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Milchberg, Howard

A.V. Williams Building, Rm. 1415
(301) 405-4816

Research Interests 

Nonlinear optics, laser and optical physics, interaction of intense electromagnetic fields with atoms, solids, and plasmas; generation and application of coherent and incoherent short wavelength radiation.


B.Eng. (1979, Engineering Physics), McMaster Univ.; Ph.D. (1985, Astrophysical Sciences), Princeton Univ.; AT&T Bell Laboratories (1985-87); Assistant Prof.(1988-1993), Assoc. Prof. (1993-95), Professor (1995-present) Univ. of Maryland

Selected Publications 

MeV electron acceleration at 1 kHz with <10 mJ laser pulses
F. Salehi, A.J. Goers, G.A. Hine, L. Feder, D. Kuk, K.Y. Kim, and H.M. Milchberg, Opt. Lett. 42, 215 (2017)

Spatio-temporal optical vortices
N. Jhajj, I. Larkin, E.W. Rosenthal, S. Zahedpour, J. K. Wahlstrand, and H. M. Milchberg, Phys. Rev. X 6, 031037 (2016)

Multi-MeV electron acceleration by sub-terawatt laser pulses
A.J. Goers, G.A. Hine, L. Feder, B. Miao, F. Salehi, J.K. Wahlstrand, and H.M. Milchberg, Phys. Rev. Lett. 115, 194802 (2015)

Measurement of the nonlinear refractive index of air constituents at mid-infrared wavelengths
S. Zahedpour, J. K. Wahlstrand, and H. M. Milchberg, Opt. Lett. 40, 5794 (2015)

Absolute measurement of the ultrafast nonlinear electronic and rovibrational response in H2 and D2
J. K. Wahlstrand, S. Zahedpour, Y.-H. Cheng, J. P. Palastro, and H. M. Milchberg, Phys. Rev. A 92, 063828 (2015)

Quasi-phasematched laser wakefield acceleration
S. J. Yoon, J. P. Palastro, and H. M. Milchberg, Phys. Rev. Lett. 112, 134803 (2014).

Quantum control of molecular gas hydrodynamics
S. Zahedpour, J.K. Wahlstrand, and H. M. Milchberg, Phys. Rev. Lett. 112, 143601 (2014)

Demonstration of long-lived high power optical waveguides in air
N. Jhajj, E.W. Rosenthal, R. Birnbaum, J. K. Wahlstrand, and H. M. Milchberg, Phys. Rev. X 4, 011027 (2014)

Direct imaging of the acoustic waves generated by femtosecond filaments in air
J. K. Wahlstrand, N. Jhajj, E. W. Rosenthal, S. Zahedpour, and H. M. Milchberg, Opt. Lett. 39, 1290 (2014)

Collection of remote optical signals by air waveguides
E. W. Rosenthal, N. Jhajj, J. K. Wahlstrand, and H. M. Milchberg, Optica 1, 5 (2014)

The extreme nonlinear optics of gases and femtosecond optical filamentation
H. M. Milchberg, Y.-H. Chen, Y.-H. Cheng, N. Jhajj, J. P. Palastro, E. W. Rosenthal, S. Varma, J. K. Wahlstrand, and S. Zahedpour, Phys. Plasmas 21, 100901 (2014)

Optical mode structure of the air waveguide
N. Jhajj, J.K. Wahlstrand, and H.M. Milchberg, Opt. Lett. 39, 6312 (2014)

Laser wakefield acceleration of electrons with ionization injection in a pure N5+ plasma waveguide
A.J. Goers, S.J. Yoon, J.A. Elle, G.A. Hine, and H.M. Milchberg, Appl. Phys. Lett. 104, 214105 (2014).

Honors and Awards 

    •    Clark School of Engineering Outstanding Faculty Research Award (2016)
    •    Fellow, Optical Society of America (2012)
    •    Fellow, American Physical Society (1995)
    •    American Physical Society (APS) Excellence in Plasma Physics Award (2005)
    •    Distinguished Scholar-Teacher Award, University of Maryland (2005-2006)
    •    Supervisor of American Physical Society Division of Plasma Physics Dissertation Award Winner (1999, 2004, 2012)
    •    NSF Presidential Young Investigator (1988)

Related News 

Clark School Researchers Represented on Four 2017 MURI Awards
UMD is one of the top universities represented among the highly competitive grants awarded this year. May 1, 2017

Waks, Chellappa, Milchberg and Sprangle Participate in Different Department of Defense MURI Projects
Research teams at UMD receive grants for multidisciplinary research initiatives. April 25, 2017

Milchberg and Khaligh Receive 2016 Junior and Senior Faculty Outstanding Research Awards
Prof. Milchberg and Prof. Khaligh are the 2016 Senior and Junior Faculty Outstanding Research Award recipients for their exceptional and highly influential research accomplishments September 26, 2016

UMD Physicists Discover “Smoke Rings” Made of Laser Light
3D ring structures made by high-intensity lasers could aid the design of powerful microscopes and more efficient telecommunication lines September 9, 2016

Ulukus Named 2016-2017 Distinguished Scholar-Teacher by University of Maryland
The Distinguished Scholar-Teacher Program honors members of UMD faculty who have demonstrated outstanding scholarly achievements along with equally outstanding accomplishments as teachers. April 19, 2016

UMD Discovery Could Enable Portable Particle Accelerators
Innovation could hold the key to ultra-compact machines useful for materials science and medical imaging November 6, 2015

UMD Ties with Stanford, MIT for Most Researchers on 2015 DOD Multidisciplinary Research Grants
UMD Represented on 6 of 22 Teams Awarded University Research Initiative Grants by the Department of Defense June 9, 2015

Milchberg Lab Featured in APS Viewpoint
Intense Laser Matter Interactions Group make science fiction a reality in new paper. March 21, 2014

Ghodssi Named UMD Distinguished Scholar-Teacher
Professor Ghodssi is the 12th ECE Professor to be honored as a Distinguished Scholar-Teacher. March 19, 2014

Sprangle Awarded 2013 Maxwell Prize
A. James Clark School of Engineering professor recognized for pioneering contributions in plasma physics. July 3, 2013