Dr. Avner Fleischer

Dr. Avner Fleischer

Dr. Avner Fleischer

Department: Optical Engineering
Current Position: Senior Lecturer

Education :

Ph.D.2001-2007 (direct track) Chemistry. Supervisor: Prof. Nimrod Moiseyev. Faculty of Chemistry, Technion, Haifa, Israel.

B.Sc.1997-2001, Chemical Engineering (Summa cum laude). Faculty of Chemical Engineering, Technion, Haifa, Israe

B.A.1997-2001, Chemistry (Summa cum laude). Faculty of Chemistry, Technion, Haifa, Israel.

Research Interests
  • 1. high-harmonic generation
  • 2. nonlinear optics
  • 3. attosecond science
  • 4. femtoseond lasers
  • 5. photoelectron-photoion coincidence experiments
  • 6. quantum mechanics



Refereed Papers


  1. Pavel Sidorenko, Ofer Kfir, Yoav Shechtman, Avner Fleischer, Yonina C. Eldar, Mordechai Segev and Oren Cohen,”Sparsity-based super-resolved phase-retrieval of one-dimensional optical information”, passed editorial screening in Nature Photonics.
  2. A. Fleischer, O. Kfir, P. Sidorenko and O. Cohen,”High-order harmonics with frequency-varying polarization within each harmonic”, submitted to Phys. Rev. Lett..Accepted
  3. A. Fleischer, O. Kfir, T. Diskin, P. Sidorenko and O. Cohen,”Bright high-order harmonics with controlled polarization”, Optics and Photonics News, Special Issue: Optics in 2014.
  4. Ofer Kfir, Patrik Grychtol, Emrah Turgut, Ronny Knut, Dmitriy Zusin, Dimitar Popmintchev, Tenio Popmintchev, Hans Nembach, Justin M. Shaw, Avner Fleischer, Henry Kapteyn, Margaret Murnane and Oren Cohen, “Generation of phase-matched circularly-polarized extreme ultraviolet high harmonics for magnetic circular dichroism spectroscopy”, to be published in Nature Photonics.Published
  5. A. Fleischer, O. Kfir, T. Diskin, P. Sidorenko and O. Cohen,”Spin angular momentum and tunable polarization in high-harmonic generation”, Nature Photonics 8 543 (2014).**see News & Views by M. Ivanov and E. Pisanty, Nature Photonics 8 501 (2014).
  6. A. Fleischer, P. Sidorenko and O. Cohen, “Generating high harmonics with controllable elliptical polarizations”, Optics Letters 38 223 (2013).
  7. O. Lahav, H. Gurgov, P. Sidorenko, O. Peleg, L. Levi, A. Fleischer and O. Cohen, “SPM spectral broadening in 2D spatial solitons: towards three-dimensional spatiotemporal pulse-train solitons”, Optics Letters 37 5196 (2012).
  8. M. Kozlov, O. Kfir, A. Fleischer, A. Kaplan, T. Carmon, H. G. L. Schwefel,  G. Bartal and O. Cohen, “Narrow-bandwidth high-order harmonics driven by long duration hot spots”, New Journal of Physics  14 063036 (2012).
  9. O. Kfir, M. Kozlov, A. Fleischer and O. Cohen, “Attosecond pulses with sophisticated spatio-spectral waveforms: spatio-spectral Airy and auto-focusing beams”, Optics Express 19 21730 (2011).
  10. A. Fleischer, H. J. Wӧrner, L. Arissian, L. Liu, M. Meckel, A. Rippert, R. Dӧrner, D. M. Villeneuve, P. B. Corkum and A. Staudte, “Probing Angular Correlations In Sequential Double Ionization”, Phys. Rev. Lett. 107 113003 (2011).
  11. L. Chuntonov, A. Fleischer and Z. Amitay, “Weak Field Multiphoton Femtosecond Coherent Control in the Single-Cycle Regime”, Optics Express 19 6865 (2011).
  12. H. C. Bandulet, D. Comtois, E. Bisson, A. Fleischer, H. Pepin, J. C. Kieffer, P. B. Corkum, and D. M. Villeneuve, “Gating attosecond pulse train generation using multicolor laser fields”, Phys. Rev. A81013803 (2010).
  13. A. Fleischer, “Generation of Higher-Order Harmonics upon the Addition of High Frequency XUV Radiation to IR Radiation: Generalization of the Three-Step Model”, Phys. Rev. A.  78 053413 (2008).
  14. A. Fleischer and N. Moiseyev, “Amplification of High Harmonics Using Weak Perturbative High Frequency Radiation”, Phys. Rev. A77 010102(R) (2008).
  15. A. Fleischer and N. Moiseyev, “Attosecond Laser Pulse Synthesis using Bichromatic High Harmonic Generation”, Phys. Rev. A74 053806 (2006).
  16. A. Fleischer and N. Moiseyev, “Adiabatic Theorem for Non-Hermitian Time-Dependent Open Systems”, Phys. Rev. A72 032103 (2005).
  17. I. Gilary, A. Fleischer and N. Moiseyev, “Calculation of time-dependent observables in non-Hermitian quantum mechanics: The problem and a possible solution”, Phys. Rev. A72 012117 (2005).
  18. A. Fleischer, A. K. Gupta and N. Moiseyev, “Symmetries in Bichromatic High-Order Harmonic Generation and Intense-Field Ionization”, I. J. Q. Chemistry103(6) 824 (2005).
  19. A. Fleischer, V. Averbukh and N. Moiseyev, “Non-Hermitian Quantum Mechanics vs. the Conventional One: Effect of the Relative Phase on the High-Order Harmonic Generation Spectra of Atoms in High Intensity Bichromatic Fields”, Phys. Rev. A69 043404/1 (2004).

Conference Proceedings and Abstracts

1) 10/2014 – “Annual General Assembly of COST Action MP1203 (Advanced x-ray spatial and temporal metrology)” Dubrovnik, Croatia.

Invited talk: “Spin angular momentum and tunable polarization in high-harmonic generation” Avner Fleischer et. al.

2) 03/2014 – “HILAS Conference (High Intensity Lasers and High-Field Phenomena)” Berlin, Germany.

Oral presentation: “Bright High-Order Harmonics with Fully Controlled Polarization by Wave-Mixing Pumps with Controlled Spins ” Avner Fleischer et. al.

3) 12/2013 – “CHILI  Conference ( Conference on High Intensity Laser and attosecond science in Israel)” Tel-Aviv, Israel .

Invited talk: “High-Harmonic Generation with Fully Controlled Polarization: Examination of the Role of Spin Angular Momentum in Extreme Non-Linear Optics” Avner Fleischer et. al.

4) 06/2013 – “2013 CLEO/QELS (Laser Science to Photonic Applications)” San Jose, CA, USA .

Oral presentation: “High-Order Harmonics of Bichromatic Counter-Rotating Elliptically-Polarized Drivers: Fully Controlled Polarization State and Novel Selection Rules” Avner Fleischer et. al.

5) 04/2013 – “Batsheva de Rothschild Seminar on Light-Matter Interactions, Kibbutz Ein Gedi, Israel .

Invited talk: “The photoelectric effect: interferometric measurement of the electron’s origin of birth” Avner Fleischer et. al.

6) 12/2012 – “CHILI  Conference ( Conference on High Intensity Laser and attosecond science in Israel)” Tel-Aviv, Israel .

Invited talk: “Generating high harmonics with desirable elliptical polarizations” Avner Fleischer et. al.

7) 10/2012 – “2012 FIO/LS (Frontiers in Optics/ Laser Science) meeting” Rochester, NY, USA .

Oral presentation: “Highly circularly-polarized high-harmonics from atoms” Avner Fleischer et. al.

8)  06/2010 – “Gordon Research Conference on Multiphoton Processes” Tilton School, New Hampshire , USA.

“Hot topic” lecture and poster presentation- “Probing Electron Correlation by Laser Induced Tunnel Ionization” Avner Fleischer et. al.

Academic Appointments

2013 – present – Senior lecturer, ORT Braude College, Department of Physics and Optical Engineering.

2011– present – Researcher, Solid State Institute and Physics department, Technion, Haifa, Israel.

2009 – 2011 – Visiting Scientist, Solid State Institute and Physics department, Technion, Haifa, Israel.

2007 – 2009 – Rothschild Post-doc Fellow, NRC-SIMS-AMOS, Ottawa,  Canada.

Supervisors: Profs. Paul Corkum, David Villeneuve, Andre Staudte.

2007 – 2007 –  Post-doc Fellow, the Faculty of Chemistry, Technion, Haifa, Israel.

Teaching Experience

ORT Braude College of Engineering:2013- Advanced Optics (391430), Advanced Optics Lab I (391415), Interferometry and Interferometric Microscopy (391540), Physics I (11021).

2014- Light sources and Lasers (391310).

Academic and Professional Awards and Grants

2014-2018- ISF research grant 1225/14-“Generation and application of circularly and  elliptically

polarized high-order harmonics”,

Avner Fleischer (PI, Braude) and Oren Cohen (PI, Technion)-

360kNIS/year for 4 years, equally divided.

2007- Rothschild Postdoctoral Fellowship.
2007- Schulich Postdoctoral Fellowship.
2007- ICS prize for PhD students.
2006- Wolf’s prize for PhD students.
2003-2004, 2004-2005- Neeman scholarship.
2003- Wolf’s prize for MA students.
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