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Proceedings Paper

Beam position noise and other fundamental noise processes that affect optical storage
Author(s): David Levenson
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Paper Abstract

The semiconductor diode lasers that are used for optical data storage are known to show large intensity noise. One means of rejecting such noise is to use a differential split detector to read stored data as well as to follow servo tracks etc. Such a strategy is subject to beam position noise a hitherto obscure effect which cannot always be neglected. This paper will discuss the management of diode laser noise which -under ideal conditions - can actually be pushed below the shot noise limit.

Paper Details

Date Published: 1 March 1991
PDF: 13 pages
Proc. SPIE 1376, Laser Noise, (1 March 1991); doi: 10.1117/12.25004
Show Author Affiliations
David Levenson, IBM/Almaden Research Ctr. (United States)


Published in SPIE Proceedings Vol. 1376:
Laser Noise
Rajarshi Roy, Editor(s)

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