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Room-temperature electro-optic up-conversion via internal photoemission K. J. Russella)
 

Summary: Room-temperature electro-optic up-conversion via internal photoemission
K. J. Russella)
Division of Engineering and Applied Sciences, Harvard University, Cambridge, Massachusetts 02138
Ian Appelbaum
Division of Engineering and Applied Sciences, Harvard University, Cambridge, Massachusetts 02138
and Department of Physics, Massachusetts Institute of Technology, Cambridge, Massachusetts 02139
H. Temkin
Department of Electrical Engineering, Texas Tech University, Lubbock, Texas 79409
C. H. Perry
Department of Physics, Northeastern University, Boston, Massachusetts 02115
V. Narayanamurti
Division of Engineering and Applied Sciences, Harvard University, Cambridge, Massachusetts 02138
M. P. Hanson and A. C. Gossard
Materials Department, University of California, Santa Barbara, California 93106
Received 17 January 2003; accepted 10 March 2003
We describe the fabrication and operation of a device which performs linear optical up-conversion
at room temperature. The mechanism for up-conversion is based on internal photoemission from a
Schottky contact. We then describe the voltage dependence of this device and interpret it in terms
of total energy conservation. Although an AlGaAs/GaAs system is employed here, the functionality
is not material-specific and therefore should be widely applicable to different materials systems,

  

Source: Appelbaum, Ian - Department of Physics, University of Maryland at College Park
Narayanamurti, Venky - School of Engineering and Applied Sciences, Harvard University

 

Collections: Engineering; Materials Science