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PreprintCC BY 4.0arXiv

Spin-polarized lasing in a photonic lattice

  • A. Herrero Otermin
  • N. Carlon Zambon
  • A. Bieganowska
  • F. Jabeen
  • L. Viña
  • C. Antón-Solanas
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Abstract

We characterize spin-polarized lasing in a two-dimensional photonic lattice fabricated from a GaAs/InGaAs semiconductor microcavity sample. The lattice is defined by a staggered arrangement of rounded rectangular micrometric mesas that laterally confine and couple the optical modes. Polarization-, angle-, and energy-resolved micro-photoluminescence measurements reveal the transition from the strong-coupling regime to photon lasing, accompanied by extended spatial coherence across several lattice unit cells. Under circularly polarized nonresonant excitation, the emitted light acquires a controllable circular polarization whose handedness follows that of the pump. These results establish photonic-lattice VCSELs as a platform for spin-controlled coherent emission in extended optical systems.

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Cite

BibTeXRIS
BibTeX
@misc{otermin2026spinpolarized,
  title = {{Spin-polarized lasing in a photonic lattice}},
  author = {A. Herrero Otermin and N. Carlon Zambon and A. Bieganowska and F. Jabeen and L. Viña and C. Antón-Solanas},
  howpublished = {arXiv},
  year = {2026},
  month = may,
  doi = {10.48550/arxiv.2605.20927},
  eprint = {2605.20927},
  archivePrefix = {arXiv},
  url = {https://arxiv.org/abs/2605.20927},
  note = {CC BY 4.0},
}
RIS
TY  - UNPB
TI  - Spin-polarized lasing in a photonic lattice
AU  - A. Herrero Otermin
AU  - N. Carlon Zambon
AU  - A. Bieganowska
AU  - F. Jabeen
AU  - L. Viña
AU  - C. Antón-Solanas
PY  - 2026
DA  - 2026/05/20
PB  - arXiv
DO  - 10.48550/arxiv.2605.20927
UR  - https://arxiv.org/abs/2605.20927
AB  - We characterize spin-polarized lasing in a two-dimensional photonic lattice fabricated from a GaAs/InGaAs semiconductor microcavity sample. The lattice is defined by a staggered arrangement of rounded rectangular micrometric mesas that laterally confine and couple the optical modes. Polarization-, angle-, and energy-resolved micro-photoluminescence measurements reveal the transition from the strong-coupling regime to photon lasing, accompanied by extended spatial coherence across several lattice unit cells. Under circularly polarized nonresonant excitation, the emitted light acquires a controllable circular polarization whose handedness follows that of the pump. These results establish photonic-lattice VCSELs as a platform for spin-controlled coherent emission in extended optical systems.
ER  -