# Publications

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Journal Papers (refereed)
A.U. Hassan, G.L. Galmiche, G. Harari, P.L. Likamwa, M. Khajavikhan, M Segev, and D.N. Christodoulides

"Chiral state conversion without encircling an exceptional point"

Physical Review A, 96(5), 052129

2017

A.K. Jahromi, A.U. Hassan, D.N. Christodoulides, and A.F. Abouraddy

"Statistical parity-time-symmetric lasing in an optical fibre network"

Nature Communications, 8(1), 1359

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

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

2017

A.U. Hassan, B. Zhen, M. Soljacic, M. Khajavikhan, and D.N. Christodoulides

"Dynamically encircling exceptional points: exact evolution and polarization state conversion"

Physical Review Letters, 118(9), pp. 093002

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

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

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

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

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

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

Conference Proceedings
J. Ren, G. Harari, A. Hassan, W. Chow, M. Soltani, D.N. Christodoulides, and M. Khajavikhan

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

IEEE Photonics Conference (IPC), Orlando, FL

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

A. Kazemi Jahromi, A.U. Hassan, D.N. Christodoulides, and A.F. Abouraddy

"Observation of a parity-time-symmetry phase transition in a fiber cavity"

Conference on Lasers and Electro-Optics (CLEO), San Jose, California, JTu5A.51

A.U. Hassan, B. Zhen, M. Soljacic, M. Khajavikhan, and D.N. Christodoulides

"Polarization state conversion through exceptional point encirclement"

Conference on Lasers and Electro-Optics (CLEO), San Jose, California, FTh3D.1

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

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

A. K. Jahromi, A. U. Hassan, D. N. Christodoulides, and A. F. Abouraddy

"Observation of robust statistical parity-time symmetry breaking in ultra-long cavities"

29th Annual Conference of the IEEE Photonics Society, Waikoloa, Hawaii, 2 - 6 October

A. K. Jahromi, A. U. Hassan, D. N. Christodoulides, and A. F. Abouraddy

"Robust statistical parity-time symmetric lasers in fiber cavities"

Frontiers in Optics, paper JW4A.100