Cross-polarized photon-pair generation and bi-chromatically pumped optical parametric oscillation on a chip

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Reimer, Christian and Kues, Michael and Caspani, Lucia and Wetzel, Benjamin and Roztocki, Piotr and Clerici, Matteo and Jestin, Yoann and Ferrera, Marcello and Peccianti, Marco and Pasquazi, Alessia and Little, Brent E. and Chu, Sai T. and Moss, David J. and Morandotti, Roberto (2015) Cross-polarized photon-pair generation and bi-chromatically pumped optical parametric oscillation on a chip. Nature Communications, 6. 8236. ISSN 2041-1723 (https://doi.org/10.1038/ncomms9236)

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Abstract

Nonlinear optical processes are one of the most important tools in modern optics with a broad spectrum of applications in, for example, frequency conversion, spectroscopy, signal processing and quantum optics. For practical and ultimately widespread implementation, on-chip devices compatible with electronic integrated circuit technology offer great advantages in terms of low cost, small footprint, high performance and low energy consumption. While many on-chip key components have been realized, to date polarization has not been fully exploited as a degree of freedom for integrated nonlinear devices. In particular, frequency conversion based on orthogonally polarized beams has not yet been demonstrated on chip. Here we show frequency mixing between orthogonal polarization modes in a compact integrated microring resonator and demonstrate a bi-chromatically pumped optical parametric oscillator. Operating the device above and below threshold, we directly generate orthogonally polarized beams, as well as photon pairs, respectively, that can find applications, for example, in optical communication and quantum optics.

ORCID iDs

Reimer, Christian, Kues, Michael, Caspani, Lucia ORCID logoORCID: https://orcid.org/0000-0003-2711-0448, Wetzel, Benjamin, Roztocki, Piotr, Clerici, Matteo, Jestin, Yoann, Ferrera, Marcello, Peccianti, Marco, Pasquazi, Alessia, Little, Brent E., Chu, Sai T., Moss, David J. and Morandotti, Roberto;
CORE (COnnecting REpositories)