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Tiny optical cavities could make quantum networks possible(图)
Tiny optical cavities quantum networks
2020/4/10
Engineers at Caltech have shown that atoms in optical cavities -- tiny boxes for light -- could lead to the creation of a quantum internet. Their National Science Foundation-funded work...
High-Q aluminum nitride photonic crystal nanobeam cavities
High-Q aluminum nitride photonic crystal nanobeam cavities Optics
2012/5/29
We demonstrate high optical quality factors in aluminum nitride (AlN) photonic crystal nanobeam cavities. Suspended AlN photonic crystal nanobeams are fabricated in sputter-deposited AlN-on-insulator ...
Parametric Optomechanical Oscillations in Two-Dimensional Slot-Type High-Q Photonic Crystal Cavities
Parametric Optomechanical Oscillations Two-Dimensional Slot-Type High-Q Photonic Crystal Cavities Optics
2012/5/29
We experimentally demonstrate an optomechanical cavity based on an air-slot photonic crystal cavity with optical quality factor Qo=4.2\times10^4 and a small modal volume of 0.05 cubic wavelengths. The...
Compendium of eigenmodes in third harmonic cavities for FLASH and the XFEL
Compendium of eigenmodes third harmonic cavities FLASH the XFEL
2012/4/19
The resonant modes in the 9cell 3.9GHz bunch shaping cavity designed by FERMILAB in collaboration with DESY [1] and installed in FLASH at DESY were calculated up to the range of 10GHz in terms of the ...
Effective mode volumes and Purcell factors for leaky optical cavities
effective mode volumes Purcell factors leaky optical cavities
2011/9/19
Abstract: We show that for optical cavities with any finite dissipation, the term "cavity mode" should be understood as a solution to the Helmholtz equation with outgoing wave boundary conditions. Thi...
Effective mode volumes and Purcell factors for leaky optical cavities
volumes and Purcell factors leaky optical cavities Computational Physics
2011/8/18
Abstract: We show that for optical cavities with any finite dissipation, the term "cavity mode" should be understood as a solution to the Helmholtz equation with outgoing wave boundary conditions. Thi...
Breakdown of the photon lifetime concept in optical cavities with negative group delay
the photon lifetime optical cavities negative group delay
2011/8/18
Abstract: The concept of photon lifetime in a cavity is shown to be non-relevant in the case where the cavity round-trip group delay is negative due to the presence of a strong intracavity negative di...
Dissipative preparation of entanglement in optical cavities
Dissipative preparation entanglement optical cavities
2010/11/8
We propose a novel scheme for the preparation of a maximally entangled state of two atoms in an optical cavity. Starting from an arbitrary initial state, a singlet state is prepared as the unique fixe...
Demonstration of high-Q TE-TM photonic crystal nanobeam cavities
high-Q TE-TM photonic crystal nanobeam cavities Physics
2010/11/16
We experimentally demonstrate high Quality factor dual-polarized TE-TM photonic crystal nanobeam cavities. The free-standing nanobeams are fabricated in a 500 nm thick silicon layer, and are probed u...
We demonstrate broadband tuning of an optomechanical microcavity optical resonance by exploring the large optomechanical coupling of a double-wheel microcavity and its uniquely low mechanical stiffne...
Fabrication and characterization of high quality factor silicon nitride nanobeam cavities
Fabrication characterization quality factor silicon nitride nanobeam cavities
2010/11/9
Si3N4 is an excellent material for applications of nanophotonics at visible wavelengths due to its wide bandgap and moderately large refractive index (n $\approx$ 2.0). We present the fabrication and ...
Generating single-mode behavior in fiber-coupled optical cavities
single-mode behavior fiber-coupled optical cavities
2010/10/18
We propose to turn two distant resonant cavities eectively into one by coupling them via an
optical ber which is coated with two-level atoms [Franson et al., Phys. Rev. A 70, 062302 (2004)].The len...
Largest Schmidt eigenvalue of entangled random pure states and conductance distribution in chaotic cavities
Largest Schmidt eigenvalue entangled random pure states conductance distribution chaotic cavities
2010/10/21
A strategy to evaluate the distribution of the largest Schmidt eigenvalue for entangled random pure states of bipartite systems is proposed. We point out that the multiple integral defining the sought...
Trace formula for dielectric cavities II: Regular, pseudo-integrable, and chaotic examples
Trace formula for dielectric cavities pseudo-integrable chaotic examples
2010/10/27
Dielectric resonators are open systems particularly interesting due to their wide range of applications in optics and photonics. In a recent paper [PRE 78, 056202 (2008), Ref. [3]] the trace formula f...