Tunable lasing at around 405 nm is realised with an InGaN device featuring a narrow-ridge active channel and a periodically ...

This type of resonator has two degrees of freedom, in the transverse and longitudinal dimensions. At a fixed fundamental frequency, this allows the dimensions of the resonators to be modulated to ...

More information: Ali Maleki et al, Strategies to enhance THz harmonic generation combining multilayered, gated, and metamaterial-based architectures, Light: Science & Applications (2025).

Light can only be focused to a spot roughly half its wavelength in size (a few hundred ... the propagation of both fundamental and second-harmonic waves within van der Waals waveguides, allowing ...

Royal High is starting the new year with a new Everfriend 2025 event, allowing players to wish in the Dream Fountain to get the elusive Harmonic Hearts Halo. To get to the Dream Fountain in Roblox ...

The paper is published in the journal Nature. In a world-first, scientists used precisely controlled optical traps, known as "magic-wavelength optical tweezers," to create a highly stable ...

Enter Heart Harmonics, a groundbreaking audio program designed to help individuals manifest love effortlessly by harnessing the power of their heart’s energy field. With roots in ancient wisdom ...

After two stages of amplifier, the high-stability and low-noise Cherenkov radiation at 850 nm is generated in a PM photonic crystal fiber (PCF), and the wavelength tuning is implemented by leveraging ...

State Key Laboratory of Structural Chemistry, Fujian Institute of Research on the Structure of Matter, Chinese Academy of Sciences, Fuzhou 350002, Fujian, P. R. China College of Chemistry and ...

College of Optical, Mechanical and Electrical Engineering, Zhejiang A&F University, Lin’an 311300, China ...