COMPUTING WITH QUANTUMDOT CELLULAR AUTOMATA - Bio-Inspired and Nanoscale Integrated Computing - page 127

500 500

Clock waveform

1

400 400

0

300 300

− 1

200 200

0 0.5 1

1/ T

100

100

0 0

100

− 100 −

− 200 − 200

− 300 − 300

− 400

− 400

500
−

− 500

−

−

500 − 400 − 300 − 200 − 100 0 100 200 300 400 500 500 − 400 − 300 − 200 − 100 0 100 200 300 400 500

x(nm) x (nm)

(b)

(a)

Figure 4.16. Using an eight-phase clocking network, coplanar crossover is possible by timing the
information flow across a crossover point [30]. Reprinted with permission from E.P. Blair.