AlGaAs-on-insulator waveguide for highly efficient photon-pair generation via spontaneous four-wave mixing
- authored by
- Hatam Mahmudlu, Stuart May, Alí Angulo, Marc Sorel, Michael Kues
- Abstract
We report on the generation of correlated photon pairs in AlGaAs-on-insulator (AlGaAs-OI) waveguides through nonlinear spontaneous four-wave-mixing (SFWM). Our measurements reveal an SFWM pair generation efficiency of ∼0.096 × 1012 pairs/(sW2) at a wavelength of 1550 nm. This is one of the highest efficiencies achieved to date for integrated SFWM sources. A maximal coincidence-to-accidental ratio of ∼122 is measured. A spectral characterization of the device’s pair emission at the quantum level demonstrates a broad generation bandwidth of 2.0 THz, which is important for frequency multiplexing applications. Our results indicate that AlGaAs-OI is an efficient material platform for integrated quantum photonics at telecom wavelengths.
- Organisation(s)
-
Hannover Centre for Optical Technologies (HOT)
Institute of Photonics
PhoenixD: Photonics, Optics, and Engineering - Innovation Across Disciplines
- External Organisation(s)
-
University of Glasgow
Scuola Superiore Sant'Anna di Studi Universitari e di Perfezionamento
- Type
- Article
- Journal
- Optics letters
- Volume
- 46
- Pages
- 1061-1064
- No. of pages
- 4
- ISSN
- 0146-9592
- Publication date
- 22.02.2021
- Publication status
- Published
- Peer reviewed
- Yes
- ASJC Scopus subject areas
- Atomic and Molecular Physics, and Optics
- Electronic version(s)
-
https://doi.org/10.1364/OL.418932 (Access:
Open)