Design and Implementation of CORDIC algorithm using Integrated Adder and Subtractor

Bhukya, Sreenivasu; Inguva, Sharath Chandra

doi:10.1109/i2ct51068.2021.9418002

Cited by 6 publications

(1 citation statement)

References 7 publications

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“…In the FPGA, we established two signal paths corresponding to the two actuators: a fast path using the EOM as actuator, and a slow path actuating with the PZT. For the PZT actuation path we estimated the instantaneous phase error by calculating the arctan between q(t) and i(t) using a coordinate rotation digital computer (CORDIC) algorithm [29] which yields Φ e (nT s ) ΔΩ(nT s )nT s + Δφ(nT s ) (mod[−π, π]).…”

Section: Methodsmentioning

confidence: 99%

40 km fiber transmission of squeezed light measured with a real local oscillator

Suleiman¹,

Nielsen²,

Guo³

et al. 2022

Quantum Sci. Technol.

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We demonstrate the generation, 40 km fiber transmission, and homodyne detection of single-mode squeezed states of light at 1550 nm using real-time phase control of a locally generated local oscillator, often called a ''real local oscillator'' or ''local local oscillator''. The system was able to stably measure up to around 3.7 dB of noise suppression with a phase noise uncertainty of around 2.5○, using only standard telecom-compatible components and a field-programmable gate array (FPGA). The compactness, low degree of complexity and efficacy of the implemented scheme makes it a relevant candidate for long distance quantum communication in future photonic quantum networks.

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Section: Methodsmentioning

confidence: 99%