Abstract
Many research groups and industrial initiatives are pursuing the technological development of vertical-cavity devices, inspired by their applications in advanced optoelectronic systems and in fundamental physics research on photonic band structure and cavity quantum electrodynamics. Vertical-cavity surface emitting laser arrays are now commercially available. Rapid and nondestructive evaluation of the laser material is important in manufacturing these arrays, either for feedback to the crystal grower or for quality assessment prior to device processing.
© 1993 Optical Society of America
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