With the rapid development of portable devices and Internet of Things, the need for integration of sensors has accelerated the research of multifunctional sensing platforms. Multifunctional sensors that can detect light radiation, biological activities, stress, and gases in order to monitor environmental changes have great potential applications.
When an optical pulse train is delivered, two-photon absorption (TPA)-induced pumping causes considerable and quick gain and phase shifts in the carrier reservoir semiconductor optical amplifier (CR-SOA).
Renewable energy plays an important role for “Decarbonization and Net-zero Carbon Emission”. However, the integration difficulty of renewable energy technologies in harsh climatic areas limits its applications in high latitude areas.
The effect of temperature on the performance of the semiconductor optical amplifiers (SOAs) is an important research point. Amer Kotb and his colleagues from the Changchun Institute of Optics, Fine Mechanics and Physics of the Chinese Academy of Sciences have for the first time investigated the effect of high temperatures on the performance of various SOAs.
Fe2+:ZnSe laser is one of the research hotspots of new mid-infrared solid-state lasers with a wide application prospect in the fields of atmospheric monitoring, space remote sensing, laser medical, laser radar and so on. Because it has broad bandwidth tunability and high energy output characteristics.
Topological photonics is an emerging area that provides unprecedented opportunities for controlling the flow of light in photonic integrated circuits. With the introduction of non-trivial topological phases, a one-way street for light is feasible in photonic crystals (PhCs) and other platforms. Like a tightly regulated one-way traffic lane, light cannot be reflected back in these exotic structures.
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