Li Ge

Assistant Professor at CSI/GC

My general interests include novel symmetry-inspired paradigms and strong interactions in non-Hermitian photonics and open nonlinear systems, such as lasers, cavity-QED, nonequilibrium condensate, and optomechanics.

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Contact
li.ge@csi.cuny.edu
Quick Link
http://cuny.is/lightcsi
Education

PhD in Physics, Yale University (Connecticut, USA), 2010

BS in Physics, Peking University (Beijing, China), 2004

PuBlications

In preparation 

78. “Modern semiclassical laser theory with applications to micro and nanolasers,” H. E. Tureci, A. D. Stone, and Li Ge, solicited by Rev. Mod. Phys.

77. “Chiral symmetry in non-Hermitian systems: product rule, Clifford algebra and pseudo-chirality,” J. Rivero and Li Ge, submitted to Phys. Rev. A (2019).

76. “Linear localization of non-Hermitian zero modes,” B. Qi and Li Ge, submitted to Phys. Rev. Lett. (2018).

75. “Chiral-reversing vortex emission of a single quantum dot,” X. Y. Wang, H. Z. Chen, S. Wang, Li Ge*, S. Zhang, R. M. Ma*, submitted to Sci. Adv. (2018).

74. “Pseudo-Hermitian Transition in Degenerate Nonlinear Four-Wave Mixing,” Li Ge and  W. Wan, arXiv:1603.05624 (2016). 

73. “Pattern Formation and Strong Nonlinear Interactions in Exciton-Polariton Condensates,” Li Ge, A. Nersisyan, B. Oztop, and H. E. Tureci, arXiv:1311.4847 (2014). 

Published

72. (Invited review) “Parity-Time Symmetry Synthetic Lasers: Physics and Devices,” B. Qi, H. Chen, Li Ge*, P. Berini*, R. Ma*, Adv. Opt. Mat. 7, 1900694 (2019).

71. “Time-reversal invariant scaling of light propagation in one-dimensional non-Hermitian systems,” J. Rivero and Li Ge, Phys. Rev. A 100, 023819 (2019).

70. “All-optical control of lead halide perovskite microlasers,” N. Zhang, Y. Fan, K. Wang, Z. Gu, Y. Wang, Li Ge*, Q. Song*, and S. Xiao*, Nat. Commun. 10, 1770 (2019). 

69. (Invited perspective) “Quantum chaos in optical microcavities: A broadband application,” Li Ge, EPL 123, 64001 (2018).

68. “Transporting optical chirality through the dynamical barriers in optical microcavities,” S. Liu, J. Wiersig, W. Sun, Y. Fan, Li Ge, J. Yang, H. Cao, S. Xiao, and Q. Song, Laser Photon. Rev. 12, 1870045 (2018).

67. “Defect states emerging from a non-Hermitian flat band of photonic zero modes,” B. Qi, L. Zhang, and Li Ge*, Phys. Rev. Lett. 120, 093901 (2018).

66. “Non-Hermitian lattices with a flat band and polynomial power increase [Invited],” Li Ge, Photonics Research 6, A10-A17 (2018).

65. “Stable Switching among High-Order Modes in Polariton Condensates,” Y. Sun, Y. Yoon, S. Khan, Li Ge, M. Steger, L. N. Pfeiffer, K. West, H. E. Tureci, D. W. Snoke, and K. A. Nelson, Phys. Rev. B 97, 045303 (2018).

64. (Invited review) “Non-Hermitian photonics based on parity-time symmetry,” L. Feng*, R. El-Ganainy, and Li Ge*, Nature Photonics 11, 752-762 (2017).

63. (Editorial) “Optical microcavities: New understandings and developments,” Li Ge*, L. Feng, and H. G. L. Schwefel,  Photonics Research 5, OM1-OM3 (2017).

62. “Observation of gain spiking and nonlinear beating of optical frequency comb in a Microcavity,” Y. Zheng, T. Qin, J. Yang, X. Chen, Li Ge, and W. Wan, Opt. Express 25, 31140-31147 (2017).  

61. “Constructing the scattering matrix for optical microcavities as a nonlocal boundary value problem,” Li Ge, Photonics Research 5, B20 (2017).

60. “Quasi parity-time symmetric microdisk laser,” N. Zhang, Z. Gu, K. Wang, N. Yi, M. Li, S. Liu, S. Xiao*, Li Ge*, and Q. Song*, Laser Photon. Rev. 11, 1700052 (2017).

59. “Optical fluxes in coupled PT-symmetric photonic structures,” Li Ge*, K. G. Makris, and L. Zhang, Phys. Rev. A 96, 023820 (2017).

58. “Anomalous minimum and scaling behavior of localization length near an isolated flat band,” Li Ge, Ann. Phys. (Berlin) 527, 201600182 (2017). 

57. “Condensation of thresholds in multimode microlasers,” Li Ge*, H. Cao, and A. D. Stone, Phys. Rev. A 95, 023842 (2017).

56. “Symmetry, stability, and computation of degenerate lasing modes,” D. Liu, B. Zhen, Li Ge, F. Hernandez, A. Pick, S. Burkhardt, M. Liertzer, S. Rotter, and S. G. Johnson, Phys. Rev. A 95, 023835 (2017).

55. “Symmetry-protected zero-mode laser with a tunable spatial profile,” Li Ge, Phys. Rev. A 95, 023812 (2017).

54. “Experimental demonstration of spontaneous chirality in a nonlinear microresonator,” Q.-T. Cao, H.-M. Wang, C.-H. Dong, H. Jing, R.-S. Liu, X. Chen, Li Ge, Q. Gong, Y.-F. Xiao, Phys. Rev. Lett. 118, 033901 (2017).

53. “Contrasting eigenvalue and singular-value spectra for lasing and antilasing in a PT-symmetric periodic structure,” Li Ge* and L. Feng, Phys. Rev. A 95, 013813 (2017).

52. “Controlling mode competition by tailoring the spatial pump distribution in a laser,” A. Cerjan, B. Redding, Li Ge, S. F. Liew, H. Cao, A. D. Stone, Opt. Express 24, 26006 (2016).

51. “Optical reciprocity induced symmetry in photonic heterostructures and its manifestation in scattering PT symmetry breaking,” Li Ge* and L. Feng, Phys. Rev. A 94, 043836 (2016).

50. “Metawaveguide for Asymmetric Interferometric Light-Light Switching,” H. Zhao, W. Fegadolli, J. Yu, Z. Zhang, Li Ge, A. Scherer, and L. Feng, Phys. Rev. Lett. 117, 193901 (2016).

49. “Non-Hermitian engineering of single mode two dimensional laser arrays,” M. H. Teimourpour, Li Ge, D. N. Christodoulides, and R. El-Ganainy, Sci. Rep. 6, 33253 (2016).

48. “Anomalous parity-time symmetry transition away from an exceptional point,” Li Ge, Phys. Rev. A 94, 013837 (2016).

47. “Nonlinear modal interactions in parity-time (PT) symmetric lasers,” Li Ge* and R. El-Ganainy, Sci. Rep. 6, 24889 (2016).

46. “Bosonic condensation and disorder-induced localization in a flat band,” F. Baboux, Li Ge, T. Jacqmin, M. Biondi, A. Lemaître, L. Le Gratiet, I. Sagnes, S. Schmidt, H. E. Türeci, A. Amo, and J. Bloch, Phys. Rev. Lett. 116, 066402 (2016).

45. “Controlling a microdisk laser by local refractive index perturbation,” S. F. Liew, Li Ge, B. Redding, G. S. Solomon, and H. Cao, Appl. Phys. Lett. 108, 051105 (2016).

44. “Interaction induced mode switching in microlasers,” Li Ge*, D. Liu, S. G. Johnson, S. Rotter, H. E. Tureci, A. Cerjan, H. Cao, A. D. Stone, Optics Express 24, 41 (2016).

43. “Scattering in PT and RT symmetric multimode waveguides: generalized conservation laws and spontaneous symmetry breaking beyond one dimension,” Li Ge*, K. Makris, D. Christodoulides, and L. Feng, Phys. Rev. A 92, 062135 (2015).

42. “Selectively excitation of laser modes by controlling modal interactions,” Li Ge, Optics Express 23, 30049 (2015).

41. “Parity-Time symmetry in a flat band system,” Li Ge, Phys. Rev. A 92, 052103 (2015).

40. “Threshold current reduction and directional emission of deformed microdisk lasers via spatially selective electrical pumping,” N. L. Aung, Li Ge, O. Malik, H. E. Tureci, and C. Gmachl, App. Phys. Lett. 107, 151106 (2015).

39. “Supersymetric laser arrays,” R. El-Ganainy, Li Ge, M. Khajavikhan and D. Christodoulides, Phys. Rev. A 92, 033818 (2015).

38. “Inverse Vernier Effect in lasers,” Li Ge* and H. E. Tureci, Phys. Rev. A 92, 013840 (2015).

37. “Optical resonances in rotating dielectric microcavities of deformed shape,” R. Sarma, Li Ge, and H. Cao, JOSA B 32, 1736-1742 (2015).

36. “Pump-Controlled Modal Interactions in Microdisk Lasers,” S. F. Liew, Li Ge, B. Redding, G. S. Solomon, H. Cao, Phys. Rev. A 91, 043828 (2015).

35. “Rotation-induced Asymmetry of Far-field Emission from Optical Microcavities,” Li Ge*, R. Sarma, and H. Cao, Optica 2, 323-328 (2015).

34. “Rotating optical microcavities with broken chiral symmetry,” R. Sarma, Li Ge, J. Wiersig, and H. Cao, Phys. Rev. Lett. 114, 53903 (2015).

33. “Anomalous transient amplification of waves in non-normal photonic media,” M. K. Makris, Li Ge, and H. E. Tureci, Phys. Rev. X 4, 041044 (2014).

32. “Enhancement of laser power-efficienty by control of spatial hole burning interactions,” Li Ge, O. Malik, and H. E. Tureci, Nature Photonics 8, 871-875 (2014).

31. “A scalable numerical approach for the Steady-State Ab-Initio Laser Theory,” S. Esterhazy, D. Liu, M. Liertzer, A. Cerjan, Li Ge, M. K. Makris, A.D. Stone, J.M. Melenk, S. G. Johnson, and S. Rotter, Phys. Rev. A 90, 023816 (2014).

30. “Parity-time symmetry breaking beyond one dimension: the role of degeneracy,” Li Ge* and A. D. Stone, Phys. Rev. X 4, 031011 (2014).

29. “Rotation-induced Mode Coupling in Open Wavelength-scale Microcavities,” Li Ge*, R. Sarma, and H. Cao, Phys. Rev. A 90, 013809 (2014).

28. “Active control of emission directionality of semiconductor microdisk lasers,” S. F. Liew, B. Redding, Li Ge, G. S. Solomon, and H. Cao, Appl. Phys. Lett. 104, 231108 (2014).

27. “Exceptional points and lasing self-termination in photonic molecules,” R. El-Ganainy*, M. Khajavikhan, and Li Ge*, Phys. Rev. A 90, 013802 (2014).

26. “High-order scattering and multipath interference in wavelength-scale optical cavities,” B. Redding, Li Ge, Q. H. Song, G. S. Solomon, and H. Cao, Phys. Rev. Lett. 112, 163902 (2014).

25. “Breaking of PT-symmetry in bounded and unbounded scattering systems,” P. Ambichl, K. G. Makris, Li Ge, Y. D. Chong, A. D. Stone, and S. Rotter, Phys. Rev. X 3, 041030 (2013).

24. “Antisymmetric PT-photonic structures with balanced positive and negative index materials,” Li Ge* and H. E. Tureci, Phys. Rev. A 88, 053810 (2013).

23. “Controlling multimode coupling by boundary wave scattering,” Li Ge*, Q. H. Song, B. Redding, A. Eberspacher, J. Wiersig, and H. Cao, Phys. Rev. A 88, 043801 (2013).

22. “Formation of long-lived resonances in hexagonal cavities by strong coupling of superscar modes,” Q. H. Song, Li Ge, J. Wersig, and H. Cao, Phys. Rev. A 88, 023834 (2013).

21. “Gain-tunable optomechanical cooling in a laser cavity,” Li Ge, S. Faez, F. Marquardt, and H. E. Tureci, Phys. Rev. A 87, 053839 (2013).

20. “Extreme output sensitivity to subwavelength boundary deformation in microcavities,” Li Ge*, Q. H. Song, B. Redding, and H. Cao*, Phys. Rev. A 87, 023833 (2013).

19. “Local chirality of optical waves in ultrasmall resonators,” B. Redding, Li Ge, Q. H. Song, J. Wiersig, G. S. Solomon, and H. Cao, Phys. Rev. Lett. 108, 253902 (2012).

18. “Channeling chaotic rays into waveguides for efficient collection of microcavity emission,” Q. H. Song, Li Ge, B. Redding, C. Zeng, G. S. Solomon, and H. Cao, Phys. Rev. Lett. 108, 243902 (2012).

17. “Pump-induced exceptional points in lasers above threshold,” M. Liertzer, Li Ge, C. Cerjan, A. D. Stone, H. E. Tureci, and S. Rotter, Phys. Rev. Lett. 108, 173901 (2012).

16. “Conservation relations and anisotropic transmission resonances in one-dimensional PT-symmetric photonic heterostructures,” Li Ge*, Y. D. Chong, and A. D. Stone, Phys. Rev. A 85, 023802 (2012).

15. “Directional waveguide coupling from a wavelength-scale deformed microdisk laser,” B. Redding, Li Ge, G. S. Solomon, and H. Cao, App. Phys. Lett. 100, 061125 (2012).

14. “Steady-state ab initio laser theory for N-level lasers,” A. Cerjan, Y. D. Chong, Li Ge, and A. D. Stone, Optics Express 20, 474-488 (2012).

13. “Wavelength-scale deformed microdisk lasers,” Q. H. Song, Li Ge, J. Wiersig, J.-B. Shim, J. Unterhinninghofen, A. Eberspancher, W. Fang, G. S. Solomon, and Hui Cao, Phys. Rev. A 84, 063843 (2011).

12. “Unconventional modes in lasers with spatially varying gain and loss,” Li Ge*, Y. D. Chong, S. Rotter, H. E. Tureci, and A. D. Stone, Phys. Rev. A 84, 023820 (2011).

11. “Time-reversed lasing and control of absorption,” W. Wan, Y. D. Chong, Li Ge, H. Noh, A. D. Stone, and H. Cao, Science 331, 889-892 (2011).

10. “PT-symmetry breaking and laser-absorber modes in optical scattering systems,” Y. D. Chong*, Li Ge*, and A. D. Stone, Phys. Rev. Lett. 106, 093902 (2011).

9. “Modes of random lasers,” J. Andreasen, A. A. Asatryan, L. C. Botten, M. A. Byrne, H. Cao, Li Ge, L. Labonte, P. Sebbah, A. D. Stone, H. E. Tureci, and C. Vanneste, Advances in Optics and Photonics 3, 88-127 (2011).

8. “Steady-state ab initio laser theory: generalizations and analytic results,” Li Ge, Y. D. Chong, and A. D. Stone, Phys. Rev. A 82, 063824 (2010).

7. “Directional laser emission from a wavelength-scale chaotic microcavity,” Q. Song, Li Ge, A. D. Stone, H. Cao, J. Wiersig, J.-B. Shim, J. Unterhinninghofen, W. Fang, and G. S. Solomon, Phys. Rev. Lett. 105, 103902 (2010).

6. “Coherent perfect absorbers: time-reversed lasers,” Y. D. Chong, Li Ge, H. Cao, and A. D. Stone, Phys. Rev. Lett. 105, 053901 (2010).

5. “Effects of spatially nonuniform gain on lasing modes in weakly scattering random systems,” J. Andreasen, C. Vanneste, Li Ge, and H. Cao, Phys. Rev. A 81, 043818 (2010).

4. “Ab initio self-consistent laser theory and random lasers,” H. E. Tureci, A. D. Stone, Li Ge, S. Rotter, and R. J. Tandy, Nonlinearity 22 C1-C18 (2009).

3. “Strong interactions in multimode random lasers,” H. E. Tureci, Li Ge, S. Rotter, and A. D. Stone, Science 320, 643-646 (2008).

2. “Quantitative verification of ab initio self-consistent laser theory,” Li Ge, R. J. Tandy, A. D. Stone, and H. E. Tureci, Optics Express 16, 16895-16902 (2008).

1. “Theory of the spatial structure of nonlinear lasing modes,” H. E. Tureci, A. D. Stone, and Li Ge, Phys. Rev. A 76, 013813 (2007). 

Selected Talks and Conference Proceedings

(Invited) “Parity-time symmetry breaking in a synthetic dimension,” FoNLO’19, Dayton, Ohio (August, 2019) 

(Invited) “Chiral symmetry in non-Hermitian systems,” META’19, Lisbon, Portugal (July, 2019) 

(Invited) “Non-Hermitian Photonics based on Quantum-Inspired Symmetries,” Workshop on Mesoscopic Quautm Physics and beyond, Yale Quantum Institute, New Haven (June, 2019)

(Invited) “Non-Hermitian Photonics based on quantum-inspired symmetries,” Annual meeting of Korean Physical Society, Daejeon, Korea (April, 2019) 

“Non-Hermitian Photonics based on quantum-inspired symmetries,” Seminar at the Center for Theoretical Physics of Complex Systems, Daejeon, Korea (April, 2019) 

(Invited) “Non-Hermitian chiral symmetry,” Non-Hermitian Physics – PHHQP XIX, Tsinghua International Mathematics Forum, Sanya, China (March, 2019) 

(Invited) “Exploring non-Hermitian symmetries and topology using synthetic photonic materials,” Condensed Matter Seminar, Case Western Reserve University, Cleveland, Ohio (February, 2019)

(Invited) “Non-Hermitian photonics based on quantum-inspired symmetries,” Physics Colloquium, Washington State University, Pullman, Washington (February, 2019)

(Invited) “Non-Hermitian photonics with novel symmetries,” Physics seminar, Hunter College, CUNY, New York (October, 2018) 

(Invited) “Complex mirror symmetry and its realization in photonics,” 15th international conference Analytic and algebraic methods in physics, Prague, Czech Republic (September, 2018).

(Invited) “Non-Hermitian symmetries and photonic zero modes,” Max-Planck Workshop on Synthetic Non-Hermitian Photonic Structures, Dresden, Germany (August, 2018). 

(Invited) “Non-Hermitian particle-hole symmetry, flat band, and linear localization,” Nonlinear Localization in Lattices, Anargyreios and Korgialeneios School of Spetses, Greece (June, 2018).  

(Invited) “Non-Hermitian particle-hole symmetry, flat band, and linear localization,” Non-Hermitian Physics – PHHQP XVIII, International Center for Theoretical Sciences, Bangalore, India (June, 2018). 

(Invited) “Scattering matrix of optical microcavities and its conservation relations with bosonic antilinear symmetries,” 2nd International Workshop on Asymmetric Microcavity and Wave Chaos, Fuzhou, China (May, 2018). 

(Invited) “Novel non-Hermitian photonics based on quantum-inspired symmetries,” Zhige Forum for the next generation of Physicists, Peking University, China (May, 2018).

(Invited) “Novel non-Hermitian photonics inspired by quantum symmetries,” Sichuan University, China (December, 2017).

(Invited) “Non-Hermtiian particle-hole symmetry and its implications,” 642nd WE-Heraeus Seminar “Non-Hermitian Hamiltonians in Physics: Theory and Experiment,” Bad Honnef, Germany (May, 2017).

(Invited) “Novel non-Hermitian photonics inspired by quantum symmetries”, Physics seminar, NYU Shanghai, Shanghai, China (March, 2017).

(Invited) “Optical reciprocity induced symmetry in photonic heterostructures and its manifestation in scattering PT symmetry breaking”, Workshop on asymmetry microcavity and wave chaos, Beijing, China (March, 2017).

“Symmetry-protected zero-mode laser with a tunable spatial profile”, APS March Meeting, New Orleans, LA (March, 2017).

(Invited) “Modal competition and other nonlinear phenomena in PT-symmetric photonics”, Mathematics Colloquium, University of Vermont, Burlington, VT (2016).

(Invited) “Novel Modal Behaviors in Microcavity Lasers”, Peking University, Beijing, China (2016).

(Invited) “Pattern Formation and Strong Nonlinear Interactions in Exciton-Polariton Condensates”, Nanjing University, Nanjing, China (2016).

(Invited) “Interaction-induced mode switching and threshold condensation in steady-state microlasers”, PIERS’16, Shanghai, China (2016).

(Invited) “Anomalous Parity-Time Symmetry Transition away from an Exceptional Point”, PIERS’16, Shanghai, China (2016).

(Invited) “Scattering in PT and RT Symmetric Multimode Waveguides: Generalized Conservation Laws beyond 1D”, META’16, Malaga, Spain (2016).

(Invited) “Quantum Effects in Parity-Time Symmetry breaking”, International Workshop on Non-Hermitian Photonics in Complex Media, Crete, Greece (2016).

“Energy Dependence and Scaling Property of Localization Length near a Gapped Flat Band”, APS March Meeting, Baltimore, MD (2016).

(Invited) “Pattern Formation and Strong Nonlinear Interactions in Exciton-Polariton Condensates”, New York City College of Technology, New York (2015).

(Invited) “Rotation-induced evolution of far-field emission patterns of microdisk cavities”, 28th Annual Conference of the IEEE Photonics Society, Reston, VA (2015).

(Invited) “Spontaneous Symmetry Breaking of Scattering Eigenstates in Parity-Time Symmetric Multimode Waveguides”, META’15, New York, NY (2015).

(Invited) “Parity-Time Symmetry Breaking beyond One Dimension: the Role of Degeneracy”, META’15, New York, NY (2015).

“Supersymmetry laser arrays”, CLEO, San Jose, CA (2015).

(Invited) “Selective excitation by active transformation optics in media with strong modal interaction”, 9th IMACS International Conferences on Nonlinear Evolutions and Wave Phenomena, Athens, GA (2015).

“Controlling modal interactions in lasers for frequency selection and power enhancement”, APS March Meeting, San Antonio, TX (2015).

“Lasing mode selection by active transformation optics”, Photonic West, San Francisco, CA (2015).

“Rotation-induced Asymmetry of Far-field Emission from Optical Microcavities”, Frontier in Optics, Tuscan, AZ (2014).

“Pattern Formation and Strong Nonlinear Interactions in Exciton-Polariton Condensates”, APS March Meeting, Denver, CO (2014). 

(Invited) “Output power enhancement in microlasers by selective pumping”, Photonic West, San Francisco, CA (2014).

(Invited) “Antisymmetric PT-photonic structures with balanced positive and negative index materials”, Israel Science Foundation workshop on light-matter interaction, Israel (2013).

“Gain-enhanced optical cooling in cavity optomechanics”, APS March Meeting, Baltimore, MD (2013).

(Invited) “Pump-induced exceptional points in lasers above threshold”, 8th IMACS International Conferences on Nonlinear Evolutions and Wave Phenomena, Athens, GA (2013).

“Quantum theory of optomechanical interaction in the presence of an active medium”, Optomechanics on the Hudson, NY (2012).

(Invited) “Lasing in PT-symmetric cavities”, 7th IMACS International Conferences on Nonlinear Evolutions and Wave Phenomena, Athens, GA (2011).

“Coherent perfect absorption and anomalous scattering in balanced gain/loss structures”, Y. D. Chong, Li Ge, & A. D. Stone, Frontier in Optics, Rochester, New York (2010).

“Coherent perfect absorbers: time-reversed lasers”, Y. D. Chong, Li Ge, H. Cao, & A. D. Stone, Quantum Electronics and Laser Science Conference, San Jose, California (2010).

“Lasing in chaotic and random scattering media”, H. E. Türeci, Li Ge, A. D. Stone, R. J. Tandy, & S. Rotter, Conference on Quantum electronics and Laser Science Conference, CLEO/QELS, Baltimore, Maryland (2009).

“Ab initio semiclassical multimode lasing theory of chaotic cavity lasers”, Li Ge, H. E. Türeci, S. Rotter, & A. D. Stone, Frontiers in Optics, Rochester, New York (2008).

“Theory of diffusive random lasers”, A. D. Stone, H. E. Türeci, Li Ge, & S. Rotter, Frontiers in Optics, Rochester, New York (2008).

“Comparison of ab initio Laser theory with exact simulation”, R. J. Tandy, Li Ge, & A. D. Stone, Frontiers in Optics, Rochester, New York (2008).

(invited) “First principles prediction and control of lasing in microcavities”, Li Ge, H. E. Türeci, S. Rotter, & A. D. Stone, SPIE Photonics West, San Jose, California (2008).

(invited) “Theory of the spatial structure of non-linear modes in novel and complex laser cavities”, A. D. Stone, H. E. Türeci, Li Ge, & S. Rotter, 9th International Conference on Transparent Optical Networks, Rome, Italy(2007).

“Theory of the spatial structure of non-linear modes in conventional and random lasers”, H. E. Türeci, A. D. Stone, Li Ge, & S. Rotter, Photonic Metamaterials: From Random to Periodic (META), Jackson Hole, USA (2007).

Media coverage

On the NSF CAREER award 

1. CUNY Graduate Center “Spotlight on Faculty” (February, 2019) 
2. OSPR Digest, February Issue, College of Staten Island (February, 2019) 
3. “Five CUNY Professors Receive NSF Career Awards, One Of Nation’s Most Highly Sought Research Honors,” CUNY Communications (April, 2019)

On “Non-Hermitian photonics based on parity–time symmetry” (Ref. 64 above)

1. “Turning loss into gain,” Nature Photonics 11, 741 (2017).

On Rotation-Time and Inversion-Time symmetries


On the effect of rotation on far-field emission in microdisk cavities (Ref. 35 above)

1. “Li Ge’s Research on World’s Smallest Gyroscope Appears in Optica”

CUNY Newswire

2. “Light-powered gyroscope is world’s smallest: Promises a powerful spin on navigation”

Eurek Alert by AAAS

Optical Society of America

Phys.org

Veooz

Science Daily

Business Wire

3. “Light-powered gyroscope will be world’s smallest”

The Economic Times

Business Standard

4. “Light-powered gyroscope has sub-millimeter dimensions”

Laser Focus World

On the coherent perfect absorber (aka “anti-laser”; Refs. 6 and 11 above)

1. “Laser science: Suckers for light”

Nature

2. “Behold, the antilaser”

Science News

3. “Backward lasing yields a perfect absorber”

Physics by American Physics Society

4. “Scientists build the world’s first anti-laser”

BBC News

5. “A Dazzling Show Inside a Laser, but a Vacuum of Light Outside”

New York Times

On power enhancement of microlasers (Ref. 32 above)

1. “Enabling the right modes for certain lasers could increase efficiency 100 to 10,000-fold”

Laser Focus World

2. “Turning loss to gain: Cutting power could dramatically boost laser output”

Phys.org

3. “Reducing Power Input in Lasers may Increase its Output”

China Topix

4. “Turning loss to gain: cutting power could boost laser output”

Princeton Engineering News

On laser self-termination with more input energy (Refs. 17 an 27 above)

1. “Strange physics turns off laser”

Princeton Journal Watch

NSF News

Science Daily

2. “More is less: increased voltage switches off microlasers”

Photonics.com

3. “Paradoxical laser system shuts off with energy boost”

Interference Technology

On Steady-state Ab-initio Laser Theory (SALT; Ref. 3 above) 

1. “A Unified Picture of Laser Physics”

Science

2. “Unified Laser Theory”

Science Roundup by AAAS

3. “LASER THEORY: Ten-year-old embarrassment leads to unified laser theory”

Laser Focus World

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