109 citations · 363 across the 22 of their papers we have counts for
22 papers
Multi-pulse accumulation of gas molecular coherence enables gigahertz ultrafast frequency conversion
Yazhou Wang, Marcello Meneghetti, Ian Davidson +8
Frequency conversion of ultrafast lasers is fundamentally constrained by the trade-off between pulse energy and repetition rate. Here, we demonstrate a frequency conversion mechani…
Highly-efficient perturbative Raman shifting by engineering the nonlinear temporal response
Yi-Hao Chen, Wenchao Wang, Shaodong Hou +4
Raman scattering underlies a broad range of spectroscopic and light-generation techniques, yet its conventional description, based on the Raman gain spectrum, accurately describes…
Tunable, high pulse energy and narrow linewidth gas-filled fiber laser across near- and mid-infrared
Yazhou Wang, Marcello Meneghetti, Manoj K. Dasa +9
Wavelength widely tunable infrared fiber lasers that simultaneously deliver high pulse energies with narrow linewidths are critical for applications ranging from spectroscopy to no…
Photoacoustic methane detection assisted by a gas-filled anti-resonant hollow-core fiber laser
Cuiling Zhang, Jose Enrique Antonio-Lopez, Rodrigo Amezcua-Correa +2
Photoacoustic spectroscopys (PAS)-based methane (CH4) detectors have garnered significant attention with various developed systems using near-infrared (NIR) laser sources, which re…
Spatiotemporal Control of Ultrafast Pulses in Multimode Optical Fibers
Daniel Cruz-Delgado, J. Enrique Antonio-Lopez, Armando Perez-Leija +5
Multimode optical fibers represent the ideal platform for transferring multidimensional light states. However, dispersion degrades the correlations between the light's degrees of f…
High energy and narrow linewidth N2-filled hollow-core fiber laser at 1.4 μm
Lujun Hong, Cuiling Zhang, Joseph Wahlen +4
In this work, we develop a high energy laser at 1.4 μm wavelength through the 1st order vibrational Raman Stokes generation in a nitrogen (N2) filled nodeless anti-resonant hollow…
Synthesizing gas-filled fiber Raman lines enables access to the molecular fingerprint region
Yazhou Wang, Lujun Hong, Cuiling Zhang +6
The synthesis of multiple narrow optical spectral lines, precisely and independently tuned across the near- to mid-infrared (IR) region, is a pivotal research area that enables sel…
Unsupervised Full-color Cellular Image Reconstruction through Disordered Optical Fiber
Xiaowen Hu, Jian Zhao, Jose Enrique Antonio-Lopez +2
Recent years have witnessed the tremendous development of fusing fiber-optic imaging with supervised deep learning to enable high-quality imaging of hard-to-reach areas. Neverthele…
Alignment of Free-Space Coupling of Few-Mode Fibre to Multi-Mode Fibre using Digital Holography
Menno van den Hout, Sjoerd van der Heide, Thomas Bradley +11
Off-axis digital holography is used to align a few-mode fiber to a multi-mode fiber in a free-space optical setup. Alignment based on power coupling measurements alone cannot guara…
Optical Field Characterization using Off-axis Digital Holography
Sjoerd van der Heide, Bram van Esch, Menno van den Hout +10
Angular resolved digital holography is presented as a technique for real-time characterization of the full optical field (amplitude and phase) of space-division multiplexing compon…
Adaptive Inverse Mapping: A Model-free Semi-supervised Learning Approach towards Robust Imaging through Dynamic Scattering Media
Xiaowen Hu, Jian Zhao, Jose Enrique Antonio-Lopez +3
Imaging through scattering media is a useful and yet demanding task since it involves solving for an inverse mapping from speckle images to object images. It becomes even more chal…
Multi-wavelength high energy gas-filled fiber Raman laser spanning from 1.53 um to 2.4 um
Abubakar I. Adamu, Yazhou Wang, MD. Selim Habib +5
In this work, we present a high pulse energy multi-wavelength Raman laser spanning from 1.53 um up to 2.4 um by employing the cascaded rotational stimulated Raman scattering (SRS)…
Noise performance and long-term stability of near- and mid-IR gas-filled fiber Raman lasers
Yazhou Wang, Abubakar Isa Adamu, Manoj Kumar Dasa +5
In this letter, the characteristics of noise and long-term stability of near- and mid-infrared (near-IR and mid-IR) gas-filled fiber Raman lasers have been investigated for the fir…
1 Tbit/s/ Transmission Over a 130 km Link Consisting of Graded-Index 50 m Core Multi-Mode Fiber and 6LP Few-Mode Fiber
Menno van den Hout, Sjoerd van der Heide, John van Weerdenburg +7
We demonstrate 1 Tbit/s/ single-span transmission over a heterogeneous link consisting of graded-index 50 m core multi-mode fiber and 6LP few-mode fiber using a Kramers-Kroni…
Experimental validation of MDL emulation and estimation techniques for SDM transmission systems
Menno van den Hout, Ruby S. B. Ospina, Sjoerd van der Heide +8
We experimentally validate a mode-dependent loss (MDL) estimation technique employing acorrection factor to remove the MDL estimation dependence on the SNR when using a minimum mea…
Exploiting Angular Multiplexing for Polarization-diversity in Off-axis Digital Holography
Sjoerd van der Heide, Rutger van Anrooij, Menno van den Hout +9
Digital holography measures the complex optical field and transfer matrix of a device, polarization-diversity is often achieved through spatial multiplexing. We introduce angular m…
Bright, high-repetition-rate water window soft X-ray source enabled by nonlinear pulse self-compression in an antiresonant hollow-core fibre
M. Gebhardt, T. Heuermann, R. Klas +10
Bright, coherent soft X-ray (SXR) radiation is essential to a variety of applications in fundamental research and life sciences. So far, high photon flux in this spectral region ca…
Mode-dependent Loss and Gain Estimation in SDM Transmission Based on MMSE Equalizers
Ruby S. B. Ospina, Menno van den Hout, Juan Carlos Alvarado-Zacarias +7
The capacity in space division multiplexing (SDM) systems with coupled channels is fundamentally limited by mode-dependent loss (MDL) and mode-dependent gain (MDG) generated in com…
Observation of twist-induced geometric phases and inhibition of optical tunneling via Aharonov-Bohm effects
Midya Parto, Helena Lopez-Aviles, Jose E. Antonio-Lopez +3
Geometric phases appear ubiquitously in many and diverse areas of physical sciences, ranging from classical and molecular dynamics to quantum mechanics and solid-state physics. In…
Deep Learning Cell Imaging through Anderson Localizing Optical Fibre
Jian Zhao, Yangyang Sun, Hongbo Zhu +5
We demonstrate a deep-learning-based fibre imaging system which can transfer real-time artifact-free cell images through a meter-long Anderson localizing optical fibre. The cell sa…
Multi-stage generation of extreme ultraviolet dispersive waves by tapering gas-filled hollow-core anti-resonant fibers
Md. Selim Habib, Christos Markos, J. Enrique Antonio-Lopez +3
In this work, we numerically investigate an experimentally feasible design of a tapered Ne-filled hollow-core anti-resonant fiber and we report the generation of multiple dispersiv…
Complete Polarization Control in Multimode Fibers with Polarization and Mode Coupling
Wen Xiong, Chia Wei Hsu, Yaron Bromberg +3
Multimode optical fibers have seen increasing applications in communication, imaging, high-power lasers and amplifiers. However, inherent imperfections and environmental perturbati…