Enhanced Q-factor and effective length silicon photonics filter utilizing nested ring resonators

MA Selim, M Anwar - Journal of Optics, 2023 - iopscience.iop.org
In this study, we investigate a novel design of an on-chip nested coupled ring resonator to
enhance the quality factor and the effective length of the resonator. The configuration …

In-plane coupled Fabry–Perot micro-cavities based on Si-air Bragg mirrors: a theoretical and practical study

MN Ali, YM Sabry, F Marty, T Bourouina, KA Kirah… - Applied …, 2018 - opg.optica.org
In-plane Fabry–Perot cavities based on deeply etched Bragg mirrors are used in many
microphotonic applications including sensing, telecom, and swept laser devices. A main …

Design and modeling of double Panda-microring resonator as multi-band optical filter

AK Seyfari, M Bahadoran, P Yupapin - Nano Communication Networks, 2021 - Elsevier
In this paper, the behavior of light within a double stage developed add-drop ring resonator
called a double Vernier Panda-ring resonator (DVPR) is investigated using the signal flow …

Silicon photonics dual-coupler nested coupled cavities

RA Shalaby, MA Selim, GA Adib, YM Sabry… - Silicon Photonics …, 2019 - spiedigitallibrary.org
In this work, we present the realization of a novel configuration of dual-coupler nested
coupled ring resonator on silicon photonics technology. The waveguide height and width …

Study of dual-coupler fiber ring and saturable absorber-based stable single-longitudinal-mode fiber laser

Z Wang, J Shang, L Tang, K Mu, S Yu… - Optical …, 2019 - spiedigitallibrary.org
A configuration of single-longitudinal-mode (SLM) erbium-doped-fiber (EDF) ring laser with
high stability and narrow linewidth is proposed and experimentally demonstrated. The …

Active fiber-ring enhanced absorption gas spectroscopy using multi-longitudinal mode tunable laser in the NIR

MA Selim, YM Sabry, GA Adib… - Photonic Instrumentation …, 2019 - spiedigitallibrary.org
In this work, we report the usage of multi-longitudinal mode laser as an input source to
achieve a larger enhancement in the interaction length in cavity enhanced absorption …

Silicon photonic coupled-ring resonator in nested configuration comprising different length scales

RA Shalaby, G Adib, YM Sabry, M Gad… - … and Systems (ICCES), 2019 - ieeexplore.ieee.org
Silicon photonics is continuing to develop for an increasing number of applications including
data centers, miniaturized sensors and atomic clocks. The development involved the …

Vernier effect-based multiplication of the Sagnac beating frequency in ring laser gyroscope sensors

GA Adib, YM Sabry, D Khalil - Fiber Lasers XV: Technology …, 2018 - spiedigitallibrary.org
A multiplication method of the Sagnac effect scale factor in ring laser gyroscopes is
presented based on the Vernier effect of a dual-coupler passive ring resonator coupled to …

Stable narrow-linewidth single-longitudinal mode laser by exploiting double subring resonator and self-injection loop

Z Wang, J Shang, Y Xu, Y Qiao, S Yu - Optical Fiber Technology, 2022 - Elsevier
A single-longitudinal mode (SLM) erbium-doped fiber laser (EDFL) using all polarization-
maintaining (PM) ring cavity is proposed and experimental demonstrated. A passive double …

Dual coupler coupled cavities optical gyroscope with enhanced performance

GA Adib, YM Sabry, D Khalil - … , Microresonators, and Beam …, 2018 - spiedigitallibrary.org
In recent years, the development of a reliable, low cost, miniaturized optical gyroscope has
been a subject of research and development in the scientific and industrial communities …