Jonas Zmuidzinas

  • B.S. Physics, California Institute of Technology (1981)
  • Ph.D. Physics, University of California, Berkeley (1987)

Research Interests: 
  • Submillimeter and far-infrared astrophysics and instrumentation
  • Photon detection, including superconducting detectors and multiplexing techniques

Professional Experience: 


  • Jet Propulsion Laboratory (2005-present)
    • Director, Microdevices Laboraratory (2007-present)
    • Senior Research Scientist (2006-present)
    • Caltech/JPL Joint Appointment (2005-present)
  • California Institute of Technology (1990-present)
    • Professor of Physics (2000-present)
    • Associate Professor of Physics (1995-2000)
    • Assistant Professor of Physics (1990-1995)
  • University of Illinois - Postdoctoral Researcher with Profs. K.-Y. Lo and D. Van Harlingen (1988-89)
  • University of California, Berkeley - Graduate student with Dr. A. L. Betz and Prof. R. L. Genzel (1981-87)


  • Herschel Space Observatory: 1.2 THz mixer for the HIFI instrument
  • SOFIA Airborne Observatory: CASIMIR 0.5-1.4 THz heterodyne spectrometer
  • Zspec: A broadband millimeter-wavelength grating spectrometer
  • MUSIC: MUltiwavelength Sub/millimeter kinetic Inductance Camera for the Caltech Submillimeter Observatory
  • CCAT: A 25m submillimeter telescope on Cerro Chajnantor, Chile

Selected Awards: 
  • NSF Presidential Young Investigator (1990-95)
  • ASCIT Teaching Award (1995)
  • Scottish Universities Physics Alliance (SUPA) Distinguished Visitor (2007)

Selected Publications: 
  1. J. Zmuidzinas and H. G. LeDuc, "Quasi-optical slot antenna SIS mixers," IEEE Trans. Microwave Theory Tech., vol. MTT-40, pp. 1797-1804, 1992.
  2. D. A. Neufeld, J. Zmuidzinas, P. Schilke, and T. G. Phillips, "Discovery of interstellar hydrogen fluoride," Ap. J. (Lett.), vol. 488, pp. L141-L144, Oct. 1997.
  3. J. S. Ward, J. Zmuidzinas, A. I. Harris, and K. G. Isaak, A12CO J = 6 - 5 Map of M82: The significance of warm molecular gas," Ap. J., vol. 587, pp. 171-185, Apr. 2003.
  4. P. Day, H. G. LeDuc, B. A. Mazin, A. Vayonakis, and J. Zmuidzinas, "A broadband superconducting detector suitable for use in large arrays," Nature, vol. 425, pp. 817-821, Oct. 2003.
  5. J. Zmuidzinas and P. L. Richards, "Superconducting detectors and mixers for millimeter and submillimeter astrophysics," Proc. IEEE, vol. 92, pp. 1597-1616, Oct. 2004.
  6. J. Gao, M. Daal, A. Vayonakis, S. Kumar, J. Zmuidzinas, B. Sadoulet, B. A. Mazin, P. K. Day, and H. G. Leduc, "Experimental evidence for a surface distribution of two- level systems in superconducting lithographed microwave resonators," Applied Physics Letters, vol. 92, p. 152505, Apr. 2008.
  7. C. M. Bradford, J. E. Aguirre, R. Aikin, J. J. Bock, L. Earle, J. Glenn, H. Inami, P. R. Maloney, H. Matsuhara, B. J. Naylor, H. T. Nguyen, and J. Zmuidzinas, "The Warm Molecular Gas around the Cloverleaf Quasar," Ap. J., vol. 705, pp. 112-122, Nov. 2009.
Jonas Zmuidzinas
4800 Oak Grove Dr.
Pasadena, CA 91109
Phone: 818.393.1086
Fax Number: 818.354.8895