The first decade of coupled resonator optical waveguides: bringing slow light to applications

F Morichetti, C Ferrari, A Canciamilla… - Laser & Photonics …, 2012 - Wiley Online Library
A century after the first optical cavity, coupled resonator optical waveguides (CROWs) were
conceived as a new way to guide light on a photonic chip. Controlling chains of coupled …

Photonic beamforming for 5G and beyond: A review of true time delay devices enabling ultra-wideband beamforming for mmWave communications

B Paul, K Sertel, NK Nahar - IEEE Access, 2022 - ieeexplore.ieee.org
The next generations of wireless communications are promising high capacity, low latency,
and high throughput, enabled by millimeter wave spectrum. Beamforming and beam …

Microwave photonic array radars

S Pan, X Ye, Y Zhang, F Zhang - IEEE Journal of Microwaves, 2021 - ieeexplore.ieee.org
Phased array radars have remarkable advantages over radars with single-element antenna
in terms of agility, flexibility, robustness, and reconfigurability. Current pure-electronic …

Continuously tunable ultra-thin silicon waveguide optical delay line

X Wang, L Zhou, R Li, J Xie, L Lu, K Wu, J Chen - Optica, 2017 - opg.optica.org
As light cannot be stopped or directly stored in any media, optical delay lines are usually
used to temporally trap the optical signals. We report a wide-range continuously tunable …

Tunable delay lines in silicon photonics: coupled resonators and photonic crystals, a comparison

A Melloni, A Canciamilla, C Ferrari… - IEEE Photonics …, 2010 - ieeexplore.ieee.org
In this paper, we report a direct comparison between coupled resonator optical waveguides
(CROWs) and photonic crystal waveguides (PhCWs), which have both been exploited as …

Wide-bandwidth continuously tunable optical delay line using silicon microring resonators

J Cardenas, MA Foster, N Sherwood-Droz… - Optics express, 2010 - opg.optica.org
We demonstrate a distortion free tunable optical delay as long as 135 ps with a 10 GHz
bandwidth using thermally tuned silicon microring resonators in the novel balanced …

On-chip CMOS compatible reconfigurable optical delay line with separate carrier tuning for microwave photonic signal processing

M Burla, D Marpaung, L Zhuang, C Roeloffzen… - Optics express, 2011 - opg.optica.org
We report, for the first time, an integrated photonic signal processor consisting of a
reconfigurable optical delay line (ODL) with a separate carrier tuning (SCT) unit and an …

Ultra-low-loss silicon nitride optical beamforming network for wideband wireless applications

Y Liu, AR Wichman, B Isaac… - IEEE Journal of …, 2018 - ieeexplore.ieee.org
Three optical ring resonator (ORR)-based integrated ultra-low-loss silicon nitride 1× 4
optical beamforming networks (OBFNs) for millimeter-wave (mmW) beamsteering are …

Tunable optical delay line based on integrated grating-assisted contradirectional couplers

X Wang, Y Zhao, Y Ding, S Xiao, J Dong - Photonics Research, 2018 - opg.optica.org
Tunable optical delay lines are one of the key building blocks in optical communication and
microwave systems. In this work, tunable optical delay lines based on integrated grating …

Integrated optical delay lines: a review and perspective

L Zhou, X Wang, L Lu, J Chen - Chinese Optics Letters, 2018 - opg.optica.org
Optical delay lines (ODLs) are one of the key enabling components in photonic integrated
circuits and systems. They are widely used in time-division multiplexing, optical signal …