Mode control in a laser cavity is critical for a stable single-mode operation of a ring laser. In this study we propose and experimentally demonstrate an electrically pumped parity-time (PT)-symmetric ...

Alright cabling gurus, I've got a question for you: Can you mix single mode and multimode fibers in a single run?<P>I've always assumed the answer is 'no'. Yet this week, I was tracing runs and found ...

Help! Check me on a few things.<BR><BR>I'm working with a group to network a summer camp. Conduit connecting the various ends of camp have been buried with splice vaults where necessary. The local ...