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All-optical Quantum State Engineering for Rotation-symmetric Bosonic States

Nehra, Rajveer and Eaton, Miller and Pfister, Olivier and Marandi, Alireza (2021) All-optical Quantum State Engineering for Rotation-symmetric Bosonic States. . (Unpublished)

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Continuous-variable quantum information processing through quantum optics offers a promising platform for building the next generation of scalable fault-tolerant information processors. To achieve quantum computational advantages and fault tolerance, non-Gaussian resources are essential. In this work, we propose and analyze a method to generate a variety of non-Gaussian states using coherent photon subtraction from a two-mode squeezed state followed by photon-number-resolving measurements. The proposed method offers a promising way to generate rotation-symmetric states conventionally used for quantum error correction with binomial codes and truncated Schrödinger cat codes. We consider the deleterious effects of experimental imperfections such as detection inefficiencies and losses in the state engineering protocol. Our method can be readily implemented with current quantum photonic technologies.

Item Type:Report or Paper (Discussion Paper)
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URLURL TypeDescription Paper
Nehra, Rajveer0000-0002-0165-2188
Marandi, Alireza0000-0002-0470-0050
Additional Information:Attribution 4.0 International (CC BY 4.0). RN thanks Prof. Joshua Combes for fruitful discussions. ME thanks Chun-Hung Chang and Prof. Nicolas Menicucci for helpful feedback and conversation. RN and AM gratefully acknowledge support from ARO grant no. W911NF-18-1-0285, and NSF grant no. 1846273 and 1918549. The authors wish to thank NTT Research for their financial and technical support. ME and OP gratefully acknowledge support from NSF grant PHY-1708023, Jefferson Laboratory LDRD grant. We are grateful to developers of QuTip Python Package [97], which was used to perform numerical simulations in this work.
Funding AgencyGrant Number
Army Research Office (ARO)W911NF-18-1-0285
Record Number:CaltechAUTHORS:20211006-164745209
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Usage Policy:No commercial reproduction, distribution, display or performance rights in this work are provided.
ID Code:111242
Deposited By: Tony Diaz
Deposited On:06 Oct 2021 17:07
Last Modified:06 Oct 2021 17:07

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