49 citations · 388 across the 22 of their papers we have counts for
22 papers
Mixing second and third-order nonlinear interactions in nanophotonic lithium-niobate waveguides
Simone Lauria, Mohammed F. Saleh
In this paper, we have investigated the interplay between the second and third-order nonlinearities in lithium-niobate waveguides with strong waveguide dispersion using uniform and…
Narrow and broadband single-photon sources using customised-tapered waveguides
Harrison R. Greenwood, Mohammed F. Saleh
In this paper, we present a thorough investigation for a spontaneous parametric four-wave mixing process in third-order nonlinear waveguides with various continuous tapering patter…
Ultra-broadband supercontinuum generation in gas-filled photonic-crystal fibers: The epsilon-near-zero regime
Mohammed F. Saleh, Fabio Biancalana
In this Letter, we show theoretically that the nonlinear photoionisation process of a noble gas inside a hollow-core photonic crystal fibre can be exploited in obtaining broadband…
Modelling spontaneous four-wave mixing in periodically-tapered waveguides
Mohammed F. Saleh
Periodically-tapered-waveguides technique is an emerging potential route to establish quasi-phase-matching schemes for efficient on-demand parametric interactions in third-order no…
Quasi-phase-matching parametric interactions in sinusoidally-tapered waveguides
Mohammed F. Saleh
In this article, I show how periodically-tapered waveguides can be employed as efficient quasi-phase-matching schemes for four-wave mixing parametric processes in third-order nonli…
Trapped Bose-Einstein condensates in the presence of a current nonlinearity
Mohammed F. Saleh, Patrik Öhberg
We investigate the effect of a current nonlinearity on the evolution of a trapped atomic Bose-Einstein condensate. We have implemented techniques from the field of nonlinear optics…
Anderson localisation and optical-event horizons in rogue-soliton generation
Mohammed F. Saleh, Claudio Conti, Fabio Biancalana
We unveil the relation between the linear Anderson localisation process and nonlinear modulation instability. Anderson localised modes are formed in certain temporal intervals due…
Guiding 2.94 m using low-loss microstructured antiresonant triangular-core fibers
Yang Chen, Mohammed F. Saleh, Nicolas Y. Joly +1
We introduce a new simple design of hollow-core microstructured fiber targeted to guide mid-infrared light at a wavelength 2.94 m. The fiber has a triangular-core supported via…
Soliton dynamics in gas-filled hollow-core photonic crystal fibers
Mohammed F. Saleh, Fabio Biancalana
Gas-filled hollow-core photonic crystal fibers offer unprecedented opportunities to observe novel nonlinear phenomena. The various properties of gases that can be used to fill thes…
Tunable frequency-up/down conversion in gas-filled hollow-core photonic crystal fibers
Mohammed F. Saleh, Fabio Biancalana
Based on the interplay between photoionization and Raman effect in gas-filled photonic crystal fibers, we propose a new optical device to control frequency-conversion of ultrashort…
Strong Raman-induced non-instantaneous soliton interactions in gas-filled photonic crystal fibers
Mohammed F. Saleh, Andrea Armaroli, Andrea Marini +1
We have developed an analytical model based on the perturbation theory in order to study the optical propagation of two successive intense solitons in hollow-core photonic crystal…
Temporal condensed matter physics in gas-filled photonic crystal fibers
Mohammed F. Saleh, Andrea Armaroli, Truong X. Tran +4
Raman effect in gases can generate an extremely long-living wave of coherence that can lead to the establishment of an almost perfect periodic variation of the medium refractive in…
Shock-induced -symmetric potentials in gas-filled photonic crystal fibers
Mohammed F. Saleh, Andrea Marini, Fabio Biancalana
We have investigated the interaction between a strong soliton and a weak probe with certain configurations that allow optical trapping in gas-filled hollow-core photonic crystal fi…
High-energy, shock-front assisted resonant radiation in the normal dispersion regime
Thomas Roger, Mohammed F. Saleh, Samudra Roy +3
We present a simple yet effective theory that predicts the existence of resonant radiation bands in the deep normal group velocity dispersion region of a medium, even in absence of…
Soliton-radiation trapping in gas-filled photonic crystal fibers
Mohammed F. Saleh, Fabio Biancalana
We propose an optical trapping technique in which a fundamental soliton traps an ultrashort small amplitude radiation in a symmetric hollow-core photonic crystal fiber filled with…
Ionization-induced asymmetric self-phase modulation and universal modulational instability in gas-filled hollow-core photonic crystal fibers
Mohammed F. Saleh, Wonkeun Chang, John C. Travers +2
We study theoretically the propagation of relatively long pulses with ionizing intensities in a hollow-core photonic crystal fiber filled with a Raman-inactive gas. Due to photoion…
Understanding the dynamics of photoionization-induced solitons in gas-filled hollow-core photonic crystal fibers
Mohammed F. Saleh, Fabio Biancalana
We present in detail our developed model [Saleh et al., Phys. Rev. Lett. 107] that governs pulse propagation in hollow-core photonic crystal fibers filled by an ionizing gas. By us…
Soliton self-frequency blue-shift in gas-filled hollow-core photonic crystal fibers
Mohammed F. Saleh, Wonkeun Chang, Philipp Hoelzer +5
We show theoretically that the photoionization process in a hollow-core photonic crystal fiber filled with a Raman-inactive noble gas leads to a constant acceleration of solitons i…
Modal and Polarization Qubits in Ti:LiNbO Photonic Circuits for a Universal Quantum Logic Gate
Mohammed F. Saleh, Giovanni Di Giuseppe, Bahaa E. A. Saleh +1
Lithium niobate photonic circuits have the salutary property of permitting the generation, transmission, and processing of photons to be accommodated on a single chip. Compact phot…
Photonic circuits for generating modal, spectral, and polarization entanglement
Mohammed F. Saleh, Giovanni Di Giuseppe, Bahaa E. A. Saleh +1
We consider the design of photonic circuits that make use of Ti:LiNbO diffused channel waveguides for generating photons with various combinations of modal, spectral, and pol…
Ultra-Broadband Coherence-Domain Imaging Using Parametric Downconversion and Superconducting Single-Photon Detectors at 1064 nm
Nishant Mohan, Olga Minaeva, Gregory N. Goltsman +5
Coherence-domain imaging systems can be operated in a single-photon counting mode, offering low detector noise; this in turn leads to increased sensitivity for weak light sources a…
Modal, Spectral, and Polarization Entanglement in Guided-Wave Parametric Down-Conversion
Mohammed F. Saleh, Bahaa E. A. Saleh, Malvin Carl Teich
We examine the modal, spectral, and polarization entanglement properties of photon pairs generated in a nonlinear, periodically poled, two-mode waveguide (1-D planar or 2-D circula…