< Back to Contents
Memory cell: Change of the light, delayed
A new device that can store optical signals in a semiconductor and play them back at selected times promises to make optical memory chips a possibility.
References:
Zimmermann, S. . . . J.P. Kotthaus, et al. 1999. A semiconductor-based photonic memory cell. Science 283(Feb. 26):1292.
Further Readings:
Peterson, I. 1997. Sound conveyor belt for delaying photons. Science News 151(May 24):318.
______. 1996. Rebounding electrons in quantum arenas. Science News 149(April 20):247.
Sources:
Jörg P. Kotthaus
Ludwig-Maximilians University
Sektion Physik and Center for Nanoscience
Geschwister-Scholl-Platz 1
D-80539 Munich
Germany
Pierre M. Petroff
University of California, Santa Barbara
Engineering II, Room 1347A
Santa Barbara, CA 93106-5050
Claude Weisbuch
Laboratoire de Physique de la Matière Condensée
Ecole Polytechnique
URA 1254 CNRS
91128 Palaiseau Cedex
France
Achim Wixforth
Ludwig-Maximilians University
Sektion Physik and Center for Nanoscience
Geschwister-Scholl-Platz 1
D-80539 Munich
Germany
Stefan Zimmermann
Ludwig-Maximilians University
Sektion Physik and Center for Nanoscience
Geschwister-Scholl-Platz 1
D-80539 Munich
Germany
From Science News, Vol. 155, No. 9, February 27, 1999, p. 134. Copyright © 1999, Science Service.
