Results 201 to 210 of about 48,097 (368)

Optically Multiplexed Systems: Wavelength Division Multiplexing

open access: yes, 2019
Meena Dasan   +4 more
openaire   +3 more sources

On‐Chip Active High‐Q Slow Light Topological Cavities

open access: yesLaser &Photonics Reviews, EarlyView.
A slow light topological cavity is presented, where the light confinement and the quality (Q) factor are controlled through engineered dispersion of the slow light waveguide mode and its group velocity, introducing a new degree of freedom to design high‐Q photonic cavities.
Xin Zhao   +8 more
wiley   +1 more source

A new material platform of Si photonics for implementing architecture of dense wavelength division multiplexing on Si bulk wafer. [PDF]

open access: yesSci Technol Adv Mater, 2017
Zhang Z   +9 more
europepmc   +1 more source

Mid‐infrared Frequency‐Swept Laser at 50 MScans/s Via Frequency Down‐Conversion of Time‐Stretched Near‐Infrared Pulses

open access: yesLaser &Photonics Reviews, EarlyView.
A mid‐infrared frequency‐swept source operating is presented at 50 MScans s−1 using frequency down‐conversion of time‐stretched 1.5‐µm pulses generated from an Er‐doped mode‐locked fiber laser. The developed source enables high‐resolution gas‐phase MIR spectroscopy with a bandwidth of 15 cm−1 and a resolution of 0.086 cm−1 at a measurement rate of 50 ...
Makoto Shoshin   +4 more
wiley   +1 more source

All‐Fiber 2 µm Mamyshev Oscillator: Mapping of Different Operating Regimes

open access: yesLaser &Photonics Reviews, EarlyView.
An all‐fiber 2 µm Mamyshev oscillator is presented based on Tm‐doped fiber amplifiers separated by a broadband fixed wavelength filter and a tunable narrow bandwidth filter, which delivers 309 fs directly out of standard silica fiber. The different regimes of interaction are demonstrated, including how the mode‐locking region in terms of pump powers ...
Song Yang   +3 more
wiley   +1 more source

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