DBR (Distributed Bragg Reflector) lasers are increasingly recognized for their versatility and effectiveness in tunable systems. These lasers enable precise wavelength adjustments, making them highly ...

Researchers at the Harvard John A. Paulson School of Engineering and Applied Sciences (SEAS) and Technical University of Vienna (TU Wien) have invented a new type of tunable semiconductor laser that ...

Covering all recent advancements in the field, “Tunable Evanescent-Mode Filters: Principles, Implementation, and Applications” discusses fundamentals and applications in tunable evanescent-mode ...

Researchers have created visible lasers of very pure colors from near-ultraviolet to near-infrared that fit on a fingertip. The colors of the lasers can be precisely tuned and extremely fast -- up to ...

In a significant advance for impactful technologies such as quantum optics and laser displays for AR/VR, Columbia Engineering’s Lipson Nanophotonics Group has invented what it calls “the first tunable ...

Lasers have widespread applications as a light source in a variety of fields, including manufacturing, medicine, high-speed communications, electronics, and scientific research. In recent years, the ...

Tunable lasers for fiber-optic communications may help reduce the amount of gear that telecommunications companies and their equipment makers have to worry about. Michael Kanellos is editor at large ...

Figure 1. Schematic of a tunable microlaser based on phase-change perovskite gain medium, sandwiched between Au mirror and DBR reflector sitting on a quartz glass substrate, pumped by blue-violet ...

A new technology in the fiber-optics market is striking the right note with investors and raising cash at a time when industry confidence is low and venture capital is hard to find. A number of ...

Researchers developed an ultranarrow bandwidth mode-locked laser with a widely tunable pulse duration, enabling controlled output, for various applications Lasers have widespread applications as a ...