Quantum Optical Realization of Arbitrary Linear Transformations Allowing for Loss and Gain

Unitary transformations are routinely modeled and implemented in the field of quantum optics. In contrast, nonunitary transformations, which can involve loss and gain, require a different approach. In this work, we present a universal method to deal with nonunitary networks. An input to the method i...

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Bibliographic Details
Main Authors: N. Tischler, C. Rockstuhl, K. Słowik
Format: Article
Language:English
Published: American Physical Society 2018-04-01
Series:Physical Review X
Online Access:http://doi.org/10.1103/PhysRevX.8.021017