χ(2) nonlinear photonics in integrated microresonators

P Liu, H Wen, L Ren, L Shi, X Zhang - Frontiers of Optoelectronics, 2023 - Springer
Abstract Second-order (χ (2)) optical nonlinearity is one of the most common mechanisms for
modulating and generating coherent light in photonic devices. Due to strong photon …

Agile THz-range spectral multiplication of frequency combs using a multi-wavelength laser

S Abdollahi, M Ladouce, P Marin-Palomo… - Nature …, 2024 - nature.com
A breakthrough technology, on-chip frequency comb sources offer broadband combs while
being compact, energy-efficient, and cost-effective solutions for various applications from …

[HTML][HTML] A short guide to recent developments in laser-based gas phase spectroscopy, applications, and tools

V Shumakova, OH Heckl - APL Photonics, 2024 - pubs.aip.org
This article provides an overview of laser-based absorption spectroscopy applications and
discusses the parameter space and requirements of laser systems for each of these …

Electrically empowered microcomb laser

J Ling, Z Gao, S Xue, Q Hu, M Li, K Zhang… - Nature …, 2024 - nature.com
Optical microcomb underpins a wide range of applications from communication, metrology,
to sensing. Although extensively explored in recent years, challenges remain in key aspects …

[HTML][HTML] Wideband image-reject RF channelization based on soliton microcombs

J Ding, Y Wu, H Yang, C Zhang, Y Zhang, J He, D Zhu… - APL Photonics, 2023 - pubs.aip.org
Wideband radio frequency (RF) channelization is essential for the reception and detection of
cross-band RF signals in various applications, including communications, radar, and …

[HTML][HTML] A reference-free dual-comb spectroscopy calibrated by passive devices

C Liu, L Xu, L Zhang, D Wang, Z Cao, Z Zhang… - APL Photonics, 2023 - pubs.aip.org
Dual-comb spectroscopy has enabled new approaches for optical precision measurements.
Although Doppler-limited resolution can be achieved over long-time scales across a large …

Superefficient microcombs at the wafer level

M Girardi, ÓB Helgason, CHL Ortega… - arXiv preprint arXiv …, 2023 - arxiv.org
Photonic integrated circuits utilize planar waveguides to process light on a chip,
encompassing functions like generation, routing, modulation, and detection. Similar to the …

Distortion-free amplification of 100 GHz mode-locked optical frequency comb using quantum dot technology

V Cao, S Pan, Y Fan, D Wu, M Tang, A Seeds, H Liu… - Optics …, 2023 - opg.optica.org
Semiconductor mode-locked optical frequency comb (ML-OFC) sources with extremely high
repetition rates are central to many high-frequency applications, such as dense wavelength …

[PDF][PDF] 微腔光频梳研究进展: 从均匀到非均匀泵浦

张晨希, 殷科, 江天 - 仪器仪表学报, 2024 - jemi.cnjournals.com
光频梳光谱在频域呈梳状等间距分布, 兼具宽光谱, 高相干, 低相噪等特点, 因此在光钟, 测距,
光谱检测, 相干通信等诸多领域具有良好应用前景. 微腔为光频梳产生提供了小型集成化平台 …

Generation of optical frequency combs by Q-switching integrated multi-section semiconductor lasers

P López-Querol, C Quevedo-Galán… - Optics …, 2023 - opg.optica.org
In this work we perform a theoretical and simulation analysis of the behavior of an integrated
four section distributed Bragg reflector semiconductor laser under optical injection and Q …