An off-board quantum point contact as a sensitive detector of cantilever motion

Nature Physics

Volumn 4, Issue 8, 2008, Pages 635-638

  Poggio, M ^a,b   Jura, M P ^b   Degen, C L ^a   Topinka, M A ^b,c   Mamin, H J ^a   Goldhaber Gordon, D ^b   Rugar, D ^a  

^a IBM ALMADEN RESEARCH CENTER   (United States)

^b STANFORD UNIVERSITY   (United States)

^c Stanford University   (United States)

Author keywords

[No Author keywords available]

Indexed keywords

ELECTROMECHANICAL DEVICES; MEMS; MOTION ANALYSIS; NANOCANTILEVERS; QUANTUM CHEMISTRY; QUANTUM THEORY; TEMPERATURE;

CANTILEVER MOTION; DISPLACEMENT DETECTION; MECHANICAL SYSTEMS; MICROMECHANICAL CANTILEVERS; POSITION TRANSDUCER; QUANTUM POINT CONTACT; SENSITIVE DETECTOR; UNCERTAINTY LIMITS;

POINT CONTACTS;

EID: 48749100937     PISSN: 17452473     EISSN: 17452481     Source Type: Journal    
DOI: 10.1038/nphys992     Document Type: Article

References (26)

1. Schwab, K. C. & Roukes, M. L. Putting mechanics into quantum mechanics. Phys. Today 58, 36-42 (2005).
2. Knobel, R. G. & Cleland, A. N. Nanometre-scale displacement sensing using a single electron transistor. Nature 424, 291-293 (2003).
3. Naik, A. et al. Cooling a nanomechanical resonator with quantum back-action. Nature 443, 193-196 (2006).
4. LaHaye, M. D. et al. Approaching the quantum limit of a nanomechanical resonator. Science 304, 74-77 (2004).
5. Flowers-Jacobs, N. E., Schmidt, D. R. & Lehnert, K. W. Intrinsic noise properties of atomic point contact displacement detectors. Phys. Rev. Lett. 98, 096804 (2007).
6. Smullin, S. J. et al. Constraints on Yukawa-type deviations from Newtonian gravity at 20 microns. Phys. Rev. D 72, 122001 (2005).
7. Rugar, D., Budakian, R., Mamin, H. J. & Chui, B. W. Single spin detection by magnetic resonance force microscopy. Nature 430, 329-332 (2004).
8. Clerk, A. A., Girvin, S. M. & Stone, A. D. Quantum-limited measurement and information in mesoscopic detectors. Phys. Rev. B 67, 165324 (2003).
9. Clerk, A. A. Quantum-limited position detection and amplification: A linear response perspective. Phys. Rev. B 70, 245306 (2004).
10. Caniard, T. et al. Ultrasensitive optical measurement of thermal and quantum noises. Opt. Spectrosc. 103, 225-230 (2007).
11. Arcizet, O. et al. High-sensitivity optical monitoring of a micromechanical resonator with a quantum-limited optomechanical sensor. Phys. Rev. Lett. 97, 133601 (2006).
12. Bleszynski-Jayich, A. C., Shanks, W. E. & Harris, J. G. E. Noise thermometry and electron thermometry of a sample-on-cantilever system below 1 Kelvin. Appl. Phys. Lett. 92, 013123 (2008).
13. Mamin, H. J. & Rugar, D. Sub-attonewton force detection at millikelvin temperatures. Appl. Phys. Lett. 79, 3358-3360 (2001).
14. Nonnenmacher, M., Vaez-Iravani, M. & Wickramasinghe, H. K. Attractive mode force microscopy using a feedback-controlled fiber interferometer. Rev. Sci. Instrum. 63, 5373-5376 (1992).
15. Sidles, J. A. et al. Magnetic resonance force microscopy. Rev. Mod. Phys. 67, 249-265 (1995).
16. van Wees, B. J. et al. Quantized conductance of point contacts in a two-dimensional electron gas. Phys. Rev. Lett. 60, 848-850 (1988).
17. Wharam, D. A. et al. One-dimensional transport and the quantisation of the ballistic resistance. J. Phys. C 21, L209-L214 (1988).
18. Field, M. et al. Measurements of Coulomb blockade with a noninvasive voltage probe. Phys. Rev. Lett. 70, 1311-1314 (1993).
19. Buks, E. et al. Dephasing in electron interference by a 'which-path' detector. Nature 391, 871-874 (1998).
20. Sprinzak, D., Buks, E., Heiblum, M. & Shtrikman, H. Controlled dephasing of electrons via a phase sensitive detector. Phys. Rev. Lett. 84, 5820-5823 (2000).
21. Cleland, A. N., Aldridge, J. S., Driscoll, D. C. & Gossard, A. C. Nanomechanical displacement sensing using a quantum point contact. Appl. Phys. Lett. 81, 1699-1701 (2002).
22. Li, Y. P. et al. Low-frequency noise in transport through quantum point contacts. Appl. Phys. Lett. 57, 774-776 (1990).
23. Stipe, B. C. et al. Noncontact friction and force fluctuations between closely spaced bodies. Phys. Rev. Lett. 87, 096801 (2001).
24. Stowe, T. D. et al. Attonewton force detection using ultrathin silicon cantilevers. Appl. Phys. Lett. 71, 288-290 (1997).
25. 0.47 As/InP electron waveguides with in-plane gates. Appl. Phys. Lett. 70, 1302-1304 (1997).
26. Bruland, K. J. et al. Thermal tuning of a fiber-optic interferometer for maximum sensitivity. Rev. Sci. Instrum. 70, 3542-3544 (1999).