610 citations · 3.1k across the 21 of their papers we have counts for
21 papers
A chip-based optoelectronic-oscillator frequency comb
Jinbao Long, Zhongkai Wang, Huanfa Peng +14
Microresonator-based Kerr frequency combs ("Kerr microcombs") constitute chip-scale frequency combs of broad spectral bandwidth and repetition rate ranging from gigahertz to terahe…
Vector spectrometer with Hertz-level resolution and super-recognition capability
Ting Qing, Shupeng Li, Huashan Yang +9
High-resolution optical spectrometers are crucial in revealing intricate characteristics of signals, determining laser frequencies, measuring physical constants, identifying substa…
Microresonator soliton frequency combs via cascaded Brillouin scattering
Hao Zhang, Shuangyou Zhang, Toby Bi +7
We demonstrate Kerr soliton frequency comb generation that is seeded by a cascaded Brillouin scattering process. In this process, a pump laser is used to generate multiple orders o…
Foundry manufacturing of tight-confinement, dispersion-engineered, ultralow-loss silicon nitride photonic integrated circuit
Zhichao Ye, Haiyan Jia, Zhangjun Huang +9
The foundry development of integrated photonics has revolutionized today's optical interconnect and datacenters. Over the last decade, we have witnessed the rising of silicon nitri…
A photonic integrated circuit based erbium-doped amplifier
Yang Liu, Zheru Qiu, Xinru Ji +7
Erbium-doped fiber amplifiers have revolutionized long-haul optical communications and laser technology. Erbium ions could equally provide a basis for efficient optical amplificati…
Photo-induced cascaded harmonic and comb generation in silicon nitride microresonators
Jianqi Hu, Edgars Nitiss, Jijun He +5
Silicon nitride (SiN) is an ever-maturing integrated platform for nonlinear optics. Yet, due to the absence of second-order () nonlinearity, SiN is mostly…
Compact, spatial-mode-interaction-free, ultralow-loss, nonlinear photonic integrated circuits
Xinru Ji, Junqiu Liu, Jijun He +4
Nonlinear photonics based on integrated circuits has enabled applications such as parametric amplifiers, soliton frequency combs, supercontinua, and non-reciprocal devices. Ultralo…
Photonic chip-based continuous-travelling-wave parametric amplifier
Johann Riemensberger, Junqiu Liu, Nikolai Kuznetsov +3
The ability to amplify optical signals is of pivotal importance across science and technology. The development of optical amplifiers has revolutionized optical communications, whic…
Coherent terahertz-to-microwave link using electro-optic-modulated Turing rolls
Wenle Weng, Miles H. Anderson, Anat Siddharth +3
Arising from modulation instability, Turing rolls in optical Kerr microresonators have been used in the generation of optical frequency combs and the synthesis of microwave and ter…
Magnetic-Free Silicon Nitride Integrated Optical Isolator
Hao Tian, Junqiu Liu, Anat Siddharth +5
Integrated photonics has enabled signal synthesis, modulation and conversion using photonic integrated circuits (PIC). Many materials have been developed, among which silicon nitri…
Ultralow-noise frequency-agile photonic integrated lasers
Grigory Lihachev, Johann Riemensberger, Wenle Weng +8
Low-noise lasers are of central importance in a wide variety of applications, including high spectral-efficiency coherent communication protocols, distributed fibre sensing, and lo…
Platicon microcomb generation using laser self-injection locking
Grigory Lihachev, Junqiu Liu, Wenle Weng +7
The past decade has witnessed major advances in the development of microresonator-based frequency combs (microcombs) that are broadband optical frequency combs with repetition rate…
Low-loss integrated nanophotonic circuits with layered semiconductor materials
Tianyi Liu, Ioannis Paradisanos, Jijun He +13
Monolayer transition metal dichalcogenides with direct bandgaps are emerging candidates for microelectronics, nano-photonics, and optoelectronics. Transferred onto photonic integra…
Gain-switched semiconductor laser driven soliton microcombs
Wenle Weng, Aleksandra Kaszubowska-Anandarajah, Jijun He +5
Dissipative Kerr solitons (DKSs) have been generated via injection locking of chipscale microresonators to continuous-wave (CW) III-V lasers. This advance has enabled fully integra…
High-yield wafer-scale fabrication of ultralow-loss, dispersion-engineered silicon nitride photonic circuits
Junqiu Liu, Guanhao Huang, Rui Ning Wang +5
Low-loss photonic integrated circuits (PIC) and microresonators have enabled novel applications ranging from narrow-linewidth lasers, microwave photonics, to chip-scale optical fre…
Monolithic piezoelectric control of soliton microcombs
Junqiu Liu, Hao Tian, Erwan Lucas +9
High-speed laser frequency actuation is critical in all applications employing lasers and frequency combs, and is prerequisite for phase locking, frequency stabilization and stabil…
Reconfigurable radiofrequency filters based on versatile soliton microcombs
Jianqi Hu, Jijun He, Junqiu Liu +5
The rapidly maturing integrated Kerr microcombs show significant potential for microwave photonics. Yet, state-of-the-art microcomb based radiofrequency (RF) filters have required…
Integrated turnkey soliton microcombs operated at CMOS frequencies
Boqiang Shen, Lin Chang, Junqiu Liu +14
While soliton microcombs offer the potential for integration of powerful frequency metrology and precision spectroscopy systems, their operation requires complex startup and feedba…
Observation of stimulated Brillouin scattering in silicon nitride integrated waveguides
Flavien Gyger, Junqiu Liu, Fan Yang +6
Silicon nitride (Si3N4) has emerged as a promising material for integrated nonlinear photonics and has been used for broadband soliton microcombs and low-pulse-energy supercontinuu…
Packaged photonic chip-based soliton microcomb using an ultralow-noise laser
Arslan S. Raja, Junqiu Liu, Nicolas Volet +7
Photonic chip-based soliton microcombs have shown rapid progress and have already been used in many system-level applications, including coherent communications, astrophysical spec…
Nanophotonic soliton-based microwave synthesizers
Junqiu Liu, Erwan Lucas, Arslan S. Raja +7
Microwave photonic technologies, which upshift the carrier into the optical domain to facilitate the generation and processing of ultrawide-band electronic signals at vastly reduce…