li Qian
Opt. Lett. 46(6) 1261-1264 (2021)
E. Y. Zhu, Z. Tang, L. Qian, L. G. Helt, M. Liscidini, J. E. Sipe, C. Corbari, A. Canagasabey, M. Ibsen, and P. G. Kazansky
Opt. Lett. 38(21) 4397-4400 (2013)