127 citations · 741 across the 48 of their papers we have counts for
51 papers
The Photonic Lantern Nuller: from concept to laboratory and on-sky demonstrations
Yinzi Xin, Nemanja Jovanovic, Dimitri Mawet +18
This thesis work presents the conceptual design and experimental characterization of the Photonic Lantern Nuller instrument, which uses a multimode-to-single-mode demultiplexing wa…
Demonstrating the integration of a photonic lantern with an all-fiber-based nulling interferometer
Jordan Diaz, Rebecca Jensen-Clem, Philip M. Hinz +12
High-contrast imaging of Solar System scale exoplanets and protoplanets demands advancements in instrumentation to access deeper starlight suppression at smaller angular separation…
Experimentally-determined performance limits for joint imaging and wavefront sensing with a photonic lantern
Aditya R. Sengupta, Vincent Chambouleyron, Rebecca Jensen-Clem +16
The photonic lantern (PL) is a focal-plane wavefront sensor (WFS) that can be used for second-stage control of extreme adaptive optics (AO) systems. While the number of sensed mode…
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…
PEEPSS: Photonic-Enabled ExoPlanet Spectroscopic Sensor for the Habitable Worlds Observatory
Genevieve Markees, Stephen S. Eikenberry, Rodrigo Amezcua-Correa +5
The next few years will be critical for technology development for Habitable Worlds Observatory (HWO) in its mission to search for and characterize extrasolar planets. To achieve i…
Wavelength-Dependent Evolution of Full-Field Transfer Matrices in Photonic Lanterns
Caleb Dobias, Miguel Römer, Swati Bhargava +10
A fiber-based photonic lantern can couple an array of single-mode optical fibers to the guided modes of a multimode fiber, with the mapping between the single-mode fibers and guide…
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…
On-sky demonstration of second-stage wavefront control with a photonic lantern
Aditya R. Sengupta, Jordan Diaz, Matthew DeMartino +14
Ground-based direct imaging of exoplanets at high contrast requires precise correction of atmospheric turbulence using adaptive optics (AO). The planet-to-star contrast ratio at sm…
On-sky Demonstration of Subdiffraction-limited Astronomical Measurement Using a Photonic Lantern
Yoo Jung Kim, Michael P. Fitzgerald, Sébastien Vievard +18
Resolving fine details of astronomical objects provides critical insights into their underlying physical processes. This drives in part the desire to construct ever-larger telescop…
Exploring the Capabilities of Astrophotonics for the Precise Alignment of Segmented Telescopes
Maria Cuevas, Aditya R. Sengupta, Vincent Chambouleyron +9
The next generation of large telescopes for direct imaging of exoplanets will require segmented primary mirrors. Over both long and short timescales, these telescopes experience se…
Experimental validation of photonic lantern imaging and wavefront sensing performance
Aditya R. Sengupta, Vincent Chambouleyron, Jordan Diaz +15
Photonic lanterns (PLs) are fiber-based waveguides that are capable of focal-plane wavefront sensing while simultaneously directing light to downstream science instruments. The opt…
Implicit Electric Field Conjugation with the Photonic Lantern Nuller
Yinzi Xin, Daniel Echeverri, Nemanja Jovanovic +12
The Photonic Lantern Nuller (PLN) is an instrument concept designed to characterize exoplanets within a single beam-width from its host star. The PLN leverages the spatial symmetry…
Efficient, broadly-tunable source of megawatt pulses for multiphoton microscopy based on self-phase modulation in argon-filled hollow-core fiber
Yishai Eisenberg, Wenchao Wang, Shitong Zhao +13
An exciting recent development for deep-tissue imaging with cellular resolution is three-photon fluorescence microscopy (3PM) with excitation at long wavelengths (1300 and 1700 nm)…
Visible Photonic Lantern integration, characterization and on-sky testing on Subaru/SCExAO
Sébastien Vievard, Manon Lallement, Sergio Leon-Saval +23
A Photonic Lantern (PL) is a novel device that efficiently converts a multi-mode fiber into several single-mode fibers. When coupled with an extreme adaptive optics (ExAO) system a…
Laboratory demonstration of an all-fiber-based focal plane nulling interferometer
Jordan Diaz, Rebecca Jensen-Clem, Daren Dillon +6
Starlight suppression techniques for High-Contrast Imaging (HCI) are crucial to achieving the demanding contrast ratios and inner working angles required for detecting and characte…
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…
Laboratory demonstration of a Photonic Lantern Nuller in monochromatic and broadband light
Yinzi Xin, Daniel Echeverri, Nemanja Jovanovic +11
Photonic lantern nulling (PLN) is a method for enabling the detection and characterization of close-in exoplanets by exploiting the symmetries of the ports of a mode-selective phot…
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…
Compact omnidirectional multicore fiber-based vector bending sensor
Josu Amorebieta, Angel Ortega-Gomez, Gaizka Durana +6
We propose and demonstrate a compact and simple vector bending sensor capable of distinguishing any direction and amplitude with high accuracy. The sensor consists of a short segme…
Sensitivity-optimized strongly coupled multicore fiber-based thermometer
Josu Amorebieta, Ángel Ortega-Gómez, Rubén Fernández +6
In this paper, we report on a multicore fiber-based (MCF) temperature sensor that operates in a wide thermal range and that is robustly packaged to withstand harsh environments. To…
Composed multicore fiber structure for direction-sensitive curvature monitoring
Joel Villatoro, Josu Amorebieta, Ángel Ortega-Gómez +4
The present work deals with a curvature sensor that consists of two segments of asymmetric multicore fiber (MCF) fusion spliced with standard single mode fiber (SMF). The MCF compr…
Highly sensitive multicore fiber accelerometer for low frequency vibration sensing
Josu Amorebieta, Ángel Ortega-Gómez, Gaizka Durana +6
We report on a compact, highly sensitive all-fiber accelerometer suitable for low frequency and low amplitude vibration sensing. The sensing elements in the device are two short se…
Accurate Loss Prediction of Realistic Hollow-core Anti-resonant Fibers Using Machine Learning
Yordanos Jewani, Michael Petry, Rei Sanchez-Arias +2
Hollow-core anti-resonant fibers (HC-ARFs) have proven to be an indispensable platform for various emerging applications due to their unique and extraordinary optical properties. H…