All-fiber source and sorter for multimode correlated photons

Sulimany, Kfir; Bromberg, Yaron

doi:10.1038/s41534-021-00515-x

Cited by 14 publications

(4 citation statements)

References 47 publications

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“…The complex spatiotemporal dynamics and inter-modal interactions inherent to multimode fibers open vast possibilities in the realm of nonlinear wave propagation [10]. This field has fostered innovations in diverse areas such as fiber lasers [26][27][28], frequency conversions [72][73][74][75], photon pair generation [26,76], and beam cleaning [8]. In recent years, there has been significant interest regarding the control of nonlinear phenomena within multimode fibers, achieved through wavefront shaping techniques [7,9,11,77,78].…”

Section: Control Of Nonlinear Processes In Multimode Fibersmentioning

confidence: 99%

“…In the past several decades, there has been an ongoing effort to utilize multimode optical fibers (MMFs) in photonic applications such as space-division multiplexing for optical fiber communication [1][2][3][4], nonlinear optics [5][6][7][8][9][10][11][12] and imaging [13][14][15][16][17][18][19][20][21]. More recently, applications for MMFs have expanded to quantum optics [22][23][24][25][26] and fiber lasers [27][28][29][30][31]. These numerous applications enjoy the ability of MMFs to transport many spatial modes with low loss, while having a low cost and a small footprint.…”

Section: Introductionmentioning

confidence: 99%

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Tutorial: How to build and control an all-fiber wavefront modulator using mechanical perturbations

Shekel,

Sulimany,

Resisi

et al. 2024

J. Phys. Photonics

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Multimode optical fibers support the dense, low-loss transmission of many spatial modes, making them attractive for technologies such as communications and imaging. However, information propagating through multimode fibers is scrambled, due to modal dispersion and mode mixing. This is usually rectified using wavefront shaping techniques with devices such as spatial light modulators. Recently, we demonstrated an all-fiber system for controlling light propagation inside multimode fibers using mechanical perturbations, called the fiber piano. In this tutorial we explain the design considerations and experimental methods needed to build a fiber piano, and review applications where fiber pianos have been used.

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Section: Control Of Nonlinear Processes In Multimode Fibersmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Tutorial: How to build and control an all-fiber wavefront modulator using mechanical perturbations

Shekel,

Sulimany,

Resisi

et al. 2024

J. Phys. Photonics

Self Cite

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“…HE spatial characterization of an individual laser pulse in an isolated burst is an important task. It may reveal many physical processes, such as the build-up dynamic of spatiotemporal mode-locking [1] or resolve between entangled photons generated in distinct spatial modes of a fiber [2]. In the last decade, several methods for complete 3D field characterization were developed [3].…”

Section: Introductionmentioning

confidence: 99%

Spatial Characterization of Multiple Pulses, With Different Spatial Profiles, From a Single Camera Snapshot

Veler,

Birk,

Dobias

et al. 2024

IEEE Photonics J.

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We used a single-shot ptychographic microscope to image the complex-valued (intensity and phase) spatial profiles of multiple ultrashort pulses. Specifically, we present characterization of a burst of three ultrashort pulses with three nanoseconds delay between pulses using data recorded by a single camera exposure with millisecond integration time. We anticipate that this approach holds significant promise for diverse applications, including characterizing spatiotemporal modelocked or Q-switched lasers, potentially shedding light on their buildup dynamics.

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“…Furthermore, when the number of spatial modes to be distinguished is scaled up, this type of scheme becomes complex. A fiber-based technique recently presented is a sorter using optical fiber delays, 36 taking advantage of the fact that the different modes propagating in a fiber will separate due to modal dispersion. This method has a limited bandwidth due to the long delays needed.…”

Section: ■ Introductionmentioning

confidence: 99%

All-in-Fiber Dynamically Reconfigurable Orbital Angular Momentum Mode Sorting

Alarcón,

Gómez,

Spegel-Lexne

et al. 2023

ACS Photonics

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The orbital angular momentum (OAM) spatial degree of freedom of light has been widely explored in many applications, including telecommunications, quantum information, and light-based micromanipulation. The ability to separate and distinguish between the different transverse spatial modes is called mode sorting or mode demultiplexing, and it is essential to recover the encoded information in such applications. An ideal d mode sorter should be able to faithfully distinguish between the different d spatial modes, with minimal losses, and have d outputs and fast response times. All previous mode sorters rely on bulk optical elements, such as spatial light modulators, which cannot be quickly tuned and have additional losses if they are to be integrated with optical fiber systems. Here, we propose and experimentally demonstrate, to the best of our knowledge, the first all-in-fiber method for OAM mode sorting with ultrafast dynamic reconfigurability. Our scheme first decomposes the OAM mode in-fiber-optical linearly polarized (LP) modes and then interferometrically recombines them to determine the topological charge, thus correctly sorting the OAM mode. In addition, our setup can also be used to perform ultrafast routing of the OAM modes. These results show a novel and fiber-integrated form of optical spatial mode sorting that can be readily used for many new applications in classical and quantum information processing.

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All-fiber source and sorter for multimode correlated photons

Cited by 14 publications

References 47 publications

Tutorial: How to build and control an all-fiber wavefront modulator using mechanical perturbations

Tutorial: How to build and control an all-fiber wavefront modulator using mechanical perturbations

Spatial Characterization of Multiple Pulses, With Different Spatial Profiles, From a Single Camera Snapshot

All-in-Fiber Dynamically Reconfigurable Orbital Angular Momentum Mode Sorting

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