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

Kód výsledku v 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>

Výsledek na webu

<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>

Jazyk výsledku

angličtina

Název v původním jazyce

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

Popis výsledku v původním jazyce

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.

Název v anglickém jazyce

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

Popis výsledku anglicky

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.

Druh

J_imp - Článek v periodiku v databázi Web of Science

CEP obor

—

OECD FORD obor

10306 - Optics (including laser optics and quantum optics)

Projekt

Výsledek vznikl pri realizaci vícero projektů. Více informací v záložce Projekty.

Návaznosti

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

Rok uplatnění

2021

Kód důvěrnosti údajů

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

Název periodika

REVIEW OF SCIENTIFIC INSTRUMENTS

ISSN

0034-6748

e-ISSN

—

Svazek periodika

92

Číslo periodika v rámci svazku

11

Stát vydavatele periodika

US - Spojené státy americké

Počet stran výsledku

7

Strana od-do

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

Kód UT WoS článku

000726048900001

EID výsledku v databázi Scopus

2-s2.0-85120753810