Publications by Viacheslav Snigirev

Piezoelectric actuation for integrated photonics

Tobias Kippenberg, Rui Ning Wang, Anat Siddharth, Viacheslav Snigirev, Andrea Bancora, Andrey Voloshin, Vladimir Shadymov

Recent decades have seen significant advancements in integrated photonics, driven by improvements in nanofabrication technology. This field has been developed from integrated semiconductor lasers and low-loss waveguides to optical modulators, enabling the ...

Optica Publishing Group2024

Lithium-niobate-based narrow-linewidth frequency agile integrated lasers with petahertz frequency tuning rate

Tobias Kippenberg, Rui Ning Wang, Anat Siddharth, Mikhail Churaev, Viacheslav Snigirev, Junqiu Liu, Guanhao Huang

We demonstrate an electro-optically tunable hybrid integrated laser self-injection locked to a mode of a heterogeneously integrated lithium-niobate-on-Damascene-silicon-nitride microresonator. An intrinsic linewidth of 3 kHz and a frequency tuning rate of ...

IEEE2023

Frequency agile photonic integrated external cavity laser

Tobias Kippenberg, Rui Ning Wang, Anat Siddharth, Viacheslav Snigirev, Andrea Bancora, Andrey Voloshin, Vladimir Shadymov

We demonstrate a Vernier ring laser with linear frequency tuning of 1.5 GHz at 100 kHz chirp rate and wavelength switching with 7 ns rise time and 75 nW power consumption using Si3N4 photonic chip with integrated PZT actuators. ...

Optical Society of America2023

A heterogeneously integrated lithium niobate-on-silicon nitride photonic platform

Tobias Kippenberg, Rui Ning Wang, Anat Siddharth, Mikhail Churaev, Viacheslav Snigirev, Junqiu Liu, Miles Henry Anderson

The availability of thin-film lithiumniobate on insulator (LNOI) and advances in processing have led to the emergence of fully integrated LiNbO3 electro-optic devices. Yet to date, LiNbO3 photonic integrated circuits have mostly been fabricated using non-s ...

Nature Portfolio2023

Photonic assembly tunable via the pockels effect and method for use in frequency-modulated lidar

Tobias Kippenberg, Viacheslav Snigirev, Grigorii Likhachev

A photonic assembly, a laser setup comprising said photonic assembly and a method for performing frequency-modulated continuous-wave light detection and ranging using said laser setup are disclosed. The photonic assembly (1) comprises an active photonic ch ...

2023

Low-loss heterogeneously integrated barium-titanate-on-silicon-nitride photonics

Tobias Kippenberg, Rui Ning Wang, Mikhail Churaev, Viacheslav Snigirev

We present a hybrid barium titanate photonics platform exhibiting exceptionally low losses of 0.7 dB/cm and realize ring resonators with intrinsic quality factors exceeding 6×105. Measurement of Vπ L = 0.56 V·cm in electro-optic modulation experiments demo ...

Optical Society of America2023

Programmable Silicon Nitride Photonic Integrated Circuits

Tobias Kippenberg, Rui Ning Wang, Anat Siddharth, Viacheslav Snigirev, Andrea Bancora, Andrey Voloshin, Vladimir Shadymov

Silicon Nitride (Si3N4) photonic integrated circuits (PICs) have emerged as core technology in a variety of applications ranging from LIDAR to quantum control and computing. However, the need for high-speed, low-voltage tuning and modulation has been a lon ...

IEEE2023

Ultrafast tunable lasers using lithium niobate integrated photonics

Tobias Kippenberg, Rui Ning Wang, Anat Siddharth, Mikhail Churaev, Viacheslav Snigirev, Junqiu Liu, Guanhao Huang

Early works(1) and recent advances in thin-film lithium niobate (LiNbO3) on insulator have enabled low-loss photonic integrated circuits(2,3), modulators with improved half-wave voltage(4,5), electro-optic frequency combs(6) and on-chip electro-optic devic ...

NATURE PORTFOLIO2023

Lithium-Niobate-Based Frequency-Agile Integrated Lasers

Tobias Kippenberg, Rui Ning Wang, Anat Siddharth, Mikhail Churaev, Viacheslav Snigirev, Grigorii Likhachev, Junqiu Liu, Guanhao Huang

We demonstrate narrow- linewidth ultrafast tunable integrated lasers based on heterogeneously integrated thin-film lithium niobate on ultra-low loss silicon nitride integrated photonic circuits. Using self-injection locking of a hybrid microresonator, we a ...

IEEE2022

Low-noise frequency-agile photonic integrated lasers for coherent ranging

Tobias Kippenberg, Rui Ning Wang, Anat Siddharth, Viacheslav Snigirev, Junqiu Liu, Wenle Weng, Jijun He, Andrey Voloshin, Vladimir Shadymov

Stable and tunable integrated lasers are fundamental building blocks for applications from spectroscopy to imaging and communication. Here the authors present a narrow linewidth hybrid photonic integrated laser with low frequency noise and fast linear wave ...

Nature Portfolio2022