# Bibliography


[1] Sofia Arranz Regidor, Gavin Crowder, Howard Carmichael, and Stephen Hughes, 
“Modeling quantum light-matter interactions in waveguide QED with retardation, nonlinear interactions, 
and a time-delayed feedback: Matrix product states versus a space-discretized waveguide model”, Phys. Rev. Res. 3, 023030 (2021).

[2] R. Orús, "A practical introduction to tensor networks: Matrix product states and projected entangled pair states", 
Annals of Physics 349, 117 (2014)

[3] Hannes Pichler and Peter Zoller, 
“Photonic Circuits with Time Delays and Quantum Feedback”, Phys. Rev. Lett. 116, 093601 (2016).

[4] Arne L. Grimsmo,
"Time-Delayed Quantum Feedback Control", Phys. Rev. Lett. 115, 060402 (2015)

[5] Sofia Arranz Regidor and Stephen Hughes, 
“Cavitylike strong coupling in macroscopic waveguide QED using three coupled qubits in the deep non-Markovian regime”,
Phys. Rev. A 104, L031701 (2021).

[6] Sofia Arranz Regidor and Stephen Hughes, 
“Probing dressed states and quantum nonlinearities in a strongly coupled three-qubit waveguide system under optical pumping”,
Phys. Rev. A 108, 033719 (2023).

[7] Sofia Arranz Regidor, Andreas Knorr, and Stephen Hughes, 
“Theory and simulations of few-photon Fock state pulses strongly interacting with a single qubit in a waveguide: Exact population 
dynamics and time-dependent spectra”, Phys. Rev. Res. 7, 023295 (2025).

[8] Sofia Arranz Regidor, Franco Nori, and Stephen Hughes, 
“Theory of multiqubit superradiance in a waveguide in the presence of finite delay times and two quantum excitations”,
Phys. Rev. A 112, 063702 (2025).

[9] R. N. C. Pfeifer, G. Evenbly, S. Singh, and G. Vidal, 
"NCON: A tensor network contractor for MATLAB", arXiv:1402.0939, (2015)