Hamidreza Ramezani Winner of Biruni 2014 Award
 
 
Hamidreza Ramezani 
 
Education:
  • 2009 – Nov. 2013, Ph.D. physics, Wesleyan University, USA “Non-Hermitian wave mechanics: application to integrated photonics and electronics” 
  • 2004 - 2007, M.S. physics, Tehran University, Iran, “General relativity without time” 
  • 2000 - 2004, B.S. physics, Shahed University, Iran 
Professional Experience:
  • Postdoctoral research associate, Dec. 2013 - Present, University of California, Berkeley, USA 
  • Graduate research assistant, Sept. 2010 – Dec. 2013, Wesleyan University, USA 
  • Teaching assistant, Sept. 2009 - May 2010, Wesleyan University, USA 
  • Research assistant, July 2007 - Aug. 2009, Aerospace Research Institute, Iran 
Research Interest:
  • Non–Hermitian integrated photonics, 
  • Non–linear dynamics and wave propagation in complex photonic lattices, 
  • Asymmetric transport, 
  • Transport in graphene, 
  • Modeling of transport theories in random media
Professional Activities: 
  • Reviewer for Optics Letters/JOSAB, Optical Society (OSA), Europhysics Letters (EPL) 
  • Reviewer for the International Conference on Computer Engineering & Systems (ICCES) 
  • Member of American Physical Society, 2009 – Present 
  • Member of IrAP network group, 2013 – Present 
Honors and Fellowships: 
  • Third ranked in IrAP "Biruni" graduate student research award, 2013 
  • Best teaching assistant by the vote of the students, Wesleyan University, 2012 
  • Research fellowship (full tuition remission and stipends), Wesleyan University, 2010 – 2013
  • Top student by GPA, physics department, Shahed University, 2000 – 2004 
Publications:
  1. H. Ramezani, S. Kalish, I. Vitebskiy, T. Kottos, “Unidirectional lasing emerging from frozen light in nonreciprocal cavities”, Phys. Rev. Lett. 112, 043904 (2014) 
  2. F. Nazari, M. Nazari, M. K. Morravej-Farshi, H. Ramezani, “Assymetric evolution of interacting solitons in parity time symmetric cells”, Quantum Electronics, IEEE Journal, vol.49, no.11, pp.932,938, Nov. 2013 
  3. N. Bender, S. Factor, J. Bodyfelt, H. Ramezani, D. N. Christodoulides, F. M. Ellis, T. Kottos, “Experimental observation of asymmetric transport in active nonlinear structures”, Phys. Rev. Lett. 110, 234101 (2013)
  4. H. Ramezani, Z. Lin, S. Kalish, V. Kovanis, I. Vitebskiy, T. Kottos, “Taming the flow of light via active magneto-optical impurities”, Optics Express Vol. 20, Issue 24, pp. 26200-26207 (2012) 
  5. J. Schindler, Z. Lin, J. M. Lee, H. Ramezani, F. M. Ellis, T. Kottos, “PT-symmetric electronics” J. Phys. A: Math. Theor. 45, 444029 (2012) 
  6. H. Ramezani, D. N. Christodoulides, V. Kovanis, I. Vitebskiy, T. Kottos, “PT-symmetric Talbot effects”, Phys. Rev. Lett 109, 033902 (2012) 
  7. H. Ramezani, J. Schindler, F. M. Ellis, U. Gunther, T. Kottos, “Bypassing the bandwidth theorem with PT symmetry”, Phys. Rev. A 85, 062122 (2012) 
  8. H. Ramezani, T. Kottos, V. Kovanis, D. N. Christodoulides, “Exceptional-point dynamics in photonic honeycomb lattices with PT symmetry”, Phys. Rev. A 85, 013818 (2012) 
  9. H. Ramezani, T. Kottos, V. Shuvayev, L. Deych, “Ab initio description of nonlinear dynamics of coupled microdisk resonators with application to self-trapping dynamics”, Phys. Rev. A 83, 053839 (2011) 
  10. Z. Lin, H. Ramezani, T. Eichelkraut, T. Kottos, H. Cao, D. N. Christodoulides, “Unidirectional invisibility induced by PT -symmetric periodic structures“, Phys. Rev. Lett. 106, 213901 (2011)2 
  11. H. Ramezani, T. Kottos, R. El-Ganainy, D. N. Christodoulides, “Unidirectional nonlinear PT - symmetric optical structure”, Phys. Rev. A 82, 043803 (2010)3 
  12. T. Kottos, H. Ramezani, Z. Lin, T. Eichelkraut, H. Cao, D. N. Christodoulides, “Unidirectional invisibility of photonic periodic structures induced by PT-symmetric arrangements”, Frontiers in Optics (FiO) San Jose, California, Order, Disorder and Symmetry in Photonic Structures II (FWM) (2011) 
  13. H. Ramezani, Z. Lin, T. Kottos, D. N. Christodoulides, “Optical diodes in nonlinear structures with parity-time symmetries” Proc. SPIE 8095, 80950L (2011) 
  14. H. Ramezani, Z. Lin, T. Eichelkraut, T. Kottos, Hui Cao, and D. N. Christodoulides, “Broad band unidirectional invisibility using PT symmetry”, In Quantum Electronics and Laser Science Conference, OSA Technical Digest (CD) (Optical Society of America, 2011), paper QMA3 
  15. H. Ramezani, T. Kottos, R. El-Ganainy, and D. N. Christodoulides, “Nonlinear PT-symmetric optical diode”, In Frontiers in Optics, OSA Technical Digest (CD) (Optical Society of America, 2010), paper FWG4 Submitted papers  
  16. F. Nazari, N. bender, H. Ramezani, M. K. Morravej-Farshi, D. N. Christodoulides, T. Kottos, “Optical isolation via PT-symmetric nonlinear Fano resonances”, (submitted 2013) 
  17. E. Makri, H. Ramezani, I. Vitebskiy, T. Kottos, “Nonlinear localized modes give rise to a reflective optical limiter”, (submitted 2013) 
  18. M. Chitsazi, S Factor, J. Shindler, H. Ramezani, F. M. Ellis, T. Kottos, “Experimental observation of stabilization and lasing death via asymmetric gain ”, (submitted 2013)

Who are we? 

  

We are members of the American Physical Society proud of our Iranian Heritage