Results 201 to 210 of about 36,081 (260)

Exploring the feedback limits of quantum dot lasers for isolator-free photonic integrated circuits. [PDF]

open access: yesLight Sci Appl
Shi Y   +6 more
europepmc   +1 more source

High spectral energy density all-fiber nanosecond pulsed 1.7 μm light source for photoacoustic microscopy. [PDF]

open access: yesPhotoacoustics
Bak S   +9 more
europepmc   +1 more source

Dual epitaxial telecom spin-photon interfaces with long-lived coherence. [PDF]

open access: yesNat Commun
Gupta S   +8 more
europepmc   +1 more source

Narrow-Linewidth Fano Laser

Conference on Lasers and Electro-Optics, 2022
By exploiting Fano resonances, a microscopic laser with a linewidth >20 times smaller than previous microscopic lasers is experimentally demonstrated. We also show that the linewidth can be further improved by engineering the Fano lineshape.
Yi Yu   +4 more
openaire   +1 more source

Hybrid integrated narrow-linewidth semiconductor lasers

Applied Optics, 2023
Integrated narrow-linewidth lasers are the key devices in compact coherent optical systems of metrology, sensing, and optical microwave generation. Here, we demonstrate a hybrid integrated laser based on an optical negative feedback scheme.
Baoshuai Li   +9 more
openaire   +2 more sources

Wavelength-tunable narrow-linewidth gaseous Raman laser

Applied Optics, 2021
Gaseous Raman lasers cover a range of wavelengths but lack wavelength tunability. Here, a 1 c m − 1 linewidth 532 nm laser was used as a pump laser, and with a narrow-linewidth seed laser injection, a narrow-linewidth first Stokes (S1) Raman ...
Chencheng Shen   +8 more
openaire   +2 more sources

Narrow linewidth quantum cascade laser

Conference on Lasers and Electro-Optics, 2020
A narrow linewidth quantum cascade laser was obtained by optical feedback locking to a high finesse linear cavity with locking bandwidth larger than 5 MHz, resulting in an instantaneous linewidth at mHz levels.
Gang Zhao   +2 more
openaire   +1 more source

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