{
  "annotation_id": "fbd41b70-c948-4c42-b237-11beaea63e1a",
  "date_created": "2026-03-02T18:01:14.747000Z",
  "date_modified": "2026-03-02T18:01:14.747000Z",
  "file_hash": "22de21f4d01b232b32ecb39fbcb71fc9e09bbdad720f3aa2315133eb3ceda1cd",
  "private": false,
  "record": {
    "abstract": "We consider plasmonic nanoantennas immersed in active host medium.\nSpecifically shaped metal nanoantennas can exhibit strong magnetic properties\nin the optical spectral range due to the excitation of Magnetic Plasmon\nResonance (MPR). A case when a metamaterial comprising such nanoantennas can\ndemonstrate both \"left-handiness\" and negative permeability in the optical\nrange is considered. We show that high losses predicted for optical \"left-\nhanded\" materials can be compensated in the gain medium. Gains required to\nachieve local generation in such magnetic active metamaterials are calculated\nfor real metals. We propose plasmonic nanolaser, where the metal nanoantenna\noperates like a resonator. The size of the proposed plasmonic laser is much\nsmaller than the wavelength. Therefore, it can serve as a very compact source\nof EM radiation.",
    "arxiv_id": "physics/0611126",
    "authors": [
      "Andrey K. Sarychev",
      "Gennady Tartakovsky"
    ],
    "categories": [
      "physics.optics",
      "physics.atom-ph"
    ],
    "doi": "10.1117/12.681380",
    "title": "Magnetic plasmonic Metamaterials in actively pumped Host Medium and   Plasmonic Nanolaser",
    "url": "https://arxiv.org/abs/physics/0611126"
  },
  "schema_id": "dorsal/arxiv",
  "source": {
    "execution_id": "5d32ae15-1adb-431a-8ecc-45863cbc8240",
    "id": "arXiv Dataset IDs",
    "type": "Model",
    "variant": "snapshot-2026-03-01",
    "version": "0.1.0"
  },
  "user_id": 1000002
}