Emerging material platforms for integrated microcavity photonics

J Liu, F Bo, L Chang, CH Dong, X Ou, B Regan… - Science China Physics …, 2022 - Springer
Many breakthroughs in technologies are closely associated with the deep understanding
and development of new material platforms. As the main material used in microelectronics …

The dissipative Talbot soliton fiber laser

H Zhang, Y Du, C Zeng, Z Sun, Y Zhang, J Zhao… - Science …, 2024 - science.org
Talbot effect, characterized by the replication of a periodic optical field in a specific plane, is
governed by diffraction and dispersion in the spatial and temporal domains, respectively. In …

All‐Optical Parametric‐Assisted Oversampling and Decimation for Signal Denoising Amplification

MP Fernandez, S Kaushal, B Crockett… - Laser & Photonics …, 2023 - Wiley Online Library
Decimation is a common process in digital signal processing that involves reducing the
sampling rate of an oversampled signal by linearly combining consecutive samples. Among …

Precise dynamic characterization of microcombs assisted by an RF spectrum analyzer with THz bandwidth and MHz resolution

R Wang, L Chen, H Hu, Y Zhao, C Zhang, W Zhang… - Optics …, 2021 - opg.optica.org
The radio frequency (RF) spectrum of microcombs can be used to evaluate its phase noise
features and coherence between microcomb teeth. Since microcombs possess …

Four-wave mixing based spectral Talbot amplifier for programmable purification of optical frequency combs

Z Li, Q Xie, Y Zhang, H Zhang, C Huang, C Shu - APL Photonics, 2024 - pubs.aip.org
Optical frequency combs (OFCs) with programmable free spectral range and high optical
carrier-to-noise ratio (CNR) play a crucial role in diverse research fields, including …

Sub-THz optical frequency comb generation by efficient repetition-rate multiplication of a 250-MHz mode-locked laser

XZ Li, M Seghilani, LR Cortés… - IEEE Journal of Selected …, 2020 - ieeexplore.ieee.org
We demonstrate pulse repetition-rate multiplication (RRM) of a low-rate (sub-GHz)
commercial mode-locked laser (MLL) source, and show the potential of the method for …

Binary programmable optical pulse repetition-rate multiplication based on real-time Fourier transform

Z Li, Q Xie, Y Zhang, H Zhang… - Journal of Lightwave …, 2023 - ieeexplore.ieee.org
We propose and demonstrate a novel scheme to flexibly generate optical pulse trains with
programmable repetition rates using newly designed binary modulation coefficients. The …

Experimental observation of the spectral self-imaging effect with a four-wave mixing time lens

H Huang, Y Li, C Qin, W Li, L Zhao, C Liu, B Wang… - Optics Letters, 2023 - opg.optica.org
Here we use a four-wave mixing time lens to demonstrate the spectral self-imaging effect for
a frequency comb. The time lens is built by imposing a temporal quadratic phase modulation …

[HTML][HTML] High-resolution time-resolved spectroscopy based on hybrid asynchronous optical sampling

H Hu, N Yang, Z Liao, L Chen, C Zhang, W Wang… - APL Photonics, 2022 - pubs.aip.org
The capability of characterizing arbitrary and non-repetitive emission spectra with a high
resolution in real-time is of great merit in various research fields. Optical frequency combs …

Temporal Talbot effect of optical dark pulse trains

J Wu, J Hu, CS Brès - Optics Letters, 2022 - opg.optica.org
The temporal Talbot effect describes the periodic self-imaging of an optical pulse train along
dispersive propagation. This is well studied in the context of bright pulse trains, where …