According to a news published at Science Daily, researchers were able to create tiny, highly efficient light-emitting diodes (LEDs) from nanowires. These LEDs are able to emit electromagnetic radiation in the UltraViolet range of wavelength.
As stated in the article, UV emitting diodes can be used in many fields, including data storage. All produced diodes showed very similar emission properties. They also displayed excellent thermal stability (withstanding temperatures up to 750 degrees Celsius) and operational stability, showing no signs of deterioration even after two continuous hours of operation at room temperature. These properties indicate that this LED production method yields reliable, stable devices.
I wonder if after shifting from red lasers to blue ones in current Blu-ray and HD-DVD devices, UV wavelengths will represent a further evolution of optical data storage.
