Abstract

We focus on implementation and optimization of an irreversible analog of the Hadamard gate. Three optical schemes are considered for the purpose. Two of them are probabilistic. Another is deterministic provided that a special auxiliary state is prepared beforehand. One of the optical schemes is based on photon subtraction. Number and displaced number states of the quantum oscillator are connected with each other through unitary transformation matrix. Extraction of displaced photons from initial optical beams makes it possible to improve characteristics of the analog of the Hadamard gate. We also present detailed analysis of one of the studied schemes in a realistic scenario. Results stemming from a realistic model coincide with those following from a simplified model.

© 2014 Optical Society of America

Full Article  |  PDF Article
More Like This
Quantum optical interferometry via the mixing of coherent and photon-subtracted squeezed vacuum states of light

Richard Birrittella and Christopher C. Gerry
J. Opt. Soc. Am. B 31(3) 586-593 (2014)

Quantum teleportation protocol with an assistant who prepares amplitude modulated unknown qubits

Sergey A. Podoshvedov
J. Opt. Soc. Am. B 35(4) 861-877 (2018)

Photon-number distributions of non-Gaussian states generated by photon subtraction and addition

Shuai Wang, Hong-yi Fan, and Li-yun Hu
J. Opt. Soc. Am. B 29(5) 1020-1028 (2012)

References

You do not have subscription access to this journal. Citation lists with outbound citation links are available to subscribers only. You may subscribe either as an OSA member, or as an authorized user of your institution.

Contact your librarian or system administrator
or
Login to access OSA Member Subscription

Cited By

You do not have subscription access to this journal. Cited by links are available to subscribers only. You may subscribe either as an OSA member, or as an authorized user of your institution.

Contact your librarian or system administrator
or
Login to access OSA Member Subscription

Figures (6)

You do not have subscription access to this journal. Figure files are available to subscribers only. You may subscribe either as an OSA member, or as an authorized user of your institution.

Contact your librarian or system administrator
or
Login to access OSA Member Subscription

Equations (121)

You do not have subscription access to this journal. Equations are available to subscribers only. You may subscribe either as an OSA member, or as an authorized user of your institution.

Contact your librarian or system administrator
or
Login to access OSA Member Subscription

Metrics

You do not have subscription access to this journal. Article level metrics are available to subscribers only. You may subscribe either as an OSA member, or as an authorized user of your institution.

Contact your librarian or system administrator
or
Login to access OSA Member Subscription