General Lab Information

Olli-Pentti Saira

Associate Scientist


  • Ph.D., Engineering Physics, Aalto University (Finland), 2013
  • M.Sc., Physics, Helsinki University of Technology (Finland), 2007

Professional Appointments

  • 2019-present, Associate Scientist, Brookhaven National Laboratory
  • 2016-2019, Postdoctoral Scholar, California Institute of Technology (Professor M. Roukes)
  • 2014-2016, Postdoctoral Researcher, Aalto University (Professor J. Pekola)
  • 2013-2014, Postdoctoral Researcher, Delft University of Technology (TU Delft) (Professor L. DiCarlo)
  • 2008-2009, Design Engineer (modem algorithms), Nokia Devices/Wireless Modem

Awards & Recognition

  • Member, Reviewer Board for Entropy, an open-access journal.

Selected Publications & Research Highlights

Saira O-P, MH Matheny, R Katti, W Fon, G Wimsatt, JP Crutchfield, S Han, and ML Roukes (2020). Nonequilibrium thermodynamics of erasure with superconducting flux logic. Physical Review Research 2(1):013249. DOI: 10.1103/PhysRevResearch.2.013249.

Saira O-P, MH Matheny, L Wang, J Pekola, and M Roukes (2020). Modification of electron-phonon coupling by micromachining and suspension. Journal of Applied Physics 127(2):024307. DOI: 10.1063/1.5132948.

Vesterinen V, O-P Saira, I Räisänen, M Möttönen, L Grönberg, J Pekola, and J Hassel (2017). Lumped-element Josephson parametric amplifier at 650 MHz for nano-calorimeter readout. Superconductor Science and Technology 30(8):085001. DOI: 10.1088/1361-6668/aa73ed.

Saira O-P, M Zgirski, KL Viisanen, DS Golubev, and JP Pekola (2016). Dispersive Thermometry with a Josephson Junction Coupled to a Resonator. Physical Review Applied 6(2):024005. DOI: 10.1103/PhysRevApplied.6.024005.

Ristè D, S Poletto, M-Z Huang, A Bruno, V Vesterinen, O-P Saira, and L DiCarlo (2015). Detecting bit-flip errors in a logical qubit using stabilizer measurements. Nature Communications 6:6983. DOI: 10.1038/ncomms7983.

Saira O-P, JP Groen, J Cramer, M Meretska, G de Lange, and L DiCarlo (2014). Entanglement Genesis by Ancilla-Based Parity Measurement in 2D Circuit QED. Physical Review Letters 112(7):070502. DOI: 10.1103/PhysRevLett.112.070502.

Pekola JP, O-P Saira, VF Maisi, A Kemppinen, M Möttönen, YA Pashkin, and DV Averin (2013). Single-electron current sources: Toward a refined definition of the ampere. Reviews of Modern Physics 85(4):1421-1472. DOI: 10.1103/RevModPhys.85.1421.

Saira O-P, A Kemppinen, VF Maisi, and JP Pekola (2012). Vanishing quasiparticle density in a hybrid Al/Cu/Al single-electron transistor. Physical Review B 85(1):012504. DOI: 10.1103/PhysRevB.85.012504.

Kuopanportti P, M Möttönen, V Bergholm, O-P Saira, J Zhang, and KB Whaley (2008). Suppression of 1/f?α noise in one-qubit systems. Physical Review A 77(3):032334. DOI: 10.1103/PhysRevA.77.032334.

Saira O-P, V Bergholm, T Ojanen, and M Möttönen (2007). Equivalent qubit dynamics under classical and quantum noise. Physical Review A 75(1):012308. DOI: 10.1103/PhysRevA.75.012308.

Saira O-P, M Meschke, F Giazotto, AM Savin, M Möttönen, and JP Pekola (2007). Heat Transistor: Demonstration of Gate-Controlled Electronic Refrigeration. Physical Review Letters 99(2):027203. DOI: 10.1103/PhysRevLett.99.027203.