Room-temperature quantum well infrared modulator using a Schottky diode
- 1 April 1996
- journal article
- Published by AIP Publishing in Applied Physics Letters
- Vol. 68 (14) , 1904-1906
- https://doi.org/10.1063/1.116289
Abstract
A reverse biased Schottky diode is used to deplete the population in quantum wells and to modulate the intersubband absorption coefficient. This middle infrared electro‐optic modulator works at room temperature. A waveguide geometry is demonstrated, with only six quantum wells. The 14% modulation could easily be enhanced by optimizing the quantum well overlap with the optical guided mode of the waveguide.Keywords
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