Nanophotonics and plasmonics - Canada News Beep

Real-space observation of flat-band ultrastrong coupling between optical phonons and surface plasmon polaritons

December 18, 2025

Galego, J., Garcia-Vidal, F. J. & Feist, J. Cavity-induced modifications of molecular structure in the strong-coupling regime. Phys.…

PPhysics

Low-threshold lasing from colloidal quantum dots under quasi-continuous-wave excitation

December 16, 2025

Chemicals Cadmium oxide (CdO, 99.5%, trace metals basis), zinc acetate 99.99%, trace metals basis), oleylamine (70%, technical grade),…

PPhysics

December 4, 2025

The theoretical framework for the quasi-bound flat bands in the continuum We start with a one-dimensional (1D) silicon…

PPhysics

Observation of space-time surface plasmon polaritons

December 2, 2025

Theoretical formulation The conceptual formulation of ST-SPPs is best understood by visualizing their spectral representation on the surface…

PPhysics

Ultra high-Q tunable microring resonators enabled by slow light

November 26, 2025

Slow light-induced linewidth narrowing The maximum achievable Q-factor (Q = ωc/κ) of resonators is primarily constrained by intrinsic loss mechanisms…

PPhysics

Widely tunable and narrow-linewidth violet lasers enabled by UV-transparent materials

November 21, 2025

Ludlow, A. D., Boyd, M. M., Ye, J., Peik, E. & Schmidt, P. O. Optical atomic clocks. Rev.…

PPhysics

Observation of hyperbolic intersubband polaritons in native-dielectric-doped van der Waals semiconductor quantum wells

November 20, 2025

Intersubband transition and native-dielectric-doping The intersubband transition energies in the WSe2 QWs can be approximated with an infinite…

PPhysics

Brownian spin-locking effect | Nature Materials

November 19, 2025

Anderson, P. W. Absence of diffusion in certain random lattices. Phys. Rev. 109, 1492 (1958). Article CAS Google…

PPhysics

Eigenstate control of plasmon wavepackets with electron-channel blockade

November 13, 2025

Time-resolved measurement of plasmon wavepackets Our quantum device consists of a 100 μm-long electron waveguide, fabricated by depositing electrostatic…

PPhysics

Ultra-broadband wide-angle anti-reflection scheme utilizing multi-layer resonant metasurfaces

November 7, 2025

When light transitions from one medium to another, differences in refractive indices cause partial reflection which reduces the…

PPhysics

Room-temperature spin-layer locking of exciton–polariton nonlinearities in a WS2 microcavity

November 7, 2025

Žutić, I., Fabian, J. & Sarma, S. D. Spintronics: fundamentals and applications. Rev. Mod. Phys. 76, 323 (2004).…

PPhysics

An optical meta-image-processor for enhanced imaging through strongly scattering media

November 6, 2025

Principle In an ideal imaging system, the PSF appears as a distinct Airy pattern, as shown in Fig. 1a.…