Non-blocking programmable delay line with minimal dead time and tens of picoseconds jitter

Result code in IS VaVaI

<a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F61989592%3A15310%2F21%3A73609091" target="_blank" >RIV/61989592:15310/21:73609091 - isvavai.cz</a>

Result on the web

<a href="https://aip.scitation.org/doi/10.1063/5.0056828" target="_blank" >https://aip.scitation.org/doi/10.1063/5.0056828</a>

DOI - Digital Object Identifier

<a href="http://dx.doi.org/10.1063/5.0056828" target="_blank" >10.1063/5.0056828</a>

Result language

angličtina

Original language name

Non-blocking programmable delay line with minimal dead time and tens of picoseconds jitter

Original language description

We report a non-blocking high-resolution digital delay line based on an asynchronous circuit design. Field-programmable gate array logic primitives were used as a source of delay and optimally arranged using combinatorial optimization. This approach allows for an efficient trade-off of the resolution and a delay range together with a minimized dead time operation. We demonstrate the method by implementing the delay line adjustable from 23 ns up to 1635 ns with a resolution of 10 ps. We present a detailed experimental characterization of the device focusing on thermal instability, timing jitter, and pulse spreading, which represent three main issues of the asynchronous design. We found a linear dependence of the delay on the temperature with the slope of 0.2 ps K-1 per logic primitive. We measured the timing jitter of the delay to be in the range of 7-165 ps, linearly increasing over the dynamic range of the delay. We reduced the effect of pulse spreading by introducing pulse shrinking circuits and reached the overall dead time of 4-22.5 ns within the dynamic range of the delay. The presented non-blocking delay line finds usage in applications where the dead time minimization is crucial, and tens of picoseconds of excess jitter is acceptable, such as in many advanced photonic networks.

Czech name

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Czech description

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Type

J_imp - Article in a specialist periodical, which is included in the Web of Science database

CEP classification

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OECD FORD branch

10306 - Optics (including laser optics and quantum optics)

Project

Result was created during the realization of more than one project. More information in the Projects tab.

Continuities

P - Projekt vyzkumu a vyvoje financovany z verejnych zdroju (s odkazem do CEP)

Publication year

2021

Confidentiality

S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů

Name of the periodical

REVIEW OF SCIENTIFIC INSTRUMENTS

ISSN

0034-6748

e-ISSN

—

Volume of the periodical

92

Issue of the periodical within the volume

11

Country of publishing house

US - UNITED STATES

Number of pages

7

Pages from-to

"114712-1"-"1-114712-7"

UT code for WoS article

000726048900001

EID of the result in the Scopus database

2-s2.0-85120753810