AAWSAP DIRD, Quantum Computing and Utilizing Organic Molecules in Automation Technology, December 2010

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Contents
Summary........................................................................................................................ 5
Introduction ................................................................................................................... 7
Ultrafast Computing Power in Aerospace Applications ................................................... 7
Making Digital Circuits Faster..................................................................................... 8
Applications of Quantum Computers ........................................................................ 10
The Closed Box and Fault Tolerance ......................................................................... 11
Scalability ................................................................................................................ 12
Universal Logic......................................................................................................... 12
Initialization and Measurement................................................................................ 13
The Quantum Dot Approach ................................................................................. 13
Electrostatic Quantum Dots in Graphene.............................................................. 14
Quantum Dots in Graphene Nanoribbons ............................................................. 15
Graphene Disc in Single-Layer Graphene ............................................................. 16
Graphene Disc in Bilayer Graphene ...................................................................... 17
Manipulation of Spin Qubits in Graphene Quantum Dots Relative to GaAs ........... 18
Spin Relaxation and De-phasing in Graphene Quantum Dots ............................... 19
Spin Relaxation Due to Spin-orbit Interaction ...................................................... 20
Research with Graphene Quantum Dots ............................................................... 21
Summary of Additional Inorganic Technologies ....................................................... 21
Photon Technologies ............................................................................................ 21
Ion and Atomic Trap Technologies ....................................................................... 22
Nuclear Magnetic Resonance (NMR) Technologies ............................................... 22
Superconducting Technologies ............................................................................. 22
DNA-based Designs for Molecular Computers........................................................... 23
DNA Background .................................................................................................. 23
Error Suppression Mechanisms in DNA Self-Assembly.......................................... 28
Self-assembly with DNA-based Microfluidic Devices ............................................ 31
DNA Origami ........................................................................................................ 32
Engineering DNA-Based Logic Gates .................................................................... 35
Logic Operation by Deoxyribozymes .................................................................... 35
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