Charles M. Marcus
Current Organizations / Institutes
The organizations/institutes from the scholar's latest article
Research Subjects
Charles M. Marcus has a total of 5 co-authors. Here are the top co-authors by number of shared publications:
- Charles M. Lieber
Department of Chemistry and Chemical Biology, Harvard University, Cambridge, MA 02138, USA
1 shared publication David J. Reilly
Department of Physics Harvard University 02138 Cambridge Massachusetts USA
1 shared publicationHugh H. O. Churchill
Department of Physics Harvard University 02138 Cambridge Massachusetts USA
1 shared publicationJie Xiang
Department of Chemistry and Chemical Biology Harvard University 02138 Cambridge Massachusetts USA
1 shared publicationYongjie Hu
Department of Chemistry and Chemical Biology Harvard University 02138 Cambridge Massachusetts USA
1 shared publication
Latest Publications
- Open Access
Double quantum dot with integrated charge sensor based on Ge/Si heterostructure nanowires
Coupled electron spins in semiconductor double quantum dots hold promise as the basis for solid-state qubits. To date, most experiments have used III-V materials, in which coherence is limited by hyperfine interactions. Ge/Si heterostructure nanowires seem ideally suited to overcome this limitation: the predominance of spin-zero nuclei suppresses the hyperfine interaction and chemical synthesis creates a clean and defect-free system with highly controllable properties. Here we present a top gate-defined double quantum dot based on Ge/Si heterostructure nanowires with fully tunable coupling between the dots and to the leads. We also demonstrate a novel approach to charge sensing in a one-dimensional nanostructure by capacitively coupling the double dot to a single dot on an adjacent nanowire. The double quantum dot and integrated charge sensor serve as an essential building block required to form a solid-state spin qubit free of nuclear spin.
Open AccessDouble quantum dot with integrated charge sensor based on Ge/Si heterostructure nanowires
Coupled electron spins in semiconductor double quantum dots hold promise as the basis for solid-state qubits. To date, most experiments have used III-V materials, in which coherence is limited by hyperfine interactions. Ge/Si heterostructure nanowires seem ideally suited to overcome this limitation: the predominance of spin-zero nuclei suppresses the hyperfine interaction and chemical synthesis creates a clean and defect-free system with highly controllable properties. Here we present a top gate-defined double quantum dot based on Ge/Si heterostructure nanowires with fully tunable coupling between the dots and to the leads. We also demonstrate a novel approach to charge sensing in a one-dimensional nanostructure by capacitively coupling the double dot to a single dot on an adjacent nanowire. The double quantum dot and integrated charge sensor serve as an essential building block required to form a solid-state spin qubit free of nuclear spin.