GaAs-based multiple-quantum-well spatial light modulators fabricated by a wafer-scale process
Applied Optics, Vol. 44, Issue 9, pp. 1635-1641 (2005)
http://dx.doi.org/10.1364/AO.44.001635
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Abstract
The design, fabrication, and characterization of large, two-dimensional multiple-quantum-well modulator arrays are presented. Such arrays present a speed advantage compared with competing technologies such as liquid crystals and micromirrors, which are intrinsically limited to the kilohertz range. We discuss the design compromises to reach high-contrast, low-voltage swing optical structures compatible with complementary metal-oxide semiconductor-based integrated circuits and present experimental results. Contrast ratio of 5:1 (limited by the fill factor), variations in uniformity below 1 nm, and frame rates in excess of 10 kHz are demonstrated. Technology maturity for volume production is also discussed.
© 2005 Optical Society of America
OCIS Codes
(230.1480) Optical devices : Bragg reflectors
(230.5590) Optical devices : Quantum-well, -wire and -dot devices
(230.5750) Optical devices : Resonators
(230.6120) Optical devices : Spatial light modulators
Citation
Stéphane Junique, Qin Wang, Susanne Almqvist, Jianhua Guo, Henk Martijn, Bertrand Noharet, and Jan Y. Andersson, "GaAs-based multiple-quantum-well spatial light modulators fabricated by a wafer-scale process," Appl. Opt. 44, 1635-1641 (2005)
http://www.opticsinfobase.org/ao/abstract.cfm?URI=ao-44-9-1635
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