180 citations · 428 across the 13 of their papers we have counts for
13 papers · 1 filter
Amplified Light Beam Cooling via Emergent Onsager's Irreversible Thermodynamics
Zhongfei Xiong, Fan O. Wu, Yang Liu +3
High-brightness coherent light source is at the heart of optical technology and yet challenging to achieve. Here, we propose an unconventional approach that utilizes the "forbidden…
Nature of Optical Thermodynamic Pressure Exerted in Highly Multimoded Nonlinear Systems
Huizhong Ren, Georgios G. Pyrialakos, Fan O. Wu +4
The theory of optical thermodynamics provides a comprehensive framework that enables a self-consistent description of the intricate dynamics of nonlinear multimoded photonic system…
Guiding Trojan light beams via Lagrange points
Haokun Luo, Yunxuan Wei, Fan O. Wu +3
The guided transmission of optical waves is critical for light-based applications in modern communication, information processing, and energy generation systems. Traditionally, gui…
Thermalization of the Ablowitz-Ladik lattice in the presence of non-integrable perturbations
Mahmoud A. Selim, Georgios G. Pyrialakos, Fan O. Wu +4
We investigate the statistical mechanics of the photonic Ablowitz-Ladik lattice, the integrable version of the discrete nonlinear Schrödinger equation. In this regard, we demonstra…
Coherence properties of light in highly multimoded nonlinear parabolic fibers under optical equilibrium conditions
Mahmoud A. Selim, Fan O. Wu, Georgios G. Pyrialakos +2
We study the coherence characteristics of light propagating in nonlinear graded-index multimode fibers after attaining optical thermal equilibrium conditions. The role of optical t…
A thermodynamic description of the near- and far-field intensity patterns emerging from multimode nonlinear waveguide arrays
Mahmoud A. Selim, Fan O. Wu, Huizhong Ren +2
Nonlinear highly multimode photonic systems are ubiquitous in optics. Yet, the sheer complexity arising from the action of nonlinearity in multimode environments has posed theoreti…
Thermalization of light's orbital angular momentum in nonlinear multimode waveguide systems
Fan O. Wu, Qi Zhong, Huizhong Ren +3
We show that the orbital angular momentum (OAM) of a light field can be thermalized in a nonlinear cylindrical multimode optical waveguide. We find, that upon thermal equilibrium,…
Entropic thermodynamics of nonlinear photonic chain networks
Fan O. Wu, Pawel S. Jung, Midya Parto +2
The complex nonlinear behaviors of heavily multimode lightwave structures have been recently the focus of considerable attention. Here we develop an optical thermodynamic approach…
Direct Observation of Thermalization to a Rayleigh-Jeans Distribution in Multimode Optical Fibers
Hamed Pourbeyram, Pavel Sidorenko, Fan Wu +4
Recent years have witnessed a resurgence of interest in nonlinear multimode optical systems where a host of intriguing effects have been observed that are impossible in single-mode…
Optical amplification and transmission of attenuated multi-soliton based on spectral characteristics of Akhmediev breather
Guangye Yang, Fan O. Wu, Helena Lopez Aviles +1
We analyze temporal and spectral characteristics of Akhmediev breather and establish amplification and transmission of attenuated multi-soliton in nonlinear optical fiber. Our resu…
Thermodynamic theory of highly multimoded nonlinear optical systems
Fan O. Wu, Absar U. Hassan, Demetrios N. Christodoulides
The quest for ever higher information capacities has brought about a renaissance in multimode optical waveguide systems. This resurgence of interest has recently initiated a flurry…
Thermodynamic conditions governing the optical temperature and chemical potential in nonlinear highly multimoded photonic systems
Midya Parto, Fan O. Wu, Pawel S. Jung +2
We show that, in general, any complex weakly nonlinear highly multimode system can reach thermodynamic equilibrium that is characterized by a unique temperature and chemical potent…
Direct generation of tunable orbital angular momentum beams in microring lasers with broadband exceptional points
William E. Hayenga, Jinhan Ren, Midya Parto +7
Non-Hermitian exceptional points (EPs) represent a special type of degeneracy where not only the eigenvalues coalesce, but also the eigenstates tend to collapse on each other. Rece…