Controlling collective spontaneous emission with plasmonic waveguides
arXiv:1609.02900 · doi:10.1364/OE.24.026696
Abstract
We demonstrate a plasmonic route to control the collective spontaneous emission of two-level quantum emitters. Superradiance and subradiance effects are observed over distances comparable to the operating wavelength inside plasmonic nanochannels. These plasmonic waveguides can provide an effective epsilon-near-zero operation in their cut-off frequency and Fabry-Perot resonances at higher frequencies. The related plasmonic resonant modes are found to efficiently enhance the constructive (superradiance) or destructive (subradiance) interference between different quantum emitters located inside the waveguides. By increasing the number of emitters located in the elongated plasmonic channel, the superradiance effect is enhanced at the epsilon-near-zero operation, leading to a strong coherent increase in the collective spontaneous emission rate. In addition, the separation distance between neighboring emitters and their emission wavelengths can be changed to dynamically control the collective emission properties of the plasmonic system. It is envisioned that the dynamic modification between quantum superradiant and subradiant modes will find applications in quantum entanglement of qubits, low-threshold nanolasers and efficient sensors.
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- Collective effects in Casimir-Polder forces
- Multiqubit entanglement and quantum phase gates with epsilon-near-zero plasmonic waveguides
- Collective Quantum Beats from Distant Multilevel Emitters
- Rolled-up Epsilon-near-zero Waveguide reservoir for long-range qubit entanglement
- Plasmonic Waveguides to Enhance Quantum Electrodynamic Phenomena at the Nanoscale
- Decoherence and collective effects in critical media
- Scattering properties of collective dipolar systems
- Epsilon-near-zero plasmonic waveguides to enhance nonlinear coherent light-matter interactions