Results 21 to 30 of about 2,856,450 (305)

Orthogonally Polarized Dual-Wavelength Gain-Switched Ho:LuLiF4 Pulse Laser

open access: yesPhotonics, 2023
A compact, orthogonally polarized, gain-switched a-cut Ho:LuLiF4 laser with intra-cavity pumping by a self-Q-switched Tm:YAP laser is demonstrated here for the first time.
Guanqu Hu   +7 more
doaj   +1 more source

Direct generation of genuine single-longitudinal-mode narrowband photon pairs

open access: yesNew Journal of Physics, 2015
The practical prospect of quantum communication and information processing relies on sophisticated single-photon pairs, which feature a controllable waveform, narrow spectrum, excellent purity, fiber compatibility, and miniaturized design.
Kai-Hong Luo   +8 more
doaj   +1 more source

Indirect overgrowth as a synthesis route for superior diamond nano sensors

open access: yesScientific Reports, 2020
The negatively charged nitrogen-vacancy ( $$\hbox {NV}^{-}$$ NV - ) center shows excellent spin properties and sensing capabilities on the nanoscale even at room temperature.
Christoph Findler   +4 more
doaj   +1 more source

Fabrication limits of waveguides in nonlinear crystals and their impact on quantum optics applications

open access: yesNew Journal of Physics, 2019
Waveguides in nonlinear materials are a key component for photon pair sources and offer promising solutions to interface quantum memories through frequency conversion.
Matteo Santandrea   +3 more
doaj   +1 more source

All-optical nonvolatile optical modulator for in-fiber operation

open access: yesNanophotonics, 2023
The control of information is a defining feature of the information age, and the optical modulator likewise has a crucial role in optical networks. The transmission, processing, and storage of data have demanded low energy consumption and high speed for ...
Liu Zhihai   +10 more
doaj   +1 more source

Active and passive components of 3D integrated optics

open access: yes, 2022
S.130-138The potential of 3D integrated optics based on different technological schemes is investigated. Theoretical and experimental results for waveguide geometries with stacked waveguide layers and with waveguide circuits prepared on topological ...
Streppel, U.   +7 more
core   +1 more source

Integrated optics technology study [PDF]

open access: yes, 1982
The materials and processes available for the fabrication of single mode integrated electrooptical components are described. Issues included in the study are: (1) host material and orientation, (2) waveguide formation, (3) optical loss mechanisms, (4 ...
Chen, B.
core   +2 more sources

Direct recognition of Raman spectra without baseline correction based on deep learning

open access: yesAIP Advances, 2022
Raman spectroscopy, widely used for material analysis, has formed an extensive spectral library. In practical applications, it is usually necessary to preprocess Raman spectroscopy of the target material and then identify the material through spectral ...
Yuping Liu   +3 more
doaj   +1 more source

Improving SPDC single-photon sources via extended heralding and feed-forward control

open access: yesNew Journal of Physics, 2019
Evolving photonic quantum technologies and applications require higher and higher rates of single photon generation. In parallel, it is required that these generated photons are kept spectrally pure for multi-photon experiments and that multi-photon ...
Marcello Massaro   +4 more
doaj   +1 more source

High-Resolution Distributed Dispersion Characterization for Polarization Maintaining Fibers Based on a Closed-Loop Measurement Framework

open access: yesIEEE Photonics Journal, 2017
A closed-loop dispersion measurement framework (CLDM) is proposed. Carrying out dispersion compensation with an arbitrary trial dispersion on the interferogram under test, and using a criterion function as feedback to adjust the trial dispersion until ...
Zhangjun Yu   +8 more
doaj   +1 more source

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