Frequency comb measurements for 6G terahertz nano/microphotonics and metamaterials

G Kang, Y Lee, J Kim, D Yang, HK Nam, S Kim… - …, 2024 - degruyter.com
Next-generation 6G communication holds the potential to revolutionize data transfer,
enabling the realization of eXtended Reality (XR) with enhanced sensory experiences. To …

Optically referenced 300 GHz millimetre-wave oscillator

T Tetsumoto, T Nagatsuma, ME Fermann… - Nature …, 2021 - nature.com
Optical frequency division via optical frequency combs has enabled a leap in microwave
metrology, leading to noise performance never explored before. Extending this method to …

Ultrastable microwave and soliton-pulse generation from fibre-photonic-stabilized microcombs

D Kwon, D Jeong, I Jeon, H Lee, J Kim - Nature Communications, 2022 - nature.com
The ability to generate lower-noise microwaves has greatly advanced high-speed, high-
precision scientific and engineering fields. Microcombs have high potential for generating …

Towards high-power, high-coherence, integrated photonic mmWave platform with microcavity solitons

B Wang, JS Morgan, K Sun, M Jahanbozorgi… - Light: Science & …, 2021 - nature.com
Millimetre-wave (mmWave) technology continues to draw great interest due to its broad
applications in wireless communications, radar, and spectroscopy. Compared to pure …

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 …

Photonic comb-rooted synthesis of ultra-stable terahertz frequencies

DC Shin, BS Kim, H Jang, YJ Kim, SW Kim - Nature Communications, 2023 - nature.com
Stable terahertz sources are required to advance high-precision terahertz applications such
as molecular spectroscopy, terahertz radars, and wireless communications. Here, we …

Brillouin laser-driven terahertz oscillator up to 3 THz with femtosecond-level timing jitter

BM Heffernan, J Greenberg, T Hori, T Tanigawa… - Nature …, 2024 - nature.com
The terahertz (THz) frequency range, spanning from 0.1 to 10.0 THz, is a field ripe for
innovation with vast, developing potential in areas like wireless communication and …

[HTML][HTML] Photonic THz mixers based on iron-doped InGaAs embedded in a plasmonic microcavity

C Tannoury, V Merupo, G Di Gioia, V Avramovic… - APL Photonics, 2023 - pubs.aip.org
We present an optoelectronic mixer for the terahertz (THz) frequency-domain based on an
iron-doped InGaAs layer integrated in a plasmonic microcavity. We show that this structure …

Repetition rate locked single-soliton microcomb generation via rapid frequency sweep and sideband thermal compensation

R Miao, C Zhang, X Zheng, X Cheng, K Yin… - Photonics …, 2022 - opg.optica.org
Dissipative Kerr solitons (DKSs) with mode-locked pulse trains in high-Q optical
microresonators possess low-noise and broadband parallelized comb lines, having already …

[HTML][HTML] Terahertz microcomb oscillator stabilized by molecular rotation

J Greenberg, BM Heffernan, A Rolland - APL Photonics, 2024 - pubs.aip.org
Controlling the coherence between light and matter has enabled the radiation of
electromagnetic waves with a spectral purity and stability that defines the Système …