Advanced integrated microwave signal processing with giant on-chip Brillouin gain

A Choudhary, B Morrison, I Aryanfar… - Journal of lightwave …, 2016 - ieeexplore.ieee.org
Processing of microwave signals using photonics has several key advantages for
applications in wireless communications. However, to bring photonic-based microwave …

Passband switchable microwave photonic multiband filter

J Ge, MP Fok - Scientific reports, 2015 - nature.com
A reconfigurable microwave photonic (MWP) multiband filter with selectable and switchable
passbands is proposed and experimentally demonstrated, with a maximum of 12 …

Mutual coupling reduction of rotationally symmetric multiport antennas

CY Chiu, F Xu, S Shen… - IEEE Transactions on …, 2018 - ieeexplore.ieee.org
A systematic method for reducing the mutual coupling of a rotationally symmetric multiport
antenna system is proposed. A compact design example for a four-port antenna with low …

A high IIP2 SAW-less superheterodyne receiver with multistage harmonic rejection

I Madadi, M Tohidian, K Cornelissens… - IEEE Journal of Solid …, 2016 - ieeexplore.ieee.org
In this paper, we propose and demonstrate the first fully integrated surface acoustic wave
(SAW)-less superheterodyne receiver (RX) for 4G cellular applications. The RX operates in …

Reconfigurable RF multiband filter with widely tunable passbands based on cascaded optical interferometric filters

J Ge, MP Fok - Journal of Lightwave Technology, 2018 - opg.optica.org
Despite the increasing importance and critical needs, reconfigurable radio frequency (RF)
multiband filters are currently underdeveloped even both RF electronics and photonics …

A charge-sharing IIR filter with linear interpolation and high stopband rejection

A Bozorg, RB Staszewski - IEEE Journal of Solid-State Circuits, 2022 - ieeexplore.ieee.org
This article introduces a new discrete-time (DT) charge-sharing (CS) low-pass filter (LPF)
that achieves high-order filtering and improves its stopband rejection while maintaining a …

Microwave photonic multiband filter with independently tunable passband spectral properties

Q Liu, J Ge, MP Fok - Optics letters, 2018 - opg.optica.org
Multiband RF filters with independently controllable passbands are an essential component
in dynamic multiband RF communications. Unfortunately, even a fixed multiband RF filter …

Optically controlled fast reconfigurable microwave photonic dual-band filter based on nonlinear polarization rotation

J Ge, MP Fok - IEEE Transactions on Microwave Theory and …, 2016 - ieeexplore.ieee.org
A high-speed optically controlled microwave photonic (MWP) reconfigurable dual-band filter
is presented, which is achieved using a Lyot loop filter for spectrum slicing and ultrafast …

Analysis and design of I/Q charge-sharing band-pass-filter for superheterodyne receivers

I Madadi, M Tohidian… - IEEE Transactions on …, 2015 - ieeexplore.ieee.org
A complex quadrature charge-sharing (CS) technique is proposed to implement a discrete-
time band-pass filter (BPF) with a programmable bandwidth of 20-100 MHz. The BPF is part …

Fully monolithic BiCMOS reconfigurable power amplifier for multi-mode and multi-band applications

ML Lee, CY Liou, WT Tsai, CY Lou… - IEEE Transactions …, 2015 - ieeexplore.ieee.org
A power amplifier (PA) supporting wideband code division multiple access, long-term
evolution (LTE), and wireless local area network applications has been implemented in 0.18 …