Search Results - "Asher A. Friesem"

Controlling synchronization in large laser networks by Nixon, Micha, Fridman, Moti, Ronen, Eitan, Friesem, Asher A, Davidson, Nir, Kanter, Ido

“…Synchronization in large laser networks with both homogeneous and heterogeneous coupling delay times is examined. The number of synchronized clusters of lasers…”
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Synchronized cluster formation in coupled laser networks by Nixon, Micha, Friedman, Moti, Ronen, Eitan, Friesem, Asher A, Davidson, Nir, Kanter, Ido

“…We experimentally investigate the phase dynamics of laser networks with homogenous time-delayed mutual coupling and establish the fundamental rules that govern…”
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Observing geometric frustration with thousands of coupled lasers by Nixon, Micha, Ronen, Eitan, Friesem, Asher A, Davidson, Nir

“…Geometric frustration, the inability of an ordered system to find a unique ground state plays a key role in a wide range of systems. We present a new…”
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Controlling Nonlinear Interaction in a Many-Mode Laser by Tuning Disorder by Eliezer, Yaniv, Mahler, Simon, Friesem, Asher A, Cao, Hui, Davidson, Nir

“…A many-mode laser with nonlinear modal interaction could serve as a model system to study many-body physics. However, precise and continuous tuning of the…”
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Observing Dissipative Topological Defects with Coupled Lasers by Pal, Vishwa, Tradonsky, Chene, Chriki, Ronen, Friesem, Asher A, Davidson, Nir

“…Topological defects have been observed and studied in a wide range of systems, such as cosmology, spin systems, cold atoms, and optics, as they are quenched…”
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Real-time wavefront shaping through scattering media by all-optical feedback by Nixon, Micha, Katz, Ori, Small, Eran, Bromberg, Yaron, Friesem, Asher A., Silberberg, Yaron, Davidson, Nir

“…Controlling light through dynamically varying heterogeneous media is a sought-after goal with important applications ranging from free-space communication to…”
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Broadband sum-frequency generation as an efficient two-photon detector for optical tomography by Pe'er, Avi, Bromberg, Yaron, Dayan, Barak, Silberberg, Yaron, Friesem, Asher A

“…We describe a novel non-linear detection method for optical tomography that does not rely on detection of interference fringes and is free of optical…”
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Improved Phase Locking of Laser Arrays with Nonlinear Coupling by Mahler, Simon, Goh, Matthew L, Tradonsky, Chene, Friesem, Asher A, Davidson, Nir

“…An arrangement based on a degenerate cavity laser for forming an array of nonlinearly coupled lasers with an intracavity saturable absorber is presented. More…”
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Analytic design and solutions for resonance domain diffractive optical elements by Golub, Michael A, Friesem, Asher A

“…A model for designing and analyzing complicated surface relief diffractive elements in the resonance domain is developed. It is based on subdividing the…”
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Spin-controlled twisted laser beams: intra-cavity multi-tasking geometric phase metasurfaces by Chriki, Ronen, Maguid, Elhanan, Tradonsky, Chene, Kleiner, Vladimir, Friesem, Asher A, Davidson, Nir, Hasman, Erez

“…Novel multi-tasking geometric phase metasurfaces were incorporated into a modified degenerate cavity laser as an output coupler to efficiently generate…”
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Rapid and efficient formation of propagation invariant shaped laser beams by Chriki, Ronen, Barach, Gilad, Tradosnky, Chene, Smartsev, Slava, Pal, Vishwa, Friesem, Asher A, Davidson, Nir

“…A rapid and efficient all-optical method for forming propagation invariant shaped beams by exploiting the optical feedback of a laser cavity is presented. The…”
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Phase locking of lasers with Gaussian coupling by Kumar Reddy, Andra Naresh, Mahler, Simon, Goldring, Alon, Pal, Vishwa, Friesem, Asher A, Davidson, Nir

“…A unique approach for steady in-phase locking of lasers in an array, regardless of the array geometry, position, orientation, period or size, is presented. The…”
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Manipulating the spatial coherence of a laser source by Chriki, Ronen, Nixon, Micha, Pal, Vishwa, Tradonsky, Chene, Barach, Gilad, Friesem, Asher A, Davidson, Nir

“…An efficient method for controlling the spatial coherence has previously been demonstrated in a modified degenerate cavity laser. There, the degree of spatial…”
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Phase locking of even and odd number of lasers on a ring geometry: effects of topological-charge by Pal, Vishwa, Trandonsky, Chene, Chriki, Ronen, Barach, Gilad, Friesem, Asher A, Davidson, Nir

“…The effects of topological charge on phase locking an array of coupled lasers are presented. This is done with even and odd number of lasers arranged on a ring…”
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Phase shifting speckle interferometry for determination of strain and Young's modulus of mineralized biological materials: a study of tooth dentin compression in water by Zaslansky, Paul, Currey, John D, Friesem, Asher A, Weiner, Steve

“…Mineralized biological materials have complex hierarchical graded structures. It is therefore difficult to understand the relations between their structure and…”
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Temporal shaping of entangled photons by PE'ER, Avi, DAYAN, Barak, FRIESEM, Asher A, SILBERBERG, Yaron

“…We experimentally demonstrate shaping of the two-photon wave function of entangled-photon pairs, utilizing coherent pulse-shaping techniques. By performing…”
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Rapid fair sampling of the XY spin Hamiltonian with a laser simulator by Vishwa Pal, Simon Mahler, Chene Tradonsky, Asher A. Friesem, Nir Davidson

“…Coupled oscillators such as lasers, optical parametric oscillators, and Bose-Einstein-condensate polaritons can rapidly and efficiently dissipate into a stable…”
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Fast laser speckle suppression with an intracavity diffuser by Mahler, Simon, Eliezer, Yaniv, Yılmaz, Hasan, Friesem, Asher A., Davidson, Nir, Cao, Hui

“…Fast speckle suppression is crucial for time-resolved full-field imaging with laser illumination. Here, we introduce a method to accelerate the spatial…”
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Nonlinear interactions with an ultrahigh flux of broadband entangled photons by DAYAN, Barak, PE'ER, Avi, FRIESEM, Asher A, SILBERBERG, Yaron

“…We experimentally demonstrate sum-frequency generation with entangled photon pairs, generating as many as 40,000 photons per second, visible even to the naked…”
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Experimental demonstration of crowd synchrony and first-order transition with lasers by Mahler, Simon, Friesem, Asher A., Davidson, Nir

“…Synchronization of different and independent oscillators that interact with each other via a common intermediate is ubiquitous in many fields. Here, we…”
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