
Infrared spectroscopy with its rich vibrational information plays a crucial role in biochemical sensing. Metasurface-enhanced infrared spectroscopy amplifies the detection sensitivity by enhancing local electromagnetic fields. How
Visible optical frequency combs are essential to optical atomic clocks, astronomical spectrograph calibration, and biological imaging. However, due to the limitations of the dispersion properties of available materials and the Q-f
The authors comment on a recent significant advancement in developing a chiral sensor that is both...
Optical vortices, characterized by their infinite orthogonal eigenmodes—such as orbital angular momentum (OAM) and cylindrical vector beam (CVB) modes—offer unprecedented opportunities for advancing optical communication systems.
Photonics has proven to be a very attractive platform for quantum technologies, offering key features such as high-fidelity qubits and room-temperature signal processing. Advancements in integrated photonics are expected to furthe
Spatial photonic Ising machines (SPIMs) are promising computation devices that can be used to find the ground states of different spin Hamiltonians and solve large-scale optimization problems. The photonic architecture leverages t
Twisted optical fibers are a promising platform for manipulating circularly polarized light and orbital angular momentum beams for applications such as nonlinear frequency conversion, optical communication, or chiral sensing. Howe
Optical neural networks have emerged as feasible alternatives to their electronic counterparts, offering significant benefits such as low power consumption, low latency, and high parallelism. However, the realization of ultra-comp
Recent progress in direct photodetection of light orbital angular momentum (OAM) based on the orbital photogalvanic effect (OPGE) provides an effective way for on-chip direct electric readout of orbital angular momentum, as well a
Flatbands are of significant interest due to their potential for strong energy confinement and their ability to facilitate strongly correlated physics such as unconventional superconductivity and fractional quantum Hall states. Wh
Metalenses have exhibited significant promise across various applications due to their ultrathin, lightweight, and flat architecture, which allows for integration with microelectronic devices. However, their overall imaging capabi
Surface-enhanced Raman spectroscopy (SERS), as a great potential label-free tool in metabolite detection, offers a strategy for rapid bacterial identification. However, it still lacks experimentally supported spectral interpretati
Imaging through complex scattering media is severely limited by aberrations and scattering, which obscure images and reduce resolution. Confocal and temporal gatings partly filter out multiple scattering but are severely degraded
Visible femtosecond lasers, especially within the deep-red wavelengths, are critical for applications such as bioimaging, biomedicine, and material processing. Traditional visible ultrafast lasers, such as Ti:sapphire lasers or no
The slow axial scanning rate in multiphoton microscopy (MPM) has traditionally limited the speed of three-dimensional (3D) imaging. Recently, a lot of techniques have been proposed to speed up the axial scan; however, there inhere