Abstract
The reliable generation of high-quality single photons has long been a goal of research in photonic quantum information. Direct-UV-written (DUW) silica-on-silicon waveguides provide a reproducible, uniform, low-loss, and fiber-compatible platform for the integration of spontaneous four-wave mixing-based heralded single-photon sources [1]. To overcome limitations caused by Rayleigh scattering, which induces loss, and for compatibility with telecommunications equipment, it is desirable to move to the C-band. Waveguides with birefringence greater than 4.5×10-4 are required in this wavelength of operation [2]. We report the development of a high-birefringence silica-on-silicon integrated platform for heralded single-photon sources at telecom wavelengths.
© 2017 IEEE
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