Regimes of bandwidth enhancement in coupled-cavity semiconductor laser using photon–photon resonance

MS Al-Ghamdi, H Dalir, A Bakry… - Japanese Journal of …, 2019 - iopscience.iop.org
In the last decade, different solutions were proposed to boost the transmission bitrate of
semiconductor lasers. Here, we focus on applying optical feedback to a semiconductor laser …

Field fluctuations and spectral line shape in semiconductor lasers subjected to optical feedback

M Ahmed, M Yamada - Journal of applied physics, 2004 - pubs.aip.org
This article reports on extensive investigations of the influence of external optical feedback
OFB on the spectral line shape and the associated spectra of relative intensity noise RIN …

Modelling and characterisation of the noise characteristics of the vertical cavity surface-emitting lasers subject to slow light feedback

HR Ibrahim, MS Alghamdi, A Bakry, M Ahmed… - Pramana, 2019 - Springer
This paper introduces the modelling and characterisation of the noise properties of the
vertical cavity surface-emitting laser (VCSEL) coupled in lateral direction with a passive …

Numerical modeling of the route‐to‐chaos of semiconductor lasers under optical feedback and its dependence on the external‐cavity length

M Ahmed, M Yamada… - International Journal of …, 2009 - Wiley Online Library
This paper investigates numerically influence of the external‐cavity length on the type of the
route‐to‐chaos of semiconductor lasers under external optical feedback. The study is based …

Dynamics of Semiconductor Laser Subject to Optical Feedback with Linewidth Enhancement Factor and Spontaneous Emission Factor

S Abdulrhmann, J Hakami - Applied Sciences, 2023 - mdpi.com
In this article, the dependence of the operation states, dynamics, and noise of laser diodes
(LD) with external optical feedback (OFB) on the linewidth enhancement factor (LEF) and …

Theoretical modeling of intensity noise in InGaN semiconductor lasers

M Ahmed - The Scientific World Journal, 2014 - Wiley Online Library
This paper introduces modeling and simulation of the noise properties of the blue‐violet
InGaN laser diodes. The noise is described in terms of the spectral properties of the relative …

Dynamics of Semiconductor Laser Coupled with Two External Cavities

S Abdulrhmann, AM Alhasan, AY Madkhli - Applied Sciences, 2023 - mdpi.com
An investigation into the dynamic states and relative intensity noise of laser diodes
subjected to double optical feedback has been conducted. We employed modified and …

Numerical analysis of optical feedback phenomenon and intensity noise of fibre‐grating semiconductor lasers

M Ahmed, SWZ Mahmoud… - International Journal of …, 2007 - Wiley Online Library
This paper demonstrates numerical analysis of the dynamics and intensity noise of fibre‐
grating semiconductor lasers (FGSLs). The induced phenomenon of strong optical feedback …

Modeling of generating ultra-high frequency oscillations in VCSEL integrated with cascaded transverse coupled cavities

M Ahmed - Applied Physics B, 2020 - Springer
We report on the design and modeling of vertical-cavity surface-emitting laser (VCSEL)
integrated in the lateral direction with a cascade of multiple passive cavities. The scheme is …

Theoretical modeling of the dynamics of a semiconductor laser subject to double-reflector optical feedback

A Bakry, S Abdulrhmann, M Ahmed - Journal of Experimental and …, 2016 - Springer
We theoretically model the dynamics of semiconductor lasers subject to the double-reflector
feedback. The proposed model is a new modification of the time-delay rate equations of …