Publications

Curriculum Vitae

Updated March 2024.  PDF download

Journal Publications

(Articles marked with † follow the mathematics convention of listing authors in alphabetical order.)

2024
[47] A. Cerjan, T. A. Loring, and H. Schulz-Baldes, "Local Markers for Crystalline Topology," Physical Review Letters 132, 073803 (2024). web version   PDF download   PDF download
[46] A. Farhi, A. Cerjan, and A. D. Stone, "Generating and processing optical waveforms using spectral singularities," Physical Review A 109, 013512 (2024). web version   PDF download
[45]† A. Cerjan and T. A. Loring, "Even spheres as joint spectra of matrix models," Journal of Mathematical Analysis and Applications 531, 127892 (2024). web version   PDF download web version
2023
[44] K. Y. Dixon, T. A. Loring, and A. Cerjan, "Classifying Topology in Photonic Heterostructures with Gapless Environments," Physical Review Letters 131, 213801 (2023). web version   PDF download   PDF download web version
[43] S. Wong, T. A. Loring, and A. Cerjan, "Probing topology in nonlinear topological materials using numerical K-theory," Physical Review B 108, 195142 (2023). web version   PDF download
[42]† A. Cerjan, L. Koekenbier, and H. Schulz-Baldes, "Spectral localizer for line-gapped non-Hermitian systems," Journal of Mathematical Physics 64, 082102 (2023). web version   PDF download
[41] W. Cheng*, A. Cerjan*, S.-Y. Chen, E. Prodan, T. A. Loring, and C. Prodan, "Revealing topology in metals using experimental protocols inspired by K-theory," Nature Communications 14, 3071 (2023).
     Featured in a Nature Physics News & Views   web version
web version   PDF download   PDF download
[40]† A. Cerjan, T. A. Loring, and F. Vides, "Quadratic pseudospectrum for identifying localized states," Journal of Mathematical Physics 64, 023501 (2023). web version   PDF download
2022
[39] C. F. Doiron, I. Brener, and A. Cerjan, "Realizing symmetry-guaranteed pairs of bound states in the continuum in metasurfaces," Nature Communications 13, 7534 (2022). web version   PDF download   PDF download
[38] A. Cerjan and T. A. Loring, "An operator-based approach to topological photonics," Nanophotonics 11, 4765 (2022). web version   PDF download   PDF download
[37] A. Cerjan and T. A. Loring, "Local invariants identify topology in metals and gapless systems," Physical Review B 106, 064109 (2022). web version   PDF download
[36] J. Murray, A. Cerjan, and B. Redding, "Massively distributed fiber strain sensing using Brillouin lasing," Optics Express 30, 25765 (2022). web version   PDF download   PDF download
[35] W. A. Benalcazar and A. Cerjan, "Chiral-Symmetric Higher-Order Topological Phases of Matter," Physical Review Letters 128, 127601 (2022). web version   PDF download   PDF download
[34] J. Murray, A. Cerjan, and B. Redding, "Distributed Brillouin fiber laser sensor," Optica 9, 80 (2022).
     Featured in Optics and Photonics News Year in Review   web version   PDF download
web version   PDF download   PDF download
[33] C. Jörg*, S. Vaidya*, J. Noh, A. Cerjan, S. Augustine, G. von Freymann, and M. C. Rechtsman, "Observation of Quadratic (Charge-2) Weyl Point Splitting in Near-Infrared Photonic Crystals," Laser & Photonics Reviews 16, 2100452 (2022). web version   PDF download   PDF download
2021
[32] A. Cerjan*, C. Jörg*, S. Vaidya, S. Augustine, W. A. Benalcazar, C. W. Hsu, G. von Freymann, and M. C. Rechtsman, "Observation of bound states in the continuum embedded in symmetry bandgaps," Science Advances 7, eabk1117 (2021). web version   PDF download   PDF download
[31] S. Vaidya, W. A. Benalcazar, A. Cerjan, and M. C. Rechtsman, "Point-defect-localized bound states in the continuum in photonic crystals and structured fibers," Physical Review Letters 127, 023605 (2021). web version   PDF download   PDF download
2020
[30] S. Vaidya, J. Noh, A. Cerjan, C. Jörg, G. von Freymann, and M. C. Rechtsman, "Observation of a Charge-2 Photonic Weyl Point in the Infrared," Physical Review Letters 125, 253902 (2020).
     Selected as an APS Editors' Suggestion
web version   PDF download   PDF download
[29] A. Cerjan, M. Jürgensen, W. A. Benalcazar, S. Mukherjee, and M. C. Rechtsman, "Observation of a higher-order topological bound state in the continuum," Physical Review Letters 125, 213901 (2020).
     Selected as an APS Editors' Suggestion
web version   PDF download   PDF download
[28] A. Cerjan, M. Wang, S. Huang, K. P. Chen, and M. C. Rechtsman, "Thouless pumping in disordered photonic systems," Light: Science & Applications 9, 178 (2020). web version   PDF download
[27] M. Benzaouia, A. Cerjan, and S. G. Johnson, "Is single-mode lasing possible in an infinite periodic system?" Applied Physics Letters 117, 051102 (2020).
     Selected as an Editor's Pick
web version   PDF download   PDF download
[26] W. A. Benalcazar and A. Cerjan, "Bound states in the continuum of higher-order topological insulators," Physical Review B 101, 161116(R) (2020). web version   PDF download   PDF download
2019
[25] A. Cerjan, S. Bittner, M. Constantin, M. Guy, Y. Zeng, Q. J. Wang, H. Cao, and A. D. Stone, "Multimode lasing in wave-chaotic semiconductor microlasers," Physical Review A 100, 063814 (2019). web version   PDF download
[24] A. Cerjan, C. W. Hsu, and M. C. Rechtsman, "Bound States in the Continuum through Environmental Design," Physical Review Letters 123, 023902 (2019). web version   PDF download   PDF download
[23] A. Cerjan, S. Huang, M. Wang, K. P. Chen, Y. D. Chong, and M. C. Rechtsman, "Experimental realization of a Weyl exceptional ring," Nature Photonics 13, 623 (2019). web version   PDF download   PDF download
[22] A. Pick, A. Cerjan, and S. G. Johnson, "Ab initio theory of quantum fluctuations and relaxation oscillations in multimode lasers," Journal of the Optical Society of America B 36, C22 (2019). web version   PDF download
2010 – 2018
[21] A. Cerjan, M. Xiao, L. Yuan, and S. Fan, "Effects of non-Hermitian perturbations on Weyl Hamiltonians with arbitrary topological charges," Physical Review B 97, 075128 (2018).
     Selected as an APS Editors' Suggestion
web version   PDF download
[20] A. Cerjan and S. Fan, "Complete photonic bandgaps in supercell photonic crystals," Physical Review A 96, 051802(R) (2017). web version   PDF download
[19] A. Cerjan and S. Fan, "Achieving Arbitrary Control over Pairs of Polarization States Using Complex Birefringent Metamaterials," Physical Review Letters 118, 253902 (2017). web version   PDF download   PDF download
[18] Y. Shi, A. Cerjan, and S. Fan, "Acousto-optic finite-difference frequency-domain algorithm for first-principles simulations of on-chip acousto-optic devices," APL Photonics 2, 020801 (2017). web version   PDF download   PDF download
[17] A. Cerjan and S. Fan, "Effects of non-uniform distributions of gain and loss in photonic crystals," New Journal of Physics 18, 125007 (2016). web version   PDF download
[16] A. Cerjan, B. Redding, L. Ge, S. F. Liew, H. Cao, A. D. Stone, "Controlling mode competition by tailoring the spatial pump distribution in a laser: a resonance-based approach," Optics Express 24, 26006 (2016). web version   PDF download web version
[15] A. Cerjan and S. Fan, "Eigenvalue dynamics in the presence of non-uniform gain and loss," Physical Review A 94, 033857 (2016). web version   PDF download
[14] Y. Shen, G. Fang, A. Cerjan, Z. Chi, S. Fan, and C. Jin, "Slanted gold mushroom array: a switchable bi/tridirectional surface plasmon polariton splitter," Nanoscale 8, 15505 (2016). web version   PDF download
[13] A. Cerjan, A. Raman, and S. Fan, "Exceptional Contours and Band Structure Design in Parity-Time Symmetric Photonic Crystals," Physical Review Letters 116, 203902 (2016). web version   PDF download   PDF download
[12] L. Ge, D. Liu, A. Cerjan, S. Rotter, H. Cao, S. G. Johnson, H. E. Türeci, and A. D. Stone, "Interaction-induced mode switching in steady-state microlasers," Optics Express 24, 41 (2016). web version   PDF download
[11] A. Cerjan and A. D. Stone, "Why the laser linewidth is so narrow: A modern perspective," Physica Scripta 91, 013003 (2016). web version   PDF download
[10] A. Cerjan, A. Pick, Y. D. Chong, S. G. Johnson, and A. D. Stone, "Quantitative test of general theories of the intrinsic laser linewidth," Optics Express 23, 28316 (2015). web version   PDF download
[9] A. Pick, A. Cerjan, D. Liu, A. W. Rodriguez, A. D. Stone, Y. D. Chong, and S. G. Johnson, "Ab-initio multimode linewidth theory for arbitrary inhomogeneous laser cavities," Physical Review A 91, 063806 (2015).
     Selected as an APS Editors' Suggestion
web version   PDF download
[8] A. Cerjan, Y. D. Chong, and A. D. Stone, "Steady-state ab initio laser theory for complex gain media," Optics Express 23, 6455 (2015).
     Featured in Advances In Engineering   web version
web version   PDF download
[7] B. Redding, A. Cerjan, X. Huang, M. L. Lee, A. D. Stone, M. A. Choma, and H. Cao, "Low-Spatial Coherence Electrically-Pumped Semiconductor Laser for Speckle-Free Full-Field Imaging," Proceedings of the National Academy of Sciences USA 112, 1304 (2015).
     Featured in Optics and Photonics News   web version   PDF download
     Selected for a Microscopy Today Innovation Award   PDF download
web version   PDF download   PDF download
[6] S. Esterhazy, D. Liu, M. Liertzer, A. Cerjan, L. Ge, K. G. Makris, A. D. Stone, J. M. Melenk, S. G. Johnson, and S. Rotter, "Scalable numerical approach for the steady-state ab-initio laser theory," Physical Review A 90, 023816 (2014). web version   PDF download
[5] A. Cerjan and A. D. Stone, "Steady-state ab initio theory of lasers with injected signals," Physical Review A 90, 013840 (2014). web version   PDF download
[4] M. Liertzer, L. Ge, A. Cerjan, A. D. Stone, H. E. Türeci, and S. Rotter, "Pump-induced exceptional points in lasers," Physical Review Letters 108, 173901 (2012). web version   PDF download
[3] A. Cerjan, Y. D. Chong, L. Ge, and A. D. Stone, "Steady-state ab-initio laser theory for N-level lasers," Optics Express 20, 474 (2012). web version   PDF download
[2] A. Cerjan and C. Cerjan, "Orbital angular momentum of Laguerre-Gaussian beams beyond the paraxial approximation," Journal of the Optical Society of America A 28, 2253 (2011). web version   PDF download
[1] A. Cerjan and C. Cerjan, "Analytic solution of flat-top Gaussian and Laguerre-Gaussian laser field components," Optics Letters 35, 3465 (2010). web version   PDF download

Perspectives

[1] A. Cerjan, "A Whole Surface of Exceptional Points," Physics 12, 138 (2019). web version   PDF download

Technical Notes

[1] A. Cerjan, A. Oskooi, S.-L. Chua, S. G. Johnson, "Modeling lasers and saturable absorbers via multilevel atomic media in the Meep FDTD software: Theory and implementation," arXiv: 2007.09329. web version

Conference Proceedings

[1] B. H. Hokr, A. Cerjan, J. V. Thompson, L. Yuan, S. F. Liew, J. N. Bixler, G. D. Noojin, R. J. Thomas, H. Cao, A. D. Stone, B. A. Rockwell, M. O. Scully, and V. V. Yakovlev, "Evidence of Anderson localization effects in random Raman lasing," Proc. of SPIE 9731, 973110 (2016). web version   PDF download

Works-in-Progress

[4]† A. Cerjan, V. Lauric, and T. A. Loring, "Multivariable pseudospectrum in C*-algebras," arXiv:2402.15934. (in submission) web version
[3] S. Wong, T. A. Loring, and A. Cerjan, "Classifying topology in photonic crystal slabs with radiative environments," arXiv:2402.10347. (in submission) web version
[2] C. Doiron, I. Brener, and A. Cerjan, "Dual-Band Polarization Control with Pairwise Positioning of Polarization Singularities in Metasurfaces." (in submission)
[1] X. Gao, H. He, S. Sobolewski, A. Cerjan, and C. W. Hsu, "Dynamic gain and frequency comb formation in exceptional-point lasers," arXiv:2310.14643. (in submission) web version

Invited Talks

[19] "An operator-based approach to topological physics, and creating controllable sets of bound states in the continuum," Laboratory for Ultrafast Materials and Optical Science (LUMOS), Los Alamos National Laboratory, Los Alamos, NM. November 2nd, 2023.
[18] "An operator-based approach to topological physics: Band structures and Bloch eigenstates not required," Max Planck Institute for the Science of Light, Erlangen, Germany. October 27th, 2023.
[17] "An operator-based approach to topological physics: Band structures and Bloch eigenstates not required," RPTU Kaiserslautern-Landau, Kaiserslautern, Germany. October 23rd, 2023.
[16] "An operator-based approach to topological photonics: Band structures and Bloch eigenstates not required," International Workshop on Polaritons in Emerging Materials, IBS: PCS, Daejeon, South Korea. September 14th, 2023. web recording
[15] "Identifying topology directly from Maxwell's equations: Band structures and Bloch eigenstates not required," META 2023, Paris, France. July 18, 2023.
[14] "An operator-based approach to topological physics: Band structures and Bloch eigenstates not required," Emory University, Atlanta, GA. April 13, 2023.
[13] "Identifying topology directly from Maxwell's equations: Band structures and Bloch eigenstates not required," Florida A&M University, Tallahassee, FL. February 27, 2023.
[12] "Creating Controllable Sets of Bound States in the Continuum," PQE 2023, Snowbird, UT. January 10, 2023.
[11] "Creating Bound States in the Continuum Using Superstructure Photonics," MRS Fall Meeting, Boston, MA. November 28th, 2022.
[10] "Identifying topology directly from Maxwell's equations: Band structures and Bloch eigenstates not required," International Conference of Quantum, Nonlinear and Nanophotonics, Jena, Germany. September 7, 2022.
[9] "Using symmetry and topology to confine and control light," University of New Mexico, Albuquerque, NM. September 2, 2021.
[8] "Topological photonic systems: from structure to function," Sandia National Laboratories, Albuquerque, NM. September 1, 2020.
[7] "Topological photonic systems: from structure to function," Rice University, Houston, TX. February 18, 2020.
[6] "Advances in non-Hermitian and topological photonics," Center for Theoretical Physics of Complex Systems, Institute for Basic Science, Daejeon, South Korea. October 22, 2019.
[5] "Weyl points and Weyl exceptional rings in helical waveguide arrays," Weyl Fermions in Condensed Matter, International Institute of Physics, Natal, Brazil. August 7, 2019.
[4] "Exceptional contours formed in non-Hermitian topological photonic systems," Banff International Research Station Workshop on Photonic Topological Insulators, Banff, Canada. September 14, 2017.
[3] "Photonic systems with patterned gain and loss," Northrop Grumman Next Workshop on the Physics of Light Matter Interactions and Excited State Dynamics, Redondo Beach, CA. October 27, 2016.
[2] "Exceptional contours and eigenvalue dynamics in systems with non-uniform gain and loss," Yale University: Applied Physics Seminar, New Haven, CT. August 24, 2016.
[1] "Quantitative test of general theories of the intrinsic laser linewidth," Texas A&M Physics of Quantum Electronics Follow-on Workshop, College Station, TX. January 12, 2015.