Cover Story

Progress in fabrication rate and materials has made possible improved fiber designs and enhanced optical properties. more>>


Radar and electronic warfare applications of multigigahertz optical components and systems

Recent advances in wideband components for use in optical fiber systems have been very impressive. Laser diodes have shown 3 dB modulation band-widths near 20 GHz at room temperature and external modulators with similar high-frequency performance have been reported. Bandwidths as high as 100 GHz have been achieved in semiconductor photodiodes. Performance of these components at such high frequencies opens a new realm of possibilities for the use of optics in military systems. more>>

NBS: Meeting industry standards?

This month we leave the usual optical standards reporting per se and review a document of wider yet related interest. In October 1986, Congress charged the director of the National Bureau of Standards to prepare a report outlining the Bureau's support of industry and other government agencies in the area of "process and quality control and calibration programs". more>>

Contemplating an invention? Frederic Ives would say Go for it!

A picture isn't worth a thousand words if it looks fuzzy, and Ives used optics to attack that printing problem. more>>

Deamplification of quantum noise and quantum nondemolition detection in optical fibers

To understand how lower noise levels are possible and how low noise light might be produced, one must build a new model of quantum noise. more>>


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