Notch microwave photonic filter with narrow bandwidth and ultra-high all-optical tuning efficiency based on a silicon nanobeam cavity

L Liu, M Ye, Z Yu, W Xue - Journal of Lightwave Technology, 2023 - ieeexplore.ieee.org
We propose and experimentally demonstrate a narrowband notch microwave photonic filter
(MPF) with an ultra-high all-optical tuning efficiency based on an optimized high-quality (Q) …

Photonic crystal nanobeam cavity with a high experimental Q factor exceeding two million based on machine learning

L Liu, C Ma, M Ye, Z Yu, W Xue… - Journal of Lightwave …, 2022 - ieeexplore.ieee.org
We propose and demonstrate a six-hole tapered silicon photonic crystal nanobeam cavity
with a theoretical high quality (Q) factor and an ultrasmall mode volume based on machine …

Ultra-high peak rejection, sub-gigahertz narrowband and bandwidth tunable microwave photonic filter based on silicon racetrack resonators

L Liu, S Liao - Journal of Lightwave Technology, 2023 - ieeexplore.ieee.org
We propose and experimentally demonstrate a notch microwave photonic filter (MPF) with
optimized performance (including the sub-gigahertz narrowband, ultra-high rejection ratio …

On-chip refractive index sensor with ultra-high sensitivity based on sub-wavelength grating racetrack microring resonators and Vernier effect

L Liu, Z Hu, M Ye, Z Yu, C Ma, J Li - IEEE Photonics Journal, 2022 - ieeexplore.ieee.org
An approach to optimize the sensitivity and the limit of detection of on-chip refractive index
sensor is proposed and demonstrated based on sub-wavelength grating racetrack microring …

Low error and broadband microwave frequency measurement using a silicon Mach–Zehnder interferometer coupled ring array

L Liu, Z Yu - Journal of Lightwave Technology, 2023 - ieeexplore.ieee.org
The integrated photonic technologies benefit from an improved frequency measurement
range with compact size relative to the radio frequency counterparts. Nevertheless, the …

Silicon-on-insulator-based narrowband microwave photonic filter with widely tunable bandwidth

L Liu, M Ye, W Xue - Journal of Lightwave Technology, 2023 - ieeexplore.ieee.org
We propose and experimentally demonstrate sub-gigahertz microwave photonic filters
(MPFs) with widely tunable bandwidths and ultra-high rejection ratios based on a silicon add …

On-chip two-step microwave frequency measurement with high accuracy and ultra-wide bandwidth using add-drop micro-disk resonators

Y Chen, W Zhang, J Liu, J Yao - Optics Letters, 2019 - opg.optica.org
An on-chip two-step microwave frequency measurement method with high accuracy and an
ultra-wide frequency measurement range is reported. A silicon photonic integrated micro …

Photonic approach for microwave frequency measurement using a silicon microring resonator

L Liu, W Xue, J Yue - IEEE photonics technology letters, 2018 - ieeexplore.ieee.org
We propose and experimentally demonstrate a photonic measurement approach of
microwave frequency with adjustable measurement ranges and low errors based on a …

High-resolution microwave frequency measurement based on dynamic frequency-to-power map**

S Song, SX Chew, L Nguyen, X Yi - Optics Express, 2021 - opg.optica.org
In this paper, we propose a microwave frequency measurement system that simultaneously
achieves a large measurement range, high resolution, and linear frequency map** in a …

Tunable all-optical microwave filter with high tuning efficiency

L Liu, S Liao, W Xue, J Yue - Optics Express, 2020 - opg.optica.org
We propose and experimentally demonstrate a continuously tunable all-optical microwave
filter based on a photonic crystal (PC) L3 cavity. Due to the small cavity mode volume and …