Abstract
Solid-state single-photon emitters (SPEs) are attracting significant attention as fundamental components in quantum computing, communication, and sensing. Low-dimensional materials-based SPEs (LD-SPEs) have drawn particular interest due to their high photon extraction efficiency, ease of integration with photonic circuits, and strong coupling with external fields. The accessible surfaces of LD materials allow for deterministic control over quantum light emission, while enhanced quantum confinement and light-matter interactions improve photon emissive properties. This perspective examines recent progress in LD-SPEs across four key materials: zero-dimensional (0D) semiconductor quantum dots, one-dimensional (1D) nanotubes, two-dimensional (2D) materials, including hexagonal boron nitride (hBN) and transition metal dichalcogenides (TMDCs). We explore their structural and photophysical properties, along with techniques such as spectral tuning and cavity coupling, which enhance SPE performance. Finally, we address future challenges and suggest strategies for optimizing LD-SPEs for practical quantum applications.
| Original language | English |
|---|---|
| Pages (from-to) | 1687-1713 |
| Number of pages | 27 |
| Journal | Nanophotonics |
| Volume | 14 |
| Issue number | 11 |
| DOIs | |
| State | Published - Jun 1 2025 |
Funding
JC, XY, SG, and ME acknowledge the support by Army Research Office under grant No. W911NF2410080. This work was supported by the Center for Nanophase Materials Sciences (CNMS), which is the U.S. Department of Energy, Office of Science User Facility at Oak Ridge National Laboratory. HZ was supported by the Wigner Distinguished Staff Fellowship at the Oak Ridge National Laboratory. BL was supported by the U.S. Department of Energy, Office of Science, Basic Energy Sciences, Materials Sciences and Engineering Division. Research funding: JC, XY, SG, and ME acknowledge the support by Army Research Office under grant No. W911NF2410080. HZ was supported by the Wigner Distinguished Staff Fellowship at the Oak Ridge National Laboratory.
Keywords
- hexagonal boron nitride
- low-dimensional materials
- quantum dots
- single photon sources
- single-walled carbon nanotubes
- transition metal dichalcogenides