15 citations · 32 across the 9 of their papers we have counts for
10 papers
PT-symmetric cross injection dual optoelectronic oscillator
Mehedi Hasan, Abhijit Banerjee, Trevor Hall
An optoelectronic oscillator (OEO) is a time delay oscillator (TDO) that uses photonics technology to provide the long delay required to generate pristine microwave carriers. Parit…
Continuous tuning & thermally induced frequency drift stabilisation of time delay oscillators such as the optoelectronic oscillator
Mehedi Hasan, Charles Nicholls, Keegan Pitre +1
Delay line oscillators based on photonic components, such as the optoelectronic oscillator (OEO), offer the potential for realization of phase noise levels orders of magnitude lowe…
Optical Wavelength Meter with Machine Learning Enhanced Precision
Gazi Mahamud Hasan, Mehedi Hasan, Peng Liu +3
Diverse applications in photonics and microwave engineering require a means of measurement of the instantaneous frequency of a signal. A photonic implementation typically applies a…
Experimental realization of a universal RF photonic integrated circuit
Mehedi Hasan, Gazi Mahamud Hasan, Trevor Hall
This paper demonstrates the operation of a universal RF photonic circuit that consists of a generalized Mach Zehnder Interferometer architecture with its Nx1 combiner replaced by a…
Injection Locking of Optoelectronic Oscillators with Large Delay
Mehedi Hasan, Abhijit Banerjee, Trevor James Hall
The optoelectronic oscillator is a delay line oscillator that leverages optical fiber technology to realize the large delay required for low phase noise systems. Spurious sidemodes…
Circuit architecture of a sub-GHz resolution panoramic C band on-chip spectral sensor
Mehedi Hasan, Mohammad Rad, Gazi Mahamud Hasan +4
Monitoring the state of the optical network is a key enabler for programmability of network functions, protocols and efficient use of the spectrum. A particular challenge is to pro…
Cascade circuit architecture for RF-photonic frequency multiplication with minimum RF energy
Mehedi Hasan, Karin Hinzer, Trevor Hall
A general RF-photonic circuit design for implementing frequency multiplication is proposed. The circuit consists of N cascaded differentially-driven Mach-Zehnder modulators biased…
Topological edge state engineering with high-frequency electromagnetic radiation
Mehedi Hasan, Dmitry Yudin, Ivan Iorsh +2
We outline here how strong light-matter interaction can be used to induce quantum phase transition between normal and topological phases in two-dimensional topological insulators.…
Core-shell multilayered nanoparticles: giant photonic density of states coupled to the far-field
Mehedi Hasan, Ivan Iorsh, Pavel Belov
We present a quantum theoretical treatment of light-matter coupling in the system consisting of a quantum dot and a spherical core-shell metal-dielectric multilayer nanoparticle. I…
Diamagnetism in wire medium metamaterials: theory and experiment
Ilya Yagupov, Dmitriy Filonov, Sergei Kosulnikov +3
Strong diamagnetic response of wire medium with finite wire radius is reported. Contrary to the previous works where it was assumed that the wire medium exhibits only the electric…