Title :
Deterministic Minimum Disturbance Measurement on a Polarization Qubit
Author :
Baek, So-Young ; Cheong, Yong Wook ; Kim, Yoon-Ho
Author_Institution :
Dept. of Phys., Pohang Univ. of Sci. & Technol. (POSTECH), Pohang
Abstract :
We propose and demonstrate a postselection-free linear optical minimum disturbance measurement (MDM) device which optimally measures the polarization qubit of a single-photon with the help of an ancillary path qubit introduced to the same photon.
Keywords :
light polarisation; optical communication equipment; quantum communication; quantum computing; quantum optics; ancillary path qubit; linear optical device; minimum disturbance measurement; optimal quantum measurement; single-photon polarization qubit; Circuits; Educational technology; Feedforward systems; Gain measurement; Optical devices; Optical polarization; Performance evaluation; Photonics; Q measurement; State estimation; Quantum measurement; quantum communication; uncertainty principle;
Conference_Titel :
Telecommunication Technologies 2008 and 2008 2nd Malaysia Conference on Photonics. NCTT-MCP 2008. 6th National Conference on
Conference_Location :
Putrajaya
Print_ISBN :
978-1-4244-2214-2
Electronic_ISBN :
978-1-4244-2215-9
DOI :
10.1109/NCTT.2008.4814247
