Abstract: At present, satellite communication has the problem of multiple communication bands and limited satellite space. Therefore, based on the shared aperture array technology, this communication ...

Abstract: We report on 940 nm dual-cavity photonic crystal vertical-cavity surface-emitting laser (VCSEL) arrays fabricated at a commercial foundry. These arrays leverage an anti-guided design enabled ...

James Chen, CMT is an expert trader, investment adviser, and global market strategist. Gordon Scott has been an active investor and technical analyst or 20+ years. He is a Chartered Market Technician ...

Seasons have their own unique flavors. We’ve eased out of the it’s-too-hot-to fire-up-the-oven phase of the year and are now barreling headfirst into cooler weather. This iced coffee drinker is ...

Investopedia contributors come from a range of backgrounds, and over 25 years there have been thousands of expert writers and editors who have contributed. Robert Kelly is managing director of XTS ...