Emerging applications based on optical beams carrying orbital angular momentum (OAM)
will probably require photonic integrated devices and circuits for miniaturization, improved …

Nanophotonic waveguides that implement long optical pathlengths on chips are promising
to enable chip-scale gas sensors. Nevertheless, current absorption-based waveguide …

The large volumes induced by complex free‐space optical paths pose a challenge to
quantum precision measurement and optical communication in traditional optics …

The investigations on optical angular momenta and their interactions have broadened our
knowledge of light's behavior at sub-wavelength scales. Recent studies further unveil the …

Intensive research on fullerenes, nanoparticles, and quantum dots in the 1990s led to
interest in nanotubes and nanowires in subsequent years. Handbook of Nanophysics …

We experimentally demonstrate quasi-phase-matched (QPM) four-wave-mixing (FWM) in
silicon (Si) nanowire waveguides with sinusoidally modulated width. We perform discrete …

Guided wave optics, including most prominently fiber optics and integrated photonics, very
often considers only one or very few spatial modes of the waveguides. Despite being known …

A comprehensive theory is developed for describing the nonlinear propagation of optical
pulses through silicon waveguides with nanoscale dimensions. Our theory includes not only …

We report an integrated compact technique that can “spin” and “twist” light on a silicon
photonics platform, with the generated light beams possessing both spin angular momentum …

Single-mode Si-wire waveguides, fabricated in the Si-on-insulator platform, are the basis for
a growing number of potential applications in linear and nonlinear integrated optical devices …