Chip-based Brillouin processing for microwave photonic phased array antennas

M Garrett, M Merklein… - IEEE Journal of Selected …, 2022 - ieeexplore.ieee.org
In this review paper, we provide perspectives on the implementation of high-performance,
wideband, chip-based Brillouin microwave photonic processing subsystems for use in …

Optical filter-less photonic FMCW radar for multi-target detection

R Dhawan, K Moyal… - IEEE Photonics …, 2022 - ieeexplore.ieee.org
Frequency modulated continuous wave (FMCW) radar monitors the instantaneous
frequency difference between the transmitted and the received signal to determine the time …

Highly flexible RF filter responses using stimulated Brillouin scattering with bandwidth up to 1 GHz

M Jha, R Dhawan, R Parihar… - Journal of Lightwave …, 2023 - opg.optica.org
In this article, a novel approach to realize a switchable RF filter with analogous
electromagnetically induced absorption (EIA) responses, electromagnetically induced …

Multiband dual-and cross-LFM waveform generation using a dual-drive Mach–Zehnder​ modulator

R Dhawan, R Parihar, A Choudhary - Optics Communications, 2023 - Elsevier
Linear frequency modulation (LFM) signals are widely used in modern radar systems owing
to their intrinsic pulse compression capability but are restricted due to a limited range …

Active information manipulation via optically driven acoustic-wave interference

H Kim, H Shin - Nano Letters, 2021 - ACS Publications
Implementing on-chip information processing systems through photonic–phononic
interactions has attracted considerable interest owing to its potential for storing, sensing, and …

Frequency response tailoring of a phase modulated link with stimulated Brillouin scattering

M Jha, R Dhawan, R Parihar… - IEEE Photonics …, 2022 - ieeexplore.ieee.org
Phase-modulated analog photonic links with Mach Zehnder interferometers are used for
signal transport and to reduce transmitter complexity. However, the frequency response of …

Multiband LFM waveform generation and band-selection using stimulated Brillouin scattering

R Dhawan, D Parida, R Parihar, M Jha… - Applied Optics, 2023 - opg.optica.org
Modern radar systems are designed to simultaneously serve multiple applications such as
ranging, surveillance, imaging, or warfare, which necessitates operation at multiple carrier …

Low-power, reconfigurable Brillouin RF photonic bandstop filters

K Girish, R Parihar, P Raj… - IEEE Photonics …, 2023 - ieeexplore.ieee.org
Stimulated Brillouin Scattering (SBS) has been widely used to realize narrowband as well as
wideband microwave photonic bandstop filters. However, most Brillouin based wide-band …

Link Optimisation of a Microwave Photonic Phase Shifter using Brillouin-Induced Low Biasing

R Parihar, R Dhawan… - IEEE Journal of Quantum …, 2023 - ieeexplore.ieee.org
In this paper, we demonstrate a microwave photonic phase shifter using stimulated Brillouin
scattering with Brillouin-induced low biasing of the carrier to improve the dynamic range of …

Energy-efficient bandwidth enhancement of Brillouin microwave photonic bandpass filters

P Raj, R Parihar, R Dhawan, A Choudhary - Optics Express, 2022 - opg.optica.org
Stimulated Brillouin scattering has been widely utilized to realize frequency-agile
narrowband and wideband microwave photonic bandpass filters by primarily utilizing its …