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Mode-Multiplexed Full-Field Reconstruction Using Direct and Phase Retrieval Detection [article]

Haoshuo Chen, Juan Carlos Alvarado-Zacarias, Hanzi Huang, Nicolas K. Fontaine, Roland Ryf, David T. Neilson, Rodrigo Amezcua-Correa
2019 arXiv   pre-print
We realize mode-multiplexed full-field reconstruction over six spatial and polarization modes after 30-km multimode fiber transmission using intensity-only measurements without any optical carrier or local  ...  The receiver's capabilities to cope with modal dispersion and mode dependent loss are experimentally demonstrated.  ...  It is based on our Fig. 1 : Schematic of the direct detection receiver for reconstructing the full field of six spatial and polarization modes using alternative projection for phase retrieval.  ... 
arXiv:1911.04627v1 fatcat:va62km3xkbdaxeklterckx66ge

Dual Polarization Full-Field Arbitrary Waveform Reconstruction Using Intensity Only Measurements for Coherent Communications

Haoshuo Chen, Nicolas K. Fontaine, Joan M. Gene, Roland Ryf, David T. Neilson, Gregory Raybon
2020 Journal of Lightwave Technology  
We present a full-field measurement technique using only direct detection that does not require any beating with a strong carrier LO.  ...  Simpler direct detection techniques do not have access to the full electrical field and therefore lack the ability to compensate for these impairments.  ...  multiplexing and spacedivision multiplexing [28] using only direct detection.  ... 
doi:10.1109/jlt.2020.2978052 fatcat:pwy3pnumwzczfiybok5ub2anja

Dual Polarization Full-Field Signal Waveform Reconstruction Using Intensity Only Measurements for Coherent Communications [article]

Haoshuo Chen, Nicolas K. Fontaine, Joan M. Gene, Roland Ryf, David T. Neilson, Gregory Raybon
2019 arXiv   pre-print
We present a full-field measurement technique using only direct detection that does not require any beating with a strong carrier LO.  ...  Simpler direct detection techniques do not have access to the full electrical field and therefore lack the ability to compensate for these impairments.  ...  multiplexing and spacedivision multiplexing [28] using only direct detection.  ... 
arXiv:1912.02156v1 fatcat:rr4veuzmebd6bjoqbp4ftsx2ry

Full-Field, Carrier-Less, Polarization-Diversity, Direct Detection Receiver based on Phase Retrieval [article]

Haoshuo Chen, Nicolas K. Fontaine, Joan M. Gené, Roland Ryf, David T. Neilson, Gregory Raybon
2019 arXiv   pre-print
We realize dual-polarization full-field recovery using intensity only measurements and phase retrieval techniques based on dispersive elements. 30-Gbaud QPSK waveforms are transmitted over 520-km standard  ...  single-mode fiber and equalized from the receiver outputs using 2X2 MIMO.  ...  Conclusions We demonstrated full-field waveform measurement of carrier-less polarization-multiplexed signals using directdetection/intensity only measurements and phase-retrieval techniques based on dispersive  ... 
arXiv:1903.02424v1 fatcat:hxefwccbpbbpvgyap7cyluvpli

Ptychographic amplitude and phase reconstruction of bichromatic vortex beams

Y. Esashi, C.-T. Liao, B. Wang, N. Brooks, K. M. Dorney, C. Hernández-García, H. Kapteyn, D. Adams, M. Murnane
2018 Optics Express  
This technique can also be used to characterize other phase-structured illumination beams, and, in the future, will be able to be extended to other complex fields in the extreme ultraviolet or X-ray spectral  ...  We experimentally demonstrate that ptychographic coherent diffractive imaging can be used to simultaneously characterize the amplitude and phase of bichromatic orbital angular momenta-shaped vortex beams  ...  Fig. 3 . 3 Retrieved OAM spectrum of the two reconstructed vortex beam fields obtained by Fourier transformation of the fields along the azimuthal direction for different radii, for (a) 790 nm and (b)  ... 
doi:10.1364/oe.26.034007 fatcat:64hc6oqkxzedjbthiislvi6xqu

Optical metasurfaces for generating and manipulating optical vortex beams

Hammad Ahmed, Hongyoon Kim, Yuebian Zhang, Yuttana Intaravanne, Jaehyuck Jang, Junsuk Rho, Shuqi Chen, Xianzhong Chen
2022 Nanophotonics  
Although there have been significant efforts to realize OVs using conventional optics, it is limited by large volume, high cost, and lack of design flexibility.  ...  We provide a comprehensive discussion on the optical manipulation of OVs, including OAM superposition, OAM sorting, OAM multiplexing, OAM holography, and nonlinear metasurfaces for OAM generation and manipulation  ...  For example, an OAM meta transformer has been developed by the multi-OAM phase retrieval algorithm to reconstruct holographic images '0', '3', and '6' depending on the incident OAM modes l = 0, 3, 6, respectively  ... 
doi:10.1515/nanoph-2021-0746 fatcat:xl3vesovnfdv7b3gkqxapvp7ee

Experimental realization of a multiplexed quantum memory with 225 individually accessible memory cells

Y-F Pu, N. Jiang, W. Chang, H-X Yang, C. Li, L-M Duan
2017 Nature Communications  
To realize long-distance quantum communication and quantum network, it is required to have multiplexed quantum memory with many memory cells.  ...  Experimental realization of a multiplexed quantum memory with many individually accessible memory cells and programmable control of its addressing and readout makes an important step for its application  ...  Tian, and Y. Peng for helpful discussions. This work was supported by the Tsinghua-QTEC Joint Lab on quantum networks and the National key Research and Development program of China.  ... 
doi:10.1038/ncomms15359 pmid:28480891 pmcid:PMC5424256 fatcat:skokhm2fmrdr5ep5xs6x7mbu7q

Spatial, spectral, and polarization multiplexed ptychography

Robert Karl, Charles Bevis, Raymond Lopez-Rios, Jonathan Reichanadter, Dennis Gardner, Christina Porter, Elisabeth Shanblatt, Michael Tanksalvala, Giulia F. Mancini, Margaret Murnane, Henry Kapteyn, Daniel Adams
2015 Optics Express  
We introduce a novel coherent diffraction imaging technique based on ptychography that enables simultaneous full-field imaging of multiple, spatially separate, sample locations.  ...  Further, we compare the numerical efficiency of the multi-mode ptychography algorithm with a single mode algorithm.  ...  D.G. and C.P. acknowledge support from the NSF GRFP. E.S. and D.G acknowledge funding from  ... 
doi:10.1364/oe.23.030250 pmid:26698505 fatcat:i2ggyip5jfekjklenkgqgnhgue

Complete measurement of spatiotemporally complex multi-spatial-mode ultrashort pulses from multimode optical fibers using delay-scanned wavelength-multiplexed holography

Ping Zhu, Rana Jafari, Travis Jones, Rick Trebino
2017 Optics Express  
We introduce a simple delay-scanned complete spatiotemporal intensity-and-phase measurement technique based on wavelength-multiplexed holography to characterize long, complex pulses in space and time.  ...  We demonstrate it using pulses emerging from multi-mode fiber.  ...  Acknowledgments We thank Don Harter for suggesting this problem to us. We thank Zhe Guang for the helpful discussion on STRIPED FISH and MMF. We also thank John Buck for his helpful discussions.  ... 
doi:10.1364/oe.25.024015 pmid:29041350 fatcat:go2yji46uvcing3ldskphdmpre

Optical wavefront shaping based on functional metasurfaces

Qunshuo Wei, Lingling Huang, Thomas Zentgraf, Yongtian Wang
2020 Nanophotonics  
Regarded as a kind of smart surfaces, metasurfaces can arbitrarily tailor the amplitude, phase, and polarization of light.  ...  Here we review the research progress of metasurfaces for holographic displays, polarization conversion, active modulation, linear and nonlinear wavefront modulation, and prospect the future development  ...  multiplexing and high-fidelity reconstruction.  ... 
doi:10.1515/nanoph-2019-0478 fatcat:ps6ca2jsjvf7le5hse3w2ty3se

Creation and detection of optical modes with spatial light modulators

Andrew Forbes, Angela Dudley, Melanie McLaren
2016 Advances in Optics and Photonics  
We show by experimental implementation how digital holograms may be used to infer the intensity, phase, wavefront, Poynting vector, polarization, and OAM density of some unknown optical field.  ...  Such tools are highly relevant to the in situ analysis of laser systems, to mode division multiplexing as an emerging tool in optical communication, and for quantum information processing with entangled  ...  These techniques allow for the OAM mode to be detected, but since no phase information is retrieved, the optical field cannot be reconstructed and the OAM density cannot be determined.  ... 
doi:10.1364/aop.8.000200 fatcat:tgpkkqh6jrdrxp4zllgwem3kma

Multicell Atomic Quantum Memory as a Hardware-Efficient Quantum Repeater Node

C. Li, S. Zhang, Y.-K. Wu, N. Jiang, Y.-F. Pu, L.-M. Duan
2021 PRX Quantum  
We report a compact and hardware-efficient realization of a quantum repeater node using a single atomic ensemble for multicell quantum memories.  ...  Millisecond lifetime is achieved for individual memory cells after suppressing the magnetic-field-induced inhomogeneous broadening and the atomic-motion-induced spin-wave dephasing.  ...  Then the spin wave can be retrieved in the phase-matching direction by a strong read pulse.  ... 
doi:10.1103/prxquantum.2.040307 fatcat:sfpanbyqmbclbjdufeqezq7h3y

Three-dimensional imaging with single-frame jigsaw-puzzle-reorganized sinusoidal fringe using multi-pixel axial flat brush scanning [article]

Wen-Kai Yu
2019 arXiv   pre-print
Structured-light three-dimensional (3D) imaging can achieve 3D shape of a stationary object via one or more pixelated array cameras with phase-shifting illumination.  ...  In order to extend 3D imaging to moving scenarios, we propose a 3D imaging method with double projection of a single-frame modulated light pattern and a sampling pattern.  ...  (b)-(d) and (f)-(h) are retrieved R(x, y) of the RGB channels of mode-col and mode-row, respectively.  ... 
arXiv:1904.13350v1 fatcat:p54irgmlzbhlxnbj2uet7s2ulm

Distributed fiber optics 3D shape sensing by means of high scattering NP-doped fibers simultaneous spatial multiplexing

Aidana Beisenova, Aizhan Issatayeva, Iulian Iordachita, Wilfried Blanc, Carlo Molardi, Daniele Tosi
2019 Optics Express  
The approach exploits the optical backscatter reflectometry (OBR) and an innovative setup that permits the simultaneous spatial multiplexing of an optical fibers parallel.  ...  The 3D shape sensing is obtained by converting the measured strain in bending and shape deformation.  ...  Trzesien and M. Ude (INPHYNI, Nice, France) for the fabrication of the fiber.  ... 
doi:10.1364/oe.27.022074 fatcat:pxolyluwzjc4hicerknv5vfa6y

Distributed fiber optics 3D shape sensing by means of high scattering NP-doped fibers simultaneous spatial multiplexing [article]

Aidana Beisenova, Aizhan Issatayeva, Iulian Iordachita, Wilfried Blanc, Carlo Molardi, Daniele Tosi
2019 Figshare  
The approach exploits the optical backscatter reflectometry (OBR) and an innovative setup that permits the simultaneous spatial multiplexing of an optical fibers parallel.  ...  The 3D shape sensing is obtained by converting the measured strain in bending and shape deformation.  ...  Trzesien and M. Ude (INPHYNI, Nice, France) for the fabrication of the fiber.  ... 
doi:10.6084/m9.figshare.c.4483322.v1 fatcat:eq6jf3bynfeftf4tfppjnlpg2a
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