Technology

Innovative JDSU photovoltaic (PV) technology is the driving force behind our concentrated photovoltaic (CPV) solar-cell design and our proven photonic-power product line. JDSU continues to advance PV technology with compound semiconductor materials such as AlGaAs, GaAs, InGaAs, InP, and InGaAsP. These form the foundation for new and innovative devices aimed at converting light to electric power at the highest conversion efficiency.

Our first-generation CPV cells, intended for power generation under concentrated sunlight, are a direct result of recent materials development. Available as chips and in receiver assemblies, these CPV cells come in a broad range of size and gridline configurations. Customizable and extremely reliable, these cells combine our extensive telecom experience with our photovoltaic power converter (PPC) technology. Conversion efficiencies in the 30 – 39 percent range are commonplace, and the technology roadmap points toward moving into the 40 percent range.

These latest PV advances are complemented by our well-established PPC technology that uses a multisegmented, solid-state chip to convert laser light into electrical power more efficiently than any other photovoltaic device available. Optical power generated by a laser diode is delivered to our proprietary PPC over noise-immune, nonconductive optical fiber to provide up to one watt of power at voltages from 2 – 12 VDC. Where necessary, the optical power can be transmitted in free space rather than over fiber. High photovoltaic conversion efficiency (up to 50 percent) makes photonic power a cost-effective means of delivering power where immunity from RF, EMI, high voltage, and lighting is essential.

The resulting electrically isolated power is used to drive remotely located sensors, gauges, actuators, and low-power transceivers and transponders with minimal attenuation. This core photonic power technology, delivered in our photonic power module (PPM) is a comprehensive solution that includes the laser, laser driver, heat-sink package, system calibration, warranty, and support.