Applications of optical microcombs

Y Sun, J Wu, M Tan, X Xu, Y Li, R Morandotti… - Advances in Optics …, 2023 - opg.optica.org
Optical microcombs represent a new paradigm for generating laser frequency combs based
on compact chip-scale devices, which have underpinned many modern technological …

Photonic RF arbitrary waveform generator based on a soliton crystal micro-comb source

M Tan, X Xu, A Boes, B Corcoran, J Wu… - Journal of Lightwave …, 2020 - ieeexplore.ieee.org
We report a photonic-based radio frequency (RF) arbitrary waveform generator (AWG) using
a soliton crystal micro-comb source with a free spectral range (FSR) of 48.9 GHz. The comb …

Towards large-scale programmable silicon photonic chip for signal processing

Y Xie, J Wu, S Hong, C Wang, S Liu, H Li, X Ju, X Ke… - …, 2024 - degruyter.com
Optical signal processing has been playing a crucial part as powerful engine for various
information systems in the practical applications. In particular, achieving large-scale …

Radio-frequency line-by-line Fourier synthesis based on optical soliton microcombs

B Wang, Z Yang, S Sun, X Yi - Photonics Research, 2022 - opg.optica.org
Radio-frequency (RF) waveform synthesis has broad applications in ultrawide-bandwidth
wireless communications, radar systems, and electronic testing. Photonic-based …

A new CubeSat design with reconfigurable multi-band radios for dynamic spectrum satellite communication networks

IF Akyildiz, JM Jornet, S Nie - Ad Hoc Networks, 2019 - Elsevier
Small satellites, or CubeSats, are envisioned as a promising solution for future satellite
communication networks because of their low costs and short deployment cycle. Currently …

Reconfigurable photonic generation of broadband chirped waveforms using a single CW laser and low-frequency electronics

H Guillet de Chatellus, L Romero Cortés… - Nature …, 2018 - nature.com
Broadband radio-frequency chirped waveforms (RFCWs) with dynamically tunable
parameters are of fundamental interest to many practical applications. Recently, photonic …

Photonic generation of dual-chirp waveforms with improved time-bandwidth product

Y Xu, T Jin, H Chi, S Zheng, X Jin… - IEEE Photonics …, 2017 - ieeexplore.ieee.org
We present a photonic method for the generation of dual-chirp signals. In this approach, a
single-tone RF signal is first modulated using a modulator in order to generate two optical …

Programmable broadband optical field spectral shaping with megahertz resolution using a simple frequency shifting loop

C Schnébelin, J Azaña… - Nature communications, 2019 - nature.com
Controlling the temporal and spectral properties of light is crucial for many applications.
Current state-of-the-art techniques for shaping the time-and/or frequency-domain field of an …

Broadband radio-frequency signal synthesis by photonic-assisted channelization

F Yin, Z Yin, X Xie, Y Dai, K Xu - Optics Express, 2021 - opg.optica.org
A channelized radio-frequency (RF) signal synthesis scheme is proposed to generate
broadband RF signals with reconfigurable waveform, center frequency and instantaneous …

On-chip digitally tunable positive/negative dispersion controller using bidirectional chirped multimode waveguide gratings

S Liu, R Ma, Z Yu, Y Shi, D Dai - Advanced Photonics, 2023 - spiedigitallibrary.org
A silicon-based digitally tunable positive/negative dispersion controller (DC) is proposed
and realized for the first time using the cascaded bidirectional chirped multimode waveguide …