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T35 multi-core fiber grating and T103 multi-core fiber grating arrays can be engraved into all fiber cores in physical locations, or only onto certain fiber cores.They can also have the same wavelength, or they can have all different wavelengths at the same physical location along the fiber or at different physical locations along the fiber.T35 and T103 are very suitable for projects that require...
A new device composed of semiconductor rings generates pairs of entangled photons, which can be used in photon quantum processors.Quantum light sources generate entangled photon pairs, which can be used in quantum computing and cryptography. A new experiment has demonstrated a quantum light source made from semiconductor gallium nitride. This material provides a multifunctional platform for devic...
As a core supporting field of modern technology, the optical industry has broad and diversified development prospects, benefiting from the cross drive of multiple emerging technologies. The following is a systematic analysis from the perspectives of technology trends, application areas, challenges, and opportunities: Core driving forces and growth areas1. Optical communication and 5G/6GDemand ex...
Scientists from the University of Ljubljana in Slovenia have made groundbreaking discoveries and discovered a new innovative application of soap bubbles. By transforming these seemingly simple entities into laser sensors, they unleash the potential to detect electric fields and pressures. This extraordinary development has opened the door to various possibilities.Researchers at the University of L...
1. Research backgroundDirected energy deposition (DED), as an efficient and economical technology in the field of additive manufacturing (AM), is widely used in the manufacturing of metal materials. However, its high heating and cooling rates, as well as significant temperature gradients, often lead to rapid solidification, forming cross layer columnar grains and internal defects, seriously affect...