**Publications**
M. Parto, S. Wittek, H. Hodaei, G. Harari, M. A. Bandres, J. Ren, M. C. Rechtsman, M. Segev, D.N. Christodoulides, and M. Khajavikhan

"Complex Edge-State Phase Transitions in 1D Topological Laser Arrays"

Physical Review Letters, ACCEPTED

M. Parto, S. Wittek, H. Hodaei, G. Harari, M. A. Bandres, J. Ren, M. C. Rechtsman, M. Segev, D.N. Christodoulides, and M. Khajavikhan

"Edge-Mode Lasing in 1D Topological Active Arrays"

Physical Review Letters, 120(11), #113901

H. Hodaei, A.U. Hassan, S. Wittek, H. Garcia-Gracia, and R. El-Ganainy

"Corrections & amendments"

Nature, 551, pp. 30

W. Hayenga, M. Parto, H. Hodaei, P.L. LiKamWa, D.N. Christodoulides, and M. Khajavikhan

"Coupled metallic nanolaser arrays"

Conference on Lasers and Electro-Optics (CLEO), San Jose, California, FTu3H.7

2017

H. Hodaei, A.U. Hassan, S. Wittek, H. Garcia-Gracia, R. El-Ganainy, D.N. Christodoulides, and M. Khajavikhan

"Enhanced sensitivity at higher-order exceptional points"

Nature, 548(7666), pp. 187. Related articles: OPN: https://www.osa-opn.org/home/articles/volume_29/january_2018/departments/exceptional_points_an_emerging_tool_for_sensor_ap/, Physics Today: http://physicstoday.scitation.org/doi/full/10.1063/PT.3.3717

H. Hodaei, A.U. Hassan, H. Garcia-Gracia, W.E. Hayenga, D.N. Christodoulides, and M. Khajavikhan

"Enhanced sensitivity in PT-symmetric coupled resonators"

Laser Resonators, Microresonators, and Beam Control XIX, Proceedings of SPIE, 10090

H. Hodaei, A. U. Hassan, S. Wittek, M. Parto, H. Garcia-Garcia, R.A.H. El-Ganainy, D.N. Christodoulides, M. Khajavikhan

"Higher-order exceptional points in photonic systems"

Active Photonic Platforms IX, Vol. 10345, pp. 1034523

H. Hodaei, A. U. Hassan, S. Wittek, M. Parto, H. Garcia-Garcia, R.A.H. El-Ganainy, D.N. Christodoulides, M. Khajavikhan

"Higher-order exceptional points in photonic systems"

SPIE Optics and Photonics, San Diego, California

H. Hodaei

"Novel photonic resonance arrangements using non-hermitian exceptional points"

A dissertation submitted in partial fulfillment of the requirements for the degree of Doctor of Philosophy in CREOL, The College of Optics and Photonics at the University of Central Florida Orlando

H. Hodaei, A.U. Hassan, D.N. Christodoulides, and M. Khajavikhan

"Pt-symmetric micro-resonators: high sensitivity at exceptional points"

Conference on Lasers and Electro-Optics (CLEO), San Jose, California, FTh3D.2

S. Wittek, M. Parto, H. Hodaei, G. Harari, M. Bandres, M. Rechtsman, M. Segev, D.N. Christodoulides, M. Khajavikhan

"PT-symmetry breaking of topological edge-states in SSH micro-ring laser arrays"

IEEE Photonics Conference (IPC), Orlando, FL, TuC3.2

M. Segev, G. Harari, M. Bandres, S. Wittek, H. Hodaei, Y. Lumer, M. Rechtsman, M. Khajavikhan, Y. Chong, D. Christodoulides

"Topological insulator lasers"

IEEE Photonics Conference (IPC), Orlando, FL, TuC3.1

M. Segev, M. Bandres, G. Harari, S. Wittek, Y. Lumer, H. Hodaei, M. Parto, P. Aleahmad, M. Rechtsman, Y.D. Chong, D.N. Christodoulides, and M. Khajavikhan

"Topological photonics and topological insulator lasers"

OSA Technical Digest, NF2A.1

W. Hayenga , M. Parto, H. Garcia-Gracia E. Sanchez-Cristobal, H. Hodaei , P.L. Likamwa, D.N. Christodoulides, and M. Khajavikhan

"Towards electrically injected parity-time-symmetric micro-ring lasers"

IEEE Photonics Conference (IPC), Orlando, FL

2017

S. Wittek, G. Harari, M. A. Bandres, H. Hodaei, M. Parto, P. Aleahmad, M. C. Rechtsman, Y. Chong, D.N. Christodoulides, M. Khajavikhan, and M. Segev

"Towards the experimental realization of the topological insulator laser"

Conference on Lasers and Electro-Optics (CLEO), San Jose, California, paper FTh1D

2017

J. Ren, H. Hodaei, G. Harari, A. U. Hassan, W. Chow, M. Soltani, D.N. Christodoulides, and M. Khajavikhan

"Ultrasensitive micro-scale parity-time-symmetric ring laser gyroscope"

Optics Letters, 42(8), pp. 1556-1559

H. Hodaei, A.U. Hassan, W.E. Hayenga, M.A. Miri, D.N. Christodoulides, and M. Khajavikhan

"Dark-state lasers: mode management using exceptional points"

Optics Letters 41(13), pp.3049-3052

2016

H. Hodaei, A.U. Hassan, J. Ren, W.E. Hayenga, M.A. Miri, D.N. Christodoulides, and M. Khajavikhan

"Design considerations for single mode microring lasers using parity-time-symmetry"

IEEE, Journal of Selected Topics in Quantum Electronics

A. Alhalawany, S. He, H. Hodaei, N.J.J. Johnson, D.N. Christodoulides, A. Almutairi, and M. Khajavikhan

"Enhanced UV upconversion emission using plasmonic nanocavities"

CLEO San Jose, CA, June

A. El Halawany, S. He, H. Hodaei, A. Bakry, M.A.N. Razvi, A. Alshahrie, N. J. J. Johnson, D.N. Christodoulides, A. Almutairi, and M. Khajavikhan

"Enhanced UV upconversion emission using plasmonic nanocavities"

Optics Express 24(13), pp.13999-14009

2016

A.U. Hassan, H. Hodaei, M.-A. Miri, M. Khajavikhan, and D.N. Christodoulides

"Integrable nonlinear parity-time-symmetric optical oscillator"

Physical Review E, 9394), 042219

M. Khajavikhan, H. Hodaei, M.-A. Miri, M. Heinrich, W. Hayenga, A. U. Hassan, J. Ren, D. N.

"Lasing characteristics in parity-time symmetric microcavities"

invited talk, session 4A21, META 2016, The International Conference on Metamaterials, Photonic Crystals and Plasmonics, Malaga, Spain, July 25-28

2016

W.E. Hayenga, H. Garcia-Gracia, H. Hodaei, Y. Fainman, and M. Khajavikhan

"Metallic coaxial nanolasers"

Advances in Physics: X 1(2), pp.262-275

M. Heinrich, H. Hodaei, M.A. Miri, A.U. Hassan, W.E. Hayenga, D.N. Christodoulides, M. Khajavikhan

"Non-Hermitian microring systems: PT-symmetric lasers, mode management and enhanced emission efficiency"

Advanced Electromagnetic Materials in Microwaves and Optics, September

A.U. Hassan, H. Hodaei, M.A. Miri, M. Khajavikhan, and D.N. Christodoulides

"Nonlinear reversal of PT-symmetric phase transition in a system of coupled micro-ring cavities"

SPIE 9920, Active Photonic Materials VIII, September

A. Hassan, H. Hodaei, M.A. Miri, M. Khajavikhan, and D. N. Christodoulides

"Reversing phase transitions in a nonlinear PT-symmetric dimer laser"

The International Conference on Metamaterials, Photonic Crystals and Plasmonics, Malaga, Spain, July 25-28

2016

A.U. Hassan, H. Hodaei, M.A. Miri, D.N. Christodoulides, and M. Khajavikhan

"Reversing the transition from an unbroken to a broken phase in a PT-symmetric dimer laser"

CLEO, San Jose, CA, June, paper FTh1A.1

2016

W. Hayenga, H. Garcia-Garcia, H. Hodaei, P.L. LiKamWa, and M. Khajavikhan

"Second-order coherence measurement of a metallic coaxial nanolaser"

CLEO, San Jose, CA, June, paper FTh1B.7

2016

W. E. Hayenga, H. Garcia-Garcia, H. Hodaei, C. Reimer, R. Morandotti, P.L. LiKamWa, and M. Khajavikhan

"Second-order coherence properties of metallic nanolasers"

Optica 3(11), pp.1187-1193

2016

H. Hodaei, M.A. Miri, A.U. Hassan, W.E. Hayenga, M. Heinrich, D.N. Christodoulides, and M. Khajavikhan

"Single mode lasing in transversely multi-moded PT-symmetric microring resonators"

Laser & Photonics Reviews 10(3), pp.494-499

2016

H. Hodaei, A.U. Hassan, J. Ren, W.E. Hayenga, D.N. Christodoulides, and M. Khajavikhan

"Ultra-sensitive PT-symmetric coupled cavities"

CLEO, San Jose, CA, June, paper FTh1A.3

2015

H. Hodaei, W. Hayenga, M.A. Miri, A. Ulhassan, D.N. Christodoulides, M. Khajavikhan

"Dark state microring lasers: Using non-Hermitian exceptional points for mode management"

CLEO, JTh5B.6

2015

A. Hassan, H. Hodaei, W. Hayenga, M. Khajavikhan, D. Christodoulides

"Enhanced sensitivity in parity-time-symmetric microcavity sensors"

OSA Advanced Photonics Conference, Boston, Massachusetts, SeT4C.3

2015

A.U. Hassan, H. Hodaei, M.A. Miri, M. Khajavikhan, D.N. Christodoulides

"Nonlinear reversal of the PT-symmetric phase transition in a system of coupled semiconductor microring resonators"

Physical Review A 92(6), pp.063807

H. Hodaei, M.A. Miri, D.N. Christodoulides, M. Khajavikhan

"On-chip PT-symmetric microring lasers"

Session 31, The Ninth IMACS International Conference on Nonlinear Evolution Equations and Wave Phenomena: Computation and Theory, Georgia-Athens, April 1-4

2015

H. Hodaei, M.A. Miri, A.U. Hassan, W.E. Hayenga, M. Heinrich, D.N. Christodoulides, M. Khajavikhan

"Parity-time-symmetric coupled microring lasers operating around an exceptional point"

Optics Letters 40(21), pp.4955-4958

M. A. Miri, N. Nye, D. Christodoulides, H. Hodaei

"PT-symmetric diffraction gratings"

The Ninth IMACS International Conference on Nonlinear Evolution Equations and Wave Phenomena: Computation and Theory, Georgia-Athens, Session 31

H. Hodaei, M. A. Miri, M. Heinrich, D. Christodoulides, M. Khajavikhan

"PT-symmetric microring lasers"

SPIE Photonics West, San Francisco California

M. Heinrich, H. Hodaei, M.A. Miri, D.N. Christodoulides, M. Khajavikhan

"PT-symmetric microring lasers"

European Conference on Lasers and Electro-Optics, Munich, Germany, CB-4-4

M. Khajavikhan, D.N. Christodoulides, H. Hodaei

"PT-symmetric microring lasers"

Session 31, The Ninth IMACS International Conference on Nonlinear Evolution Equations and Wave Phenomena: Computation and Theory, Georgia-Athens, April 1-4

H. Hodaei, M.A. Miri, M. Heinrich, D.N. Christodoulides, M. Khajavikhan

"PT-symmetric microring lasers "

SPIE Photonics West San Francisco CA

M. Khajavikhan, D. Christodoulides, and H. Hodaei

"PT-symmetricmicroring lasers"

The Ninth IMACS International Conference on Nonlinear Evolution Equations and Wave Phenomena: Computation and Theory, Georgia-Athens, Session 31

2015

W. Hayenga; M.A. Miri; H. Hodaei, A. Ulhassan, M. Heinrich, D.N. Christodoulides, M. Khajavikhan

"Single mode broad area PT-symmetric microring lasers"

OSA CLEO, FW1D.6

M. Khajavikhan, H. Hodaei, M.A. Miri, and D. Christodoulides

"Single-mode parity-time-symmetric micro-ring lasers"

Conference on Lasers and Electro - Optics Pacific Rim, Busan South Korea, 28D2-1, invited

M. Khajavikhan, H. Hodaei, M. A. Miri, D. Christodoulides

"Single-mode parity-time-symmetric micro-ring lasers"

CLEO-PR, Busan, Korea, 2015 (invited)

2015

H. Hodaei, W.E. Hayenga, M.A. Miri, A. Ulhassan, D.N. Christodoulides, M. Khajavikhan

"Tunable parity-time-symmetric microring lasers"

OSA CLEO, SF1I.1

Spencer Novak, Danvers E. Johnston, Neil Patel, Weiwei Deng, Nathan McClenaghan, Anuradha Agarwal, Wipula Liyanage, Manashi Nath, Hossein Hodaei, Mercedeh Khajavikhan, and Kathleen Richardson

"Characterization of luminescent quantum dot doped chalcogenide glass films from solution"

Joint DGG (German Glass Society) - Glass and Optical Materials Division meeting of the American Ceramic Society, Aachen GERMANY

2014

H. Hodaei, M. A. Miri, M. Heinrich, D. N. Christodoulides, M. Khajavikhan

"Parity-timeâ€“symmetric microring lasers"

Science 346, 975

2014

H. Hodaei, M. A. Miri, M. Heinrich, D. N. Christodoulides, and M. Khajavikhan

"PT Symmetric Large Area Single Mode DFB Lasers"

Conference on Lasers and Electro-Optics (IEEE/OSA CLEO, QELS), San Jose, CA

H. Hodaei, M. Miri, M. Heinrich, D. N. Christodoulides, and M. Khajavikhan

"PT symmetric large area single mode DFB lasers"

paper FM1D.3, CLEO: 2014, San Jose, California, June 8-13

2014

H Hodaei, MA Miri, M Heinrich, DN Christodoulides, M. Khajavikhan

"PT symmetry breaking and transverse mode filtering in microring lasers"

paper LTh4I.2, Frontiers in Optics 2014, Tucson, Arizona, October 19-23

D. N. Christodoulides, M. Miri, H. Hodaei, M. Heinrich, and M. Khajavikhan

"PT symmetry in optics"

invited, paper FTu2E.1, Frontiers in Optics 2014, Tucson, Arizona, October 19-23

2014

M.-A. Miri, H. Hodaei, M. Heinrich, M. Khajavikhan, D N Christodoulides,

"PT-symmetric microring lasers"

Frontiers in Optics 2014, paper FTu5D.2, Frontiers in Optics 2014, Tucson, Arizona, October 19-23

H. Hodaei, M.A. Miri, M. Heinrich, D. N. Christodoulides, and M. Khajavikhan

"PT-symmetric microring lasers: Self-adapting broadband mode-selective resonators: Self-adapting broadband mode-selective resonators"

Science 346, pp.975

2014

H Hodaei, MA Miri, M Heinrich, DN Christodoulides, M Khajavikhan

"Single mode PT symmetric large area lasers
"

SPIE Optics and Photonics , San Diego CA 10.1117/12.2061923

H. Hodaei, M. A. Miri, M. Heinrich, D. N. Christodoulides, and M. Khajavikhan

"Single Mode PT Symmetric Large Area Lasers"

SPIE Optics and Photonics, August 17-21, San Diego, CA