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Publications in peer-reviewed journals

66. Revisiting the Siegert relation for the partially coherent regime of nanolasers
M. Drechsler, F. Lohof, and C. Gies
Appl. Phys. Lett.  120, 221104 (2022), Editor’s Pick

65. Moiré-Bose-Hubbard model for interlayer excitons in twisted transition metal dichalcogenide heterostructures
N. Götting, F. Lohof, and C. Gies
Phys. Rev. B 105, 165419 (2022)

64. Tailoring neutral and charged-exciton properties in monolayer and bilayer MoTe2 by the dielectric environment
C. Schneider, M. Syperek, J. Kutrowska-Girzycka, E. Zieba, D. Bieganska, M. Florian, A. Steinhoff, P. Mrowinski, K. Watanabe, T. Taniguchi, C. Gies, and S. Tongay
submitted for publication (2022)

63. Quantum fluctuations and lineshape anomaly in a high-β silver-coated InP-based metallic nanolaser
A. Koulas-Simos, J. Buchgeister, M. Drechsler, T. Zhang, K. Laiho, G. Sinatkas, J. Xu, F. Lohof, Q. Kan, R. K. Zhang, F. Jahnke, C. Gies, W. W. Chow, C. Z. Ning, S. Reitzenstein
Laser & Photonics Reviews 2200086 (2022), doi:10.1002/lpor.202200086

62. Intrinsic circularly-polarized exciton emission in a twisted van-der-Waals heterostructure
J. Michl, S.A. Tarasenko, F. Lohof, G. Gies, M. von Helversen, R. Sailus, S. Tongay, T. Taniguchi, K. Watanabe, T. Heindel, S. Reitzenstein, T. Shubina, S. Höfling, C. Antón-Solanas, and C. Schneider
Phys. Rev. B 105, L241406 (2022)

61. Atomically thin van der Waals semiconductors – a theoretical perspective
Christopher Gies & Alexander Steinhoff
review article
Laser & Photonics Reviews 2021, 2000482 (2021), DOI: 10.1002/lpor.202000482

60. Bright Electrically Controllable Quantum‐Dot‐Molecule Devices Fabricated by In Situ Electron‐Beam Lithography
Johannes Schall, Marielle Deconinck, Nikolai Bart, Matthias Florian, Martin von Helversen, Christian Dangel, Ronny Schmidt, Lucas Bremer, Frederik Bopp, Isabell Hüllen, Christopher Gies, Dirk Reuter, Andreas D. Wieck, Sven Rodt, Jonathan J. Finley, Frank Jahnke, Arne Ludwig, and Stephan Reitzenstein
Advanced Quantum Technologies 2100002 (2021), DOI:10.1002/qute.202100002

59. Observation of two-dimensional Anderson localisation of ultracold atoms
Donald H. White, Thomas A. Haase, Dylan J. Brown, Maarten D. Hoogerland, Mojdeh S. Najafabadi, John L. Helm, Christopher Gies, Daniel Schumayer, David A. W. Hutchinson
Nature Communications 11, 4942 (2020)

58. Thresholdless Transition to Coherent Emission at Telecom Wavelengths from Coaxial Nanolasers with Excitation Power Dependent β Factors
Sören Kreinberg, Kaisa Laiho, Frederik Lohof, William E. Hayenga, Pawel Holewa, Christopher Gies, Mercedeh Khajavikhan, Stephan Reitzenstein
Laser & Photonics Reviews 2020, 202000065  (2020),

57. Quantum Dot Microcavity Lasers
Christopher Gies and Stephan Reitzenstein
Topical Review Article
Semiconductor Science and Technology 34, 7 (2019)

56. Polariton hyperspectral imaging of two-dimensional semiconductor crystals
Christian Gebhardt, Michael Förg, Hisato Yamaguchi, Ismail Bilgin, Aditya D. Mohite, Christopher Gies, Malte Hartmann, Matthias Florian, Theodor W. Hänsch, Alexander Högele, and David Hunger;
Scientific Reports 9, 13756 (2019)

55. Prospects and limitations of transition-metal dichalcogenide laser gain materials
Frederik Lohof, Alexander Steinhoff, Michael Lorke, Matthias Florian, Daniel Erben, Frank Jahnke, and Christopher Gies;

Nano Lett. 19, 210 (2019)

54. Delayed Transition to Coherent Emission in Nanolasers with Extended Gain Media
Frederik Lohof, Roy Barzel, Paul Gartner, and Christopher Gies;
Phys. Rev. Applied 10, 054055 (2018)

53. Excitation-induced transition to indirect band gaps in atomically thin
transition metal dichalcogenide semiconductors
D. Erben, A. Steinhoff, G. Schönhoff, T.O. Wehling, C. Gies, and F. Jahnke;
Phys. Rev. B. 98, 035434 (2018)

52. The dielectric impact of layer distances on exciton and trion binding energies in van der Waals heterostructures
M. Florian, M. Hartmann, A. Steinhoff, J. Klein, A. Holleitner, J. J. Finley, T. O. Wehling, M. Kaniber, C. Gies;
Nano Lett. 18, 2725 (2018), doi:10.1021/acs.nanolett.8b00840

51. Delayed formation of coherence in the emission dynamics of high-Q nanolasers, Galan Moody, Mawussey Segnon, Isabelle Sagnes, Rémy Braive, Alexios Beveratos, Isabelle Robert-Philip, Nadia Belabas, Frank Jahnke, Kevin L. Silverman, Richard P. Mirin, Martin J. Stevens, and Christopher Gies;
Optica 5, 395 (2018)

50. On thresholdless lasing features in high-β nitride nanobeam cavities: a quantum optical study, Stefan T. Jagsch, Noelia Vico Triviño, Frederik Lohof, Gordon Callsen, Stefan Kalinowski, Ian M. Rousseau, Roy Barzel, Jean-François Carlin, Frank Jahnke, Raphaël Butté, Christopher Gies, Axel Hoffmann, Nicolas Grandjean, and S. Reitzenstein
Nature Comm. 9, 564 (2018)

49. Controlling the gain contribution of background emitters in few-quantum-dot microlasers, F. Gericke, M. Segnon, M. von Helversen, C. Hopfmann, T. Heindel, C. Schneider, S. Höfling, M. Kamp, A. Musiał, X. Porte, C. Gies, S. Reitzenstein
New Journal of Physics 20, 023036 (2018)

48. Coexistence of lasing and strong coupling in quantum-dot microlasers, C. Gies, F. Gericke, P. Gartner, S. Holzinger, C. Hopfmann, T. Heindel, J. Wolters, C. Schneider, M. Florian, F. Jahnke, S. Höfling, M. Kamp, and S. Reitzenstein;
Phys. Rev. A 96, 023806 (2017)

47. A few-emitter solid-state multi-exciton laser, S. Lichtmannecker, M. Florian, T. Reichert, M. Blauth, M. Bichler, F. Jahnke, J. J. Finley, C. Gies, and M. Kaniber; Scientific Reports 7, 7420 (2017)

46. Emission from quantum-dot high-β microcavities: transition from spontaneous emission to lasing and the effects of superradiant emitter coupling, Sören Kreinberg, Weng W Chow, Janik Wolters, Christian Schneider, Christopher Gies, Frank Jahnke, Sven Höfling, Martin Kamp and Stephan Reitzenstein
Light: Science & Applications (2017) 6, e17030; doi: 10.1038/lsa.2017.30

45. Observation of Exciton Redshift-Blueshift Crossover in Monolayer WS2, E. J. Sie, A. Steinhoff, C. Gies, C. H. Lui, Q. Ma, M. Rösner, G. Schönhoff, F. Jahnke, T. O. Wehling, Y.-H. Lee, J. Kong , P. Jarillo-Herrero, and N. Gedik;
Nano Lett. 17, 4210 (2017)

44. Noninvasive control of excitons in two-dimensional materials, C. Steinke, D. Mourad, M. Rösner, M. Lorke, C. Gies, F. Jahnke, G. Czycholl, and T. O. Wehling;
Phys. Rev. B 96, 045431 (2017)

43. Nonequilibrium Carrier Dynamics in Transition Metal Dichalcogenide Semiconductors, A. Steinhoff, M. Florian, M. Rösner, M. Lorke, T.O. Wehling, C. Gies, and F. Jahnke;
2D Materials 2, 031006 (2016)

42. Two-Dimensional Heterojunctions from Nonlocal Manipulations of the Interactions, M. Rösner, C. Steinke, M. Lorke, C. Gies, F. Jahnke, and T. O. Wehling;
Nano Lett. 16, 2322 (2016)

41. Giant photon bunching, superradiant pulse emission and excitation trapping in quantum-dot nanolasers, F. Jahnke, C. Gies, M. Aßmann, M. Bayer, H.A.M. Leymann, A. Foerster, J. Wiersig, C. Schneider, M. Kamp, and S. Höfling; Nature Communications 7, 11540 (2016)

40. Scattering-induced dephasing of multi-exciton transitions in semiconductor quantum dots, M. Florian, A. Steinhoff, C. Gies and F. Jahnke; Appl. Phys. B 122, 1 (2016)

39. Microscopic Theory of Efficient Excitonic Photoluminescence in Direct and Indirect Band Gap Monolayer MoS2, A. Steinhoff, J.-H. Kim, F. Jahnke, M. Rösner, D.-S. Kim, C. Lee, G. H. Han, M. S. Jeong, T. O. Wehling, and C. Gies;
Nano Lett. 15, 6841 (2015)

38. Monolithically integrated high-β GaAs-AlGaAs nanowire lasers on silicon, B. Mayer, L. Janker, B. Loitsch, J. Treu, T. Kostenbader, S. Lichtmannecker, T. Reichert, S. Morkötter, M. Kani- ber, G. Abstreiter, C. Gies, G. Koblmüller and J. J. Finley; Nano Lett. 16, 152 (2015)

37. Sub- and Superradiance in Nanolasers, H. A. M. Leymann, A. Foerster, F. Jahnke, J. Wiersig, and C. Gies; Phys. Rev. Applied 4, 044018 (2015)

36. Photon antibunching from few quantum dots in a cavity, C. Gies, F. Jahnke, and W. W. Chow; Phys. Rev. A Rapid Communications 91, 061804(R) (2015)

35. Correlations between axial and lateral emission of coupled quantum dot micropillar cavities, A. Musial, C. Hopfmann, T. Heindel, C. Gies, M. Florian, H. A. M. Leymann, A. Foerster, C. Schneider, S. Höfling, F. Jahnke, M. Kamp, and S. Reitzenstein; Phys. Rev. B 91, 205310 (2015)

34. Influence of excited carriers on the optical and electronic properties of MoS2, A. Steinhoff, M. Rösner, F. Jahnke, T.O. Wehling, and C. Gies;
Nano Lett. 14, 3743 (2014)

33. Spontaneous, collective coherence in driven, dissipative cavity arrays, J. Ruiz-Rivas, E. del Valle, C. Gies, P. Gartner, and M. J. Hartmann; Phys. Rev. A 90, 033808 (2014)

32. Emission properties of nanolasers during transition to lasing, W. Chow, F. Jahnke, and C. Gies; Light: Science & Applications 3, e201 (2014)

31. Coulomb-assisted cavity feeding in the non-resonant optical emission from a quantum-dot M. Florian, P. Gartner, A. Steinhoff, C. Gies, and F. Jahnke; Phys. Rev. B Rapid Communications 89, 161302(R), 2014

30. Equation-of-motion technique for finite-size quantum-dot systems: Cluster expansion method revisited M. Florian, C. Gies, F. Jahnke, H. A. M. Leymann, and J. Wiersig; Phys. Rev. B 87, 165306 (2013)

29. Phonon-mediated off-resonant coupling effects in semiconductor quantum-dot lasers, M. Florian, P. Gartner, C. Gies, F. Jahnke; New J. Physics 15, 035019 (2013)

28. Strong antibunching from electrically driven devices with long pulses: A regime for quantum-dot single-photon generation, C. Kessler, M. Reischle, F. Hargart, W. Schulz, M. Eichfelder, R. Rossbach, M. Jetter, P. Michler, P. Gartner, M. Florian, C. Gies, F. Jahnke; Phys. Rev. B 86, 115326 (2012)

27. Cavity-assisted emission of polarization-entangled photons from biexcitons in quantum dots with fine-structure splitting, S. Schumacher, J. Forstner, A. Zrenner, M. Florian, C. Gies, P. Gartner, F. Jahnke; Opt. Express 20, 5335 (2012)

26. Improved antibunching by using high-excitation pulses from a single semiconductor quantum dot – a theoretical study, M. Florian, C. Gies, P. Gartner, and F. Jahnke; J. Opt. Soc. Am. B 29, A31 (2012)

25. The single quantum dot-laser: Lasing and strong coupling in the high-excitation regime, C. Gies, M. Florian, P. Gartner, and F. Jahnke; Optics Express 19, 14370 (2011).

24. Direct observation of correlations between individual photon emission events of a microcavity laser, J. Wiersig, C. Gies, F. Jahnke, M. Assmann, T. Berstermann, M. Bayer, C. Kistner, S. Reitzenstein, C. Schneider, S. Hofling, A. Forchel, C. Kruse, J. Kalden, and D. Hommel; Nature 460, 454 (2009).

23. Quantum Statistical Properties of the Light Emission from Quantum Dots in Microcavities , C. Gies, J. Wiersig, and F. Jahnke; invited book chapter in Advances in Single Semiconductor Quantum Dots (Peter Michler Ed.), Springer. ISBN 978-3-540-87445-4 (2009).

22. Coherence properties and dynamical photon correlations of quantum-dot-based microcavity lasers, J. Wiersig, C. Gies, and F. Jahnke; Phys. stat. sol. B 246, 273 (2009).

21. Title Intrinsic Non-Exponential Decay of Time-Resolved Photoluminescence from Semiconductor Quantum Dots, J. Wiersig, C. Gies, and F. Jahnke; Advances in Solid State Physics 48, 4891 (2009).

20. Ultrafast intensity correlation measurements of quantum dot microcavity lasers, M. Assmann, T. Berstermann, J. Wiersig, C. Gies, F. Jahnke, C. Kistner, S. Reitzenstein, A. Forchel, M. Bayer; Phys. stat. sol. C 6, 399 (2009).

19. Coherence length of high-beta semiconductor microcavity lasers, S. Ates, C. Gies, S. M. Ulrich, J. Wiersig, S. Reitzenstein, A. Löffler, A. Forchel, F. Jahnke, and P. Michler; Phys. stat. sol. C 6, 568 (2009).

18. Emission Characteristics, Photon Statistics and Coherence Properties of high-beta Semiconductor Micropillar Lasers, S. M. Ulrich, S. Ates, P. Michler, C. Gies, J. Wiersig, F. Jahnke, S. Reitzenstein, C. Hofmann, A. Löffler and A. Forchel; Advances in Solid State Physics 47, 3 (2008).

17. Output characteristics of pulsed and continuous-wave-excited quantum-dot microcavity lasers , C. Gies, J. Wiersig, and F. Jahnke; Phys. Rev. Lett. 101, 067401 (2008).

16. Coherence Properties and Photon Statistics of Quantum-Dot based Microcavity Lasers, J. Wiersig, C. Gies, S. Ritter, and F. Jahnke; Conference on Lasers and Electro-optics & Quantum Electronics and Laser Science Conference, Vols. 1-93004-3005 (2008).

15. Influence of the Spontaneous Emission Factor β on the First-Order Coherence of Semiconductor Microcavity Lasers, S. Ates, C. Gies, S. M. Ulrich, J. Wiersig, S. Reitzenstein, A. Löffler, A. Forchel, F. Jahnke, and P. Michler; Phys. Rev. B 78, 155319 (2008).

14. Avoided resonance crossings and photon statistics in semiconductor microcavity lasers, J. Wiersig, C. Gies, M. Lorke, F. Jahnke, and M. Hentschel; in Lasers and Electro-Optics – Pacific Rim, 2007. CLEO/Pacific Rim 2007, p.1 (2007).

13. Systematic study of carrier correlations in the electron-hole recombination dynamics of quantum dots, T. Berstermann, T. Auer, H. Kurtze, M. Schwab, D. R. Yakovlev, and M. Bayer; J. Wiersig, Christopher Gies, and Frank Jahnke; D. Reuter and A. D. Wieck, Phys. Rev. B 76, 165318 (2007).

12. A semiconductor theory for quantum-dot microcavity lasers, J. Wiersig, C. Gies, M. Lorke, and F. Jahnke; Physics of Semiconductors, 893, 1125 (2007).

11. Laser theory for semiconductor quantum dots in microcavities, Christopher Gies, Jan Wiersig and Frank Jahnke, Supperlattices and Microstructures (2007), doi:10.1016/j.spmi.2007.06.026

10. Electronic shell structure and carrier dynamics of high aspect ratio InP single quantum dots, Gareth J. Beirne, Matthias Reischle, Robert Roßbach, Wolfgang-Michael Schulz, Michael Jetter, Jan Seebeck, Paul Gartner, Christopher Gies, Frank Jahnke, and Peter Michler, Phys. Rev. B 75, 195302 (2007).

9. Photon Statistics of Semiconductor Microcavity Lasers, S. M. Ulrich, Christopher Gies, S. Ates, J. Wiersig, S. Reitzenstein, C. Hofmann, A. Löffler, A. Forchel, F. Jahnke, and P. Michler, Phys. Rev. Lett. 98, 043906 (2007).

8. Semiconductor model for quantum-dot-based microcavity lasers, Christopher Gies, Jan Wiersig, Michael Lorke, and Frank Jahnke, Phys. Rev. A 75, 013803 (2007).

7. Microscopic Theory of Quantum Dot Luminescence Spectra, Christopher Gies, Norman Baer, Jan Wiersig, and Frank Jahnke, phys. stat. sol. C 3, 2385 (2006).

6. Luminescence of a semiconductor quantum dot system, Norman Baer, Christopher Gies, Jan Wiersig, and Frank Jahnke, Eur. Phys. J. B 50, 411 (2006).

5. Radiative emission dynamics of quantum dots in a single cavity micropillar, M. Schwab, H. Kurtze, T. Auer, T. Berstermann, M. Bayer, J. Wiersig, N. Baer, C. Gies, F. Jahnke, J. P. Reithmaier, A. Forchel, M. Benyoucef, and P. Michler, Phy. Rev. B 74, 045323 (2006).

 earlier work about lower dimensional bose-einstein-condensates

4. Finite-temperature theory of the trapped two-dimensional Bose gas, Christopher Gies, B. P. van Zyl, S. A. Morgan, and D. A. W. Hutchinson, Phys. Rev. A 69, 023616 (2004).

3. Coherence properties of the two-dimensional Bose-Einstein condensate, Christopher Gies and D. A. W. Hutchinson, Phys. Rev. A 70, 043606 (2004).

2. Many-body T-matrix of a two-dimensional Bose-Einstein condensate within the Hartree-Fock-Bogoliubov formalism, Christopher Gies, M. D. Lee, and D. A. W. Hutchinson, J. Phys. B: At. Mol. Opt. Phys. 38, 1797-1809 (2005).

1. Ultracold Two-Dimensional Trapped Bose Gases, D. A. W. Hutchinson, Christopher Gies, S. A. Morgan, M. D. Lee, and B. P. van Zyl, Laser Physics 15(7), 1091-1095 (2005).

Contributions in textbooks:

Theory of Quantum Light Sources and Cavity-QED Emitters based on Semiconductor Quantum Dots
C. Gies, M. Florian, A. Steinhoff, and F. Jahnke
in „Quantum Dots for Quantum Information Technologies“ (P. Michler Ed.); Springer Berlin Heidelberg (2017); ISBN 978-3-319-56378-7
This whole first chapter is available as a preview on the springer page.

Quantum-dot nanolasers from the perspective of cavity-QED and many-body electron interactions
C. Gies, M. Lorke, F. Jahnke, and W.W. Chow
in “Handbook of Optoelectronic Device Modeling and Simulation” (Joachim Piprek Ed.); Taylor and Francis Books; ISBN 9781498749466 (2017)

Modeling single quantum dots in microcavities
C. Gies, M. Florian, and F. Jahnke
in “Quantum optics with semiconductor nanostructures” (F. Jahnke Ed.); Woodhead Publishing Ltd. Oxford
Cambridge Philadelphia New Dehli; ISBN 978-0-85709-232-8 (2012)

Quantum Statistical Properties of the Light Emission from Quantum Dots in Microcavities
C. Gies, J. Wiersig, and F. Jahnke
in “Advances in Single Semiconductor Quantum Dots” (P. Michler Ed.); Springer Berlin Heidelberg; ISBN 978-3-540-87445-4 (2009)

Intrinsic Non-Exponential Decay of Time-Resolved Photoluminescence from Semiconductor Quantum Dots
J. Wiersig, C. Gies, and F. Jahnke
in “Advances in Solid State Physics” 48, 4891; Springer Berlin Heidelberg; ISBN 978-3-540-85858-4 (2009)

Emission Characteristics, Photon Statistics and Coherence Properties of high- β Semiconductor Micropillar Lasers
S. M. Ulrich, S. Ates, P. Michler, C. Gies, J. Wiersig, F. Jahnke, S. Reitzenstein, C. Hofmann, A. Löffler, and A. Forchel
in “Advances in Solid State Physics” 47, 3; Springer Berlin Heidelberg; ISBN 978-3-540-74324-8 (2008)


Semiconductor Sources for coherent and quantum light
Christopher Gies
The Habilitation thesis can be provided upon request


Theory for light-matter interaction in semiconductor quantum dots
Christopher Gies
download pdf from the university library

Master’s thesis

Hartree-Fock-Bogoliubov treatment of the two-dimensional trapped Bose gas
Christopher Gies
download as pdf



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