Publications

20. Non-Gaussian photonic state engineering with the quantum frequency processor. Andrew J. Pizzimenti, Joseph M. Lukens, Hsuan-Hao Lu, Nicholas A. Peters, Saikat Guha, Christos N. Gagatsos. Accepted in Physical Review A. arXiv:2108.08290

19. Heralded-Multiplexed High-Efficiency Cascaded Source of Dual-Rail Polarization-Entangled Photon Pairs using Spontaneous Parametric Down Conversion. Prajit Dhara, Spencer J. Johnson, Christos N. Gagatsos, Paul G. Kwiat, Saikat Guha. arXiv:2107.14360

18. High-Purity Pulsed Squeezing Generation with Integrated Photonics. Chaohan Cui, Christos N. Gagatsos, Saikat Guha, Linran Fan. Phys. Rev. Research 3, 013199. arXiv:2007.07387

17. Entanglement enhanced estimation of parameter embedded in multiple phases.Michael R. Grace, Christos N. Gagatsos, Saikat Guha. Phys. Rev. Research 3, 033114. arXiv:2004.04152

16. Quantum-Enhanced Fiber-Optic Gyroscopes Using Quadrature Squeezing and Continuous Variable Entanglement. Michael R. Grace, Christos N. Gagatsos, Quntao Zhuang, Saikat Guha. Phys. Rev. Applied 14, 034065arXiv:2003.12545

15. Covert Capacity of Bosonic Channels. Christos N. Gagatsos, Michael S. Bullock, Boulat A. Bash. IEEE Journal on Selected Areas in Information Theory ( Volume: 1, Issue: 2, Aug. 2020)arXiv:2002.06733

14. Non-producibility of arbitrary non-Gaussian states using zero-mean Gaussian states and partial photon number resolving detection. Christos N. Gagatsos, Saikat Guha. Accepted in Physical Review Research. arXiv:1909.03498

13. Fundamental limits of quantum-secure covert communication over bosonic channels. Michael S. Bullock, Christos N. Gagatsos, Saikat Guha, Boulat A. Bash. arXiv:1907.04228 IEEE Journal on Selected Areas in Communications, vol. 38, no. 3, pp. 471-482, March 2020

12. Efficient representation of Gaussian states for multi-mode non-Gaussian quantum state engineering via subtraction of arbitrary number of photons. Christos N. Gagatsos, Saikat Guha. Phys. Rev. A 99, 053816.

11. Quantum enhanced estimation of diffusion. Dominic Branford, Christos N. Gagatsos, Jai Grover, Alexander J. Hickey, Animesh Datta. Phys. Rev. A 100, 022129 (2019).

10. Covert sensing using floodlight illumination. Christos N. Gagatsos, Boulat A. Bash, Animesh Datta, Zheshen Zhang, Saikat Guha. Phys. Rev. A 99, 062321 (2019).

9. Bounding the quantum limits of precision for phase estimation with loss and thermal noise. Christos N. Gagatsos, Boulat A. Bash, Saikat Guha, Animesh Datta. Phys. Rev. A 96, 062306 (2017).

8. Fundamental limits of quantum-secure covert optical sensing. Boulat A. Bash, Christos N. Gagatsos, Saikat Guha, Animesh Datta.IEEE ISIT 2017A more detailed version can be found onarXiv.

7. Gaussian systems for quantum enhanced multiple phase estimation. C. N. Gagatsos, D. Branford, A. Datta. Phys. Rev. A 94, 042342.

6. Entropy generation in Gaussian quantum transformations:
applying the replica method to continuous-variable quantum information theoryC. N. Gagatsos, A. I. Karanikas, G. Kordas, and N. J. Cerf.  npj Quantum Information 2, 15008.

5. Heralded noiseless amplification and attenuation of non-Gaussian states of light. C. N. Gagatsos, J. Fiurasek, A. Zavatta, M. Bellini, and N. J. Cerf.  Phys. Rev. A 89, 062311 (2014).

4. Majorization relations and entanglement generation in a beam splitter. C. N. Gagatsos, O. Oreshkov, N. J. Cerf. Phys. Rev. A 87, 042307 (2013).

3. Mutual information and Bose-Einstein condensation.C. N. Gagatsos, A. I. Karanikas and G. I. Kordas Open Syst. Inf. Dyn. 20, 1350008 (2013).

2. Probabilistic phase-insensitive optical squeezer in compliance with causality. C. N. Gagatsos, E. Karpov and N. J. Cerf. Phys. Rev. A 86, 012324 (2012).

1. Complex Time Evolution of Open Quantum Systems. C. N. Gagatsos, A. I. Karanikas and G. I. Kordas Open Syst. Inf. Dyn. 18, 261 (2011).