Publications

Jakob Kaltwasser, Joschka Seip, Erik Fitzke, Maximilian Tippmann, Thomas Walther
Reducing the number of single-photon detectors in quantum-key-distribution networks by time multiplexing
Physical Review A (2024)

Till Dolejsky, Erik Fitzke, Lucas Bialowon, Maximilian Tippmann, Oleg Nikiforov, Thomas Walther
Flexible reconfigurable entanglement-based quantum key distribution network
The European Physical Journal Special Topics (2023)

Ken Ueberholz, Lars Bozyk, Michael Bussmann, Noah Eizenhöfer, Volker Michael Hannen, Max Horst, Daniel Kiefer, Nils Kiefer, Sebastian Klammes, Thomas Kühl, Benedikt Langfeld, Markus Loeser, Xinwen Ma, Wilfried Nörtershäuser, Rodolfo Sánchez, Ulrich Schramm, Mathias Siebold, Peter Spiller, Markus Steck, Thomas Stöhlker, Thomas Walther, Hanbin Wang, Christian Weinheimer, Weiqiang Wen, Danyal Winters,
XUV Fluorescence Detection of Laser-Cooled Stored Relativistic Ions
Atoms (2023)

Erik Fitzke, Florian Niederschuh, Thomas Walther
Simulating the photon statistics of multimode Gaussian states by automatic differentiation of generating functions
APL Photonics 8, 026106 (2023)

Erik Fitzke, Florian Niederschuh, Thomas Walther
Simulating the Photon Statistics of Gaussian States Employing Automatic Differentiation from PyTorch
Technical Report TU prints (2023)

Daniel Preißler, Noah Eizenhöfer, Jens Gumm and Thomas Walther
On identifying critical parameters in an amplification without inversion setup in mercury
J. Phys. B: At. Mol. Opt. Phys. 55 244001 (2022)

Jessica Warbinek, Brankica Anđelić, Prof. Dr. Michael Block, Premaditya Chhetri, Arno Claessens, Rafael Ferrer, Francesca Giacoppo, Oliver Kaleja, Tom Kieck; EunKang Kim, Mustapha Laatiaoui, Jeremy Lantis, Andrew Mistry, Danny Münzberg, Steven Nothhelfer, Sebastian Raeder, Emmanuel Rey-Herme, Elisabeth Rickert, Jekabs Romans, Elisa Romero-Romero, Marine Vandebrouck, Piet van Duppen, Thomas Walther
Advancing Radiation-Detected Resonance Ionization towards Heavier Elements and More Exotic Nuclides
Atoms (2021)

Erik Fitzke, Till Dolejsky, Maximilian Tippmann, Lucas Biawolons, Oleg Nikiforov, Felix Wissel, Matthias Gunkel, Thomas Walther
An Entanglement-Based QKD System for Scalable Robust Multi-User Networks
Technical Digest Series (Optica Publishing Group, 2022), paper FTu4A.1. CLEO conference (2022)

Erik Fitzke, Lucas Bialowons, Till Dolejsky, Maximilian Tippmann, Oleg Nikiforov, Thomas Walther, Felix Wissel, and Matthias Gunkel
Scalable Network for Simultaneous Pairwise Quantum Key Distribution via Entanglement-Based Time-Bin Coding
PRX Quantum (2022)

Benjamin Rein, Jochen Schmitt, Martin R. Sturm, Reinhold Walser, and Thomas Walther
Toward lasing without inversion in the ultraviolet regime: Doppler-free three-photon coherence effects in mercury vapor
Physical Review A (2022)

Erik Fitzke, R. Krebs, Thorsten Haase, M. Mengler, Gernot Alber, Thomas Walther
Time-dependent POVM reconstruction for single-photon avalanche photo diodes using adaptive regularization
New Journal of Physics (2022)

Lucas Bialowons, Erik Fitzke, Maximilian Tippmann, Oleg Nikiforov, and Thomas Walther
A Scalable Multi-User QKD Hub for Entanglement-Based Phase-Time Coding
Technical Digest Series (Optica Publishing Group, 2021), paper M2C.4. Quantum Information and Measurement (2021)

Matthias Geihs, Oleg Nikiforov, Denise Demirel, Alexander Sauer, Denis Butin, Felix Günter, Gernot Alber, Thomas Walther, Johannes Buchmann
The Status of Quantum-Key-Distribution-Based Long-Term Secure Internet Communication
IEEE Transactions on Sustainable Computing (2021)

Alexandra Weber, Oleg Nikiforov, Alexander Sauer, Johannes Schickel, Gernot Alber, Heiko Mantel, Thomas Walther
Cache-Side-Channel Quantification and Mitigation for Quantum Cryptography
Computer Security – ESORICS (2021)

Peter Weigl, Tina Hecksher, Jeppe C. Dyre, Thomas Walther, Thomas Blochowicz
Identity of the local and macroscopic dynamic elastic responses in supercooled 1-propanol
Physical Chemistry Chemical Physics (2021)

Peter Weigl, Daniel Schadt, Susann Weißheit, Christina Marie Thiele, Thomas Walther, Thomas Blochowicz
Triplet state solvation dynamics: extending the accessible timescale by using indole as local probe
Phys. Chem. Chem. Phys. (2021)

Daniel Kiefer, Sebastian Hepp, Thomas Walther
High average power transform limited picosecond laser with flexible repetition rate and pulse duration
Opt. Lett. 16 (2020) 4488

S. Raeder, M. Block, P. Chhetri, R. Ferrer, S. Kraemer, T. Kron, M. Laatiaoui, S. Nothhelfer, F. Schneider, P. Van Duppen, M. Verlinde, E. Verstraelen, Th. Walther, A. Zadvornaya
A gas-jet apparatus for high-resolution laser spectroscopy on the heaviest elements at SHIP
Nuclear Instruments and Methods in Research B 463 (2020) 272

Daniel Preißler, Daniel Kiefer, Thorsten Führer, Thomas Walther
Evolutionary algorithm‐assisted design of a UV SHG cavity with elliptical focusing to avoid crystal degradation
Appl. Phys. B 25 (2019) 220

Daniel Kiefer, Daniel Preißler, Thorsten Führer, Thomas Walther
Non-degrading CW UV generation in β-barium borate at 257 nm using an elliptical focusing enhancement cavity
Laser Physics Letters Vol. 16/7 (2019)

Peter Weigl, Daniel Koestel, Florian Pabst, Jan Philipp Gabriel, Thomas Walther, Thomas Blochowicz
Local dielectric response in 1-propanol: alpha-relaxation versus relaxation of mesoscale structures
Phys. Chem. Chem. Phys. 21 (2019) 24778

S. Stutz, D. Auth, C. Weber, L. Drzewietzki, O. Nikiforov, R. Rosales, Th. Walther, L. F. Lester, S. Breuer
Dynamic intermode beat frequency control of an optical frequency comb single section quantum dot laser by dual-cavity optical self-injection
IEEE Photonics Journal Vol. 11/5 (2019)

Daniel Preißler, Daniel Kiefer, Thorsten Führer, Thomas Walther
Evolutionary Algorithm Assisted Design of an Ellipti-cal Focusing Build-up Cavity Avoiding the Degradation Problem in BBO
OSA Technical Digest (Optical Society of America, 2019), paper JTu2A.85.
Poster presentation paper JTu2A.85. CLEO Conference (2019)

Weiqiang Wen, Hanbing Wang, Zhongkui Huang, Dacheng Zhang, Dongyang Chen, Danyal Winters, Sebastian Klammes, Daniel Kiefer, Thomas Walther, Sergey Litvinov, Mathias Siebold, Markus Loeser, Nadir Khan, Dongmei Zhao, Xiaolong Zhu, Xiaoni Li, Jie Li, Tiecheng Zhao, Ruishi Mao, Junxia Wu, Dayu Yin, Lijun Mao, Jiancheng Yang, Youjin Yuan, Michael Bussmann, Xinwen Ma
Laser cooling and precision laser spectroscopy of highly charged ions at the storage ring CSRe and the future HIAF
Hyperfine Interactions 5 (2019) 240:45

Stutz, D. Auth, C. Weber, O. Nikiforov, T. Walther
Optical feedback stabilization of a self-mode-locked quantum dot laser
materialstoday:PROCEEDINGS; nanoFIS 2017 – Functional Integrated nano Systems Vol. 7/P3 (2019) 912-915

A. Trautmann, G.L. Roth, B. Nujiki, T. Walther and R. Hellmann
Towards a versatile point-of-care system combining femtosecond laser generated microfluidic channels and direct laser written microneedle arrays
Microsystems & Nanoengineering 5 (2019) Article 6: 41378-019-0046-5

D. Winters, T. Beck, G. Birkl, O. Boine-Frankenheim, M. Bussmann, C. Egelkamp, L. Eidam, V. Hannen, D. Kiefer, Th. Kühl, M. Löser, X. Ma, U. Schramm, M. Siebold, Th. Stöhlker, Th. Walther, W. Wen, D. Winzen, P. Spiller
The SIS100 laser cooling facility
GSI Scientific Report (2017) 434

D. Kiefer, S. Klammes, B. Rein, Th. Walther
Recent Work on the Darmstadt laser systems for laser cooling of relativistic ion beams at SIS100
GSI Scientific Report (2017) 247

D. Winters, O. Boine-Frankenheim, M. Bussmann, A. Buß, C. Egelkamp, L. Eidam, V. Hannen, Z. Huang, D. Kiefer. S. Klammes, Th. Kühl, M. Löser, X. Ma, F. Nolden, W. Nörtershäuser, R. Sanchez, U. Schramm, M. Siebold, P. Spiller, M. Steck, J. Ullmann, Th. Walther, H. Wang, W. Wen, D. Winzen, Th. Stöhlker
Test beamtime for laser spectroscopy and laser cooling at the ESR
GSI Scientific Report (2017) 246

D. Winzen, M. Bussmann, A. Buß, C. Egelkamp, L. Eidam, V. Hannen, Z. Huang, D. Kiefer, S. Klammes, Th. Kühl, M. Löser, X. Ma, W. Nörtershäuser, H.-W. Ortjohann, R. Sanchez, M. Siebold, Th. Stöhlker, J. Ullmann, J. Vollbrecht, Th. Walther, H. Wang, Ch. Weinheimer, D. Winters
Commissioning of a detection system for forward emitted XUV photons
GSI Scientific Report (2017) 245

Benjamin Rein, Johanna Heck, Thomas Walther
Efficient continuous wave second harmonic generation of 872 nm diode laser radiation using KNbO₃ with high stability
Laser Phys. Lett. 14 (2017) 095001

Premaditya Chhetri, Dieter Ackermann, Hartmut Backe, Michael Block, Bradley Cheal, Christoph Emanuel Düllmann, Julia Even, Rafael Ferrer, Francesca Giacoppo, Stefan Götz, Fritz Peter Heßberger, Oliver Kaleja, Jadambaa Khuyagbaatar, Peter Kunz, Mustapha Laatiaoui, Felix Lautenschläger, Werner Lauth, Enrique Minaya Ramirez, Andrew Kishor Mistry, Sebastian Raeder, Calvin Wraith, Thomas Walther, and Alexander Yakushev
Impact of buﬀer gas quenching on the 1S₀ → 1P₁ ground-state atomic transition in nobelium
Eur. Phys. J. D 71 (2017) 195

Benjamin Rein, Thomas Walther
Frequency stabilized diode laser with variable linewidth at a wavelength of 404.7 nm
Optics Letters 2 (2017) 1508-1511

H.B. Wang, W.Q. Wen, Z.K. Huang, D.C. Zhang, B. Hai, X.L Zhu, D.M. Zhao, J. Yang, J. Li, X.N. Li, L.J. Mao, R.S. Mao, J.X. Wu, J.C. Yang, Y.J. Yuan, L. Eidam, D. Winters, T. Beck, D. Kiefer, B. Rein, Th. Walther, M. Loeser, U. Schramm, M. Siebold, M. Bussmann, X. Ma
Measurement of the lifetime and the proportion of 12C3+ ions in stored relativistic ion beams as a preparation for laser cooling experiments at the CSRe
Nuclear Instruments and Methods in Research B 408 (2017) 280-284

2015

Lisa Schott, C. Sommer, Jörn Wittek, Khaliun Myagmar, Thomas Walther, and Michael Bassler
Cell Size Discrimination Based on the Measurement of the Equilibrium Velocity in Rectangular Microchannels
Micromachines 6 634-647 (2015)

E. Kremser, Th. Walther (eds.)
Von der Schule zum Urknall, Saturday Morning Physics der TU Darmstadt in Schülerbeiträgen
Springer Spektrum, Heidelberg, 2015

D Winters, T. Beck, G. Birkl, C. Dimopoulou, V. Hannen, Th. Kühl, M. Lochmann, M. Loeser, X. Ma, F. Nolden, W. Nörtershäuser, B. Rein, R. Sanchez, U. Schramm, M. Siebold, P. Spiller, M. Steck, Th. Stöhlker, J. Ullmann, Th. Walther, W. Wens, J. Yang, D. Zhang, M. Bussmann
Laser cooling of relativistic heavy-ion beams for FAIR
Phys. Scr. T 166 (2015) 014048

C. Schwab, J. Stürmer, Y.V. Gurevich, T. Führer, S.K. Lamoreaux, Th. Walther and A. Quirrenbach
Stabilzing a Fabry-Pérot-Etalon Peak to 3cm/s for Spectrograph Calibration
Publications of the Astronomical Society of the Pacific 12 (2015) 955

Benjamin Rein, Martin R. Sturm, Reinhold Walser, Thomas Walther
Towards Lasing Without Inversion in Neutral Mercury
Journal of Physics Conference Series 594 012007 (2015)

2014

Christof Thalhammer, Johannes Breuer, Thorsten Führer, Alexandru Popescu,
Harry Hedler, Thomas Walther, and Thoralf Niendorf
Combining Photonic Crystal and Optical Monte Carlo Simulations: Implementation, Validation and Application in a Positron Emission Tomography Detector
IEE Transactions on Nuclear Science 61 (6) (2014) 3618-3626

M. Laatiaoui, H. Backe, M Block, F.-P- Heßberger, P. Kunz, F. Lautenschläger, W. Lauth, M. Sewtz, Th. Walther
On laser spectroscopy of the element nobelium (Z = 102)
Eur. Phys. J. D. 68 (2014) 71

M. Laatiaoui, H. Backe, M. Block, P. Chhetri, F. Lautenschläger, W. Lauth, Th. Walther
Perspectives for laser spectroscopy of the element nobelium
Hyperfine Interactions 227 (2014) 69-75

Martin R. Sturm, Benjamin Rein, Thomas Walther
Feasibility of UV lasing without inversion in mercury vapor
Journal of the Optical Society of America 31 (8) (2014) 1964-1974

Christian Sommer, Stephan Quint, Peter Spang, Thomas Walther and Michael Baßler
The equilibrium velocity of spherical particles in rectangular microfluidic channels for size measurement
Lab on a Chip 14 (2014) 2319-2326

Andreas Rudolf, Thomas Walther
Laboratory demonstration of a Brillouin lidar to remotely measure temperature profiles of the ocean
Opt. Eng. 53(5) (2014) 051407

D. Sauer, B. Schuster, M. Rosenstihl, S. Schneider, V. Talluto, T. Walther, T. Blochowicz, B. Stühn, M. Vogel
Dynamics of water-alcohol mixtures: Insights from nuclear magnetic resonance, broadband dielectric spectroscopy, and triplet solvation dynamics
The Journal of Chemical Physics 140 (2014) 114503

2013

Benjamin Rein, Thomas Walther
Towards Lasing Without Inversion in mercury at 253.7 nm
OSA Technical Digest (online) (Optical Society of America, 2013), paper JTh2A.79. Poster presentation paper JTh2A.79. CLEO Conference (2013)

Tobias Beck, Benjamin Rein, Thomas Walther
An all-solid-state Argon ion laser replacement
OSA Technical Digest (online) (Optical Society of America, 2013), paper JTh2A.66. Poster presentation paper JTh2A.66. CLEO Conference (2013)

2012

T. Beck, B. Rein, Th. Walther
An all-solid-state based laser system for laser cooling of relativistic ion beams
GSI Scientific Report (2012)

D.F.A. Winters, C. Clark, C. Dimopoulou, T. Giacomini, C. Kozhuharov, Th. Kühl, Yu.A. Litvinov, M. Lochmann, W. Nörtershäuser, F. Nolden, R. Sanchez, S. Sanjari, M. Steck, Th. Stöhlker, J. Ullmann, T. Beck, G. Birkl, B. Rein, S. Tichelmann, T. Walther, X. Ma, W. Wen, J. Yang, D. Zhang, U. Schramm, M. Seltmann, M. Siebold, and M. Bussmann
Laser cooling of stored relativistic C3+ ions at the ESR
GSI Scientific Report (2012)

Andreas Rudolf, Thomas Walther
High-transmission excited-state Faraday anomalous dispersion optical filter edge filter based on a Halbach cylinder magnetic-field configuration
Optics Letter 37 (2012) 4477-4479

Thorsten Führer, Thomas Walther
Control and active stabilization of the linewidth of an ECDL
Applied Physics B: Lasers and Optics 108 (2012) 249-253

L. Tombez, S. Schilt, J.Di Francesco, Thorsten Führer, B. Rein, T Walther,
G. Di Domenico, D. Hofstetter, P. Thomann
Linewidth of a quantum-cascade laser assessed from its frequency noise spectrum and impact of the current driver
Applied Physics B: Lasers and Optics 109 (2012) 407-414

2011

M. Laatiaoui, H. Backe, M. Block, F. P. Heßberger, P. Kunz, F. Lautenschläger, W. Lauth, T. Walther
Towards optical spectroscopy of nobelium
GSI Scientific Report (2011) 219

Daniel Depenheuer, Mathias Sinther, Jörg Kohl-Landgraf, Thomas Walther
Precise measurement of Land́e g-factors in the region of the 10V-band of 12CS2
Journal of Molecular Spectroscopy 269 (2011) 86-91

Patrick Villwock, Sebastian Siol, Thomas Walther
Magneto-Optical Trapping of Neutral Mercury
European Physics Journal D 65 (2011) 251-255

Thorsten Führer, Sabine Euler, Thomas Walther
Model for tuning an external-cavity diode laser by polarization locking
J. Opt. Soc. Am. B 28 (2011) 508-514

2010

U. Schramm, M. Bussmann, W. Nörtershäuser, C. Novotny, C. Geppert, Th. Walther, G. Birkl, D.F.A. Winters, Th. Kühl, C. Kozhuharov, M. Steck, K. Beckert, B. Franzke, F. Nolden, C. Dimopoulou, Th. Stöhlker, W. Wen, and X. Ma
Laser Cooling of Relativistic C3+ ions at the ESR
GSI Scientific Report (2010)

Alexandru Popescu and Thomas Walther
On an ESFADOF edge-filter for a range resolved Brillouin lidar: The high vapor density and high pump intensity regime
Applied Physics B 98 (2010) 667

Th. Walther and H. Walther
Was ist Licht? – Von der klassischen Optik zur Quantenoptik
3. aktualisierte Auflage, C.H. Beck Wissen, (Beck Verlag, München, 2010)

P. Villwock, S. Siol, and T. Walther
Cooling and Trapping of Neutral Mercury Atoms in a Magneto-Optical Trap
Quantum Electronics and Laser Science Conference, OSA Technical Digest (CD) (Optical Society of America, 2010), paper QFE6. (2010)

2009

Anke Oertel, Cornelia Lengler, Thomas Walther, Markus Haase
Photonic Properties of Inverse Opals Fabricated from Lanthanide-Doped LaPO₄ Nanocrystals
Chemistry of Materials 21 (2009) 3883-3888

Kai Schorstein, Edward S. Fry and Thomas Walther
Depth resolved temperature measurements of water using the Brillouin-lidar technique
Applied Physics B 97 (2009) 931

Daniel Depenheuer, Jörg Kohl-Landgraf, Henning Glaesser and Thomas Walther
A pulsed laser system with large spectral coverage by nonlinear frequency conversion
Applied Physics B 97 (2009) 583

Kai Schorstein and Thomas Walther
A high spectral brightness Fourier transform limited nanosecond Yb-doped fiber amplifier
Applied Physics B 97 (2009) 591

Thorsten Führer, Denise Stang and Thomas Walther
Actively controlled tuning of an external cavity diode laser by polarization spectroscopy
Optics Express 17 (2009) 4991-4996

2008

Kai Schorstein, Alexandru Popescu, M. Göbel and Thomas Walther
Remote Measurements of water temperature based on Brillouin Scattering with a frequency doubled pulsed Yb:doped fiber amplifier
Sensors 8 (2008) 5820-5831

Thorsten Führer and Thomas Walther
Novel approaches to tunable lasers: extending mode-hop-free tuning range and spectral coverage
Frequenz 3-4 (2008) 84-88

Thorsten Führer and Thomas Walther
Extension of the mode-hop free tuning range of an External Cavity Diode Laser Based on a Model of the Mode-hop Dynamics
Optics Letter 33 (2008) 372-374

Thomas Walther and Edward S. Fry
Remote sensing of sound speed and temperature in the ocean
Sea&Technology (2008)

2007

Thomas Walther
Prospects of Trapping Mercury
Journal of Modern Optics 54 (2007) 2523-2532

Kai Schorstein, Gerrit Scheich, Alexandru Popescu, Thomas Walther, Edward S. Fry
A Fiber Amplifier and an ESFADOF: Developments for a Transceiver in a Brillouin-LIDAR
Laser Physics 17 (2007) 975-982

2006

Albert Seifert, Mathias Sinther, Thomas Walther, Edward S. Fry
Narrow-linewidth, multi-Watt Yb:doped fiber amplifier at 1014.8 nm
Appl. Opt. 45 (2006) 7908

Lucht et al.
Nitric oxide sensor and method
US Patent 6 982 426

R. Barron-Jimenez, J.A. Caton, T. N. Anderson, R.P. Lucht, Th. Walther, S. Roy, M.S. Brown, J. R. Gord
Application of a Difference-Frequency-Mixing Based Diode-Laser Sensor for Carbon Monoxide Detection in the 4.4-4.8 micron Spectral Range
Applied Physics B 85 (2006) 185-197

Th. Amthor, M. Sinther und Th. Walther
An injection-seeded, single-mode continuous wave Ti:sapphire laser
Laser Physics Letters 3 (2006) 75-78

Kai Schorstein, Alexandru Popescu, Gerrit Scheich, Thomas Walther, and Edward S. Fry
Towards a Brillouin-LIDAR for remote sensing of the temperature profile in the ocean
IEEE Conference OCEANS 2006, Boston, 2006

Alexandru Popescu, Daniel Walldorf, Kai Schorstein and Thomas Walther
On an Excited State Faraday Anomalous Dispersion Optical Filter at Moderate Pump Powers for a Brillouin-LIDAR Receiver System
Opt. Comm. 264, (2006) 475-481

2005

Thomas N. Anderson et al.
Combustion exhaust measurements of nitric oxide using an ultra-violet diode-laser-based absorption sensor
Appl. Opt. 44 (2005) 1491

A. Popescu und Th. Walther
On the Potential of Faraday Anomalous Dispersion Optical Filter as High-Resolution Edge Filters
Laser Physics 15 (2005) 55-60

2004

A. Popescu, K. Schorstein und Th. Walther
A Novel Approach to a Brillouin-LIDAR for Remote Sensing of the Ocean Temperature
Appl. Phys. B 79 (2004) 955-961

Th. Walther and H. Walther
Was ist Licht? – Von der klassischen Optik zur Quantenoptik
2. aktualisierte Auflage, C.H. Beck Wissen, (Beck Verlag, München, 2004)

Gernot Alber and Thomas Walther
Quanteninformationsverarbeitung-Prüfstein für IT-Sicherheit
2004, Thema Forschung, Germany

2003

Edward S. Fry and Thomas Walther
Independent storage of the two components of an entangled state
J. of Mod. Opt. 50 (2003) 2341-2350

Thomas Walther
Prospects of trapping neutral mercury: Formation of vibrationally cold molecules and entanglement of atoms
Wiley-VCH (2003)

2002

Edward S. Fry, Jeffrey Katz, Dahe Liu and Thomas Walther
Temperature dependence of the Brillouin linewidth in water
J. of Mod. Opt. 49 (2002) 411-418

Sherif F. Hanna and Rodolfo Barron-Jimenez and Thomas N. Anderson and Robert P. Lucht and Jerry A. Caton and Thomas Walther
Diode-Laser-Based Ultraviolet Absorption Sensor for Nitric Oxide
Appl. Phys. B 75 (2002) 113-117

Thomas Walther and Edward S. Fry
Mercury – the Rosetta Stone of Physics?
J. Opt. B: Quantum Semiclass. Opt. 4 (2002) S376-383

Edward S. Fry, George Kattawar, J. Pan and Thomas Walther
System and Method for Detecting Underwater Objects
US Patent 6 388 246

Edward S. Fry and Thomas Walther
Atom based tests of the Bell inequalities – the Legacy of John Bell continues….
in Quantum (Un)speakables, Springer, (2002)

2001

Gustavo J. Ray, Thomas N. Anderson, Jerald A. Caton, Robert P. Lucht and Thomas Walther
OH sensor based on ultra-violet, continuous-wave absorption spectroscopy utilizing a frequency-quadrupled, fiber-amplified external cavity diode laser
Optics Lett. 26 (2001) 1870-1872

G.J. Ray, T.N. Anderson, R.P. Lucht, Th. Walther, and J.A. Caton
Fiber-Amplified, Diode-Laser-Based Sensor for OH Absorption
Second Joint Meeting of the US Sections of the Combustion Institute, paper 268, (2001)

Remus Nicolaescu, Edward S. Fry and Thomas Walther
Generation of Near Fourier Transform Limited High Energy Pulses in a chain of fiber/bulk amplifier
Opt. Lett. 26 (2001) 13-15

Th. Walther
in: Contemporary Dictionary of Physics, Dipak Basu (Ed.)
CRC, (2001)

Thomas Walther, Matthew P. Larsen and Edward S. Fry
Generation of Fourier-transform limited 35-ns pulses using a ramp-hold-fire seeding technique in a Ti:Sapphire laser
Applied Optics-LP 40 (2001) 3046-3050

2000

E. S. Fry, M. Lukin, Th. Walther and G. R. Welch
Four-level atomic coherence and cw VUV lasers
Opt. Comm. 179 (2000) 499

E.S. Fry and Th. Walther
Fundamental Tests of Quantum Mechanics
Advances in Atomic, Molecular, and Optical Physics, Academic Press, New York, 2000).

1989-1999

A. McIntosh, Th. Walther, R.R. Lucchese, J.W. Bevan, R.D. Suenram and A.C. Legon
The microwave spectrum and ground-state structure of H2O … HI
Chem. Phys. Lett. 314 (1999) 57-64

C. Tian, Th. Walther, R. Nicolaescu, X.J. Pan, Y. Liao and E.S. Fry
Synchronous, dual-wavelength, injection-seeded amplification of 5 ns pulses in a flashlamp-pumped Ti:sapphire laser
Opt. Lett. 24 (1999) 1496-1498

R. Nicolaescu, Th. Walther, E. S. Fry and M. Muendel
Ultra-narrow linewidth, efficient amplification of low power seed sources by a fiber amplifier
Appl. Opt. 38 (1999) 1784

Y. Emery, A. Fleischhauer, Th. Walther and E.S. Fry
Angle Tuned, type-II, external cavity frequency doubling without temperature stabilization
Appl. Opt. 38 (1999) 972

Th. Walther and H. Walther
Was ist Licht? – Von der klassischen Optik zur Quantenoptik
C.H. Beck Wissen, (Beck Verlag, München, 1999)

Th. Walther, K.R. Chapin and J.W. Bevan
Comment on "Unidirectional radiation of widely tunable THz wave using a prism coupler under noncollinear phase matching condition'' [APL 71, 753 (1997)]
Appl. Phys. Lett. 73 (1998) 3610-3611

E.S. Fry, Th. Walther, and R.A. Kenefick
The Einstein-Podolsky-Rosen debate: on the way to a final answer
Proceedings for Nobel Symposium 104, June 1997 Physica Scripta; T76; pp.47-51, (1998)(refereed)

Th. Walther and E.S. Fry
Ein Neues EPR-Experiment
Physikalische Blätter (March 1997) (1997) 229

Th. Walther and E.S. Fry
On Some Aspects of a Hg Based EPR Experiment
Zeitschr. f. Naturforschung, Proceedings of the workshop in honor of E.C.G. Sudarshan, 52a, (1997), p.20 (refereed)

E.S. Fry and Th. Walther
A Bell Inequality Experiment Based on Molecular Dissociation – Extension of the Lo-Shimony Proposal to 199Hg (Nuclear Spin 1/2) Dimersin ``Experimental Metaphysics – Quantum Mechanical Studies in Honor of Abner Shimony''
(Kluwer Academic, Lancaster, 1997), p. 61

J.T. White, E.S. Fry and Th. Walther
Spectroscopic Particle Detection: A New Technique to Search for WIMPS
Proc. of the 14th Int. Conference on the Application of Accelerators in Research and Industry, AIP conference proceedings 392, p. 1039, Denton, TX 1996; (refereed)

E.S. Fry and Th. Walther
A Loophole Free Test of the Bell Inequalities
Proceedings of the Adriatico Research Conference on Quantum Interferometry II, Trieste, Italy 1996; in ``Quantum Interferometry'', (VCH Publishing Group, Weinheim, 1996), p.107

Th. Walther and E.S. Fry
An experimental Realization of Bohm's Spin-1/2 Particle EPR-Gedankenexperiment
Proc. of the II. Int. Symposium on Fundamental Problems in Quantum Physics, Oviedo, Spain 1996; in ''New developments in fundamental quantum physics'', (Kluwer Academic, Dordrecht, 1997),p. 431-439

Th. Walther, H. Bitto, T.K. Minton and J.R. Huber
UV-IR Double-Resonance Spectroscopy of Jet-Cooled Propynal Detected by the Fluorescence Dip Method
Chem. Phys. Lett. 231 (1994) 64

Th. Walther, H. Bitto and J.R. Huber.
High-Resolution Quantum Beat Spectroscopy in the Electronic Ground State of a Polyatomic Molecule by IR-UV Pump-Probe Method
Chem. Phys. Lett. 209 (1993) 455

Th. Walther, H. Bitto and J.R. Huber
High-Resolution Quantum Beat Spectroscopy in the Electronic Ground State of a Polyatomic Molecule by IR-UV Pump-Probe Method
Proc. 13th Coll. on High-Resolution Molecular Spectroscopy, Riccione, Italy, (1993)

J. Krause, M.O. Scully, Th. Walther and H. Walther
Preparation of a Pure Number State and Measurement of the Photon Statistics in a High Q-Micromaser
Phys. Rev. A 39 (1989) 1915

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Prior to 2016