Abstract
Correlated photon pairs generated through spontaneous parametric down-conversion (SPDC) are a key resource in quantum optics. In many quantum optics applications, such as satellite quantum key distribution (QKD), a compact, high repetition rate pump laser is required. Here we demonstrate the use of a compact, GHz-rate diode-pumped three-element Kerr-lens-modelocked Ti:sapphire laser for the generation of correlated photon pairs at 790 nm. We verify the presence of indistinguishable photons produced via SPDC using Hong-Ou-Mandel (HOM) interferometry and observe a dip in coincidence counts with a visibility of 81.8%.
| Original language | English |
|---|---|
| Pages (from-to) | 1922-1928 |
| Number of pages | 7 |
| Journal | OSA Continuum |
| Volume | 2 |
| Issue number | 9 |
| Early online date | 23 Aug 2023 |
| DOIs | |
| Publication status | Published - 15 Sept 2023 |
ASJC Scopus subject areas
- Electronic, Optical and Magnetic Materials
- Atomic and Molecular Physics, and Optics
- Electrical and Electronic Engineering