Results 241 to 250 of about 2,413,261 (306)
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Nature, 2005
The possibility of light generation and/or amplification in silicon has attracted a great deal of attention for silicon-based optoelectronic applications owing to the potential for forming inexpensive, monolithic integrated optical components. Because of its indirect bandgap, bulk silicon shows very inefficient band-to-band radiative electron-hole ...
Haisheng, Rong +7 more
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The possibility of light generation and/or amplification in silicon has attracted a great deal of attention for silicon-based optoelectronic applications owing to the potential for forming inexpensive, monolithic integrated optical components. Because of its indirect bandgap, bulk silicon shows very inefficient band-to-band radiative electron-hole ...
Haisheng, Rong +7 more
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Broadband Petal‐Like Raman Laser
Annals of Physics, 2022High‐order Laguerre‐Gaussian (LG0,n) petal‐like lasers are extremely important for manipulating microparticles, creating 3D optical trapping structures, and free space optical communication.
Yujie Miao, Lin Zhang, Jun Dong
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CO2-based hollow-core fiber Raman laser with high-pulse energy at 1.95 µm.
Optics Letters, 2021In this Letter, we present a high-pulse energy (>10µJ) Raman laser at 1946 nm wavelength directly pumped with a 1533 nm custom-made fiber laser. The Raman laser is based on stimulated Raman scattering (SRS) in an 8 m carbon dioxide (CO2)-filled nested ...
Yazhou Wang +3 more
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Applied Physics Letters, 2001
An intersubband Raman laser has been realized in an artificial GaAs/AlGaAs three-level quantum-well structure. A CO2 laser in resonance with the one-to-three level transition is used as the pump, while the lasing emission occurs via the three-to-two level transition.
Liu, Hui +6 more
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An intersubband Raman laser has been realized in an artificial GaAs/AlGaAs three-level quantum-well structure. A CO2 laser in resonance with the one-to-three level transition is used as the pump, while the lasing emission occurs via the three-to-two level transition.
Liu, Hui +6 more
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Nature, 2005
Stimulated Raman scattering is a nonlinear optical process that, in a broad variety of materials, enables the generation of optical gain at a frequency that is shifted from that of the incident radiation by an amount corresponding to the frequency of an internal oscillation of the material.
Mariano, Troccoli +5 more
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Stimulated Raman scattering is a nonlinear optical process that, in a broad variety of materials, enables the generation of optical gain at a frequency that is shifted from that of the incident radiation by an amount corresponding to the frequency of an internal oscillation of the material.
Mariano, Troccoli +5 more
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Journal of Applied Physics, 1980
The semiconductor Raman laser has been realized by using a GaP crystal. Pumping is made by a Q-switched YAG laser operating at 1.064 μm. The round-trip loss in the Fabry-Perot resonator is 2% or less. The Raman scattering from LO phonons stimulates in the 〈100〉 direction, while the forward and backward Raman scattering from TO phonons stimulate in the 〈
K. Suto, J. Nishizawa
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The semiconductor Raman laser has been realized by using a GaP crystal. Pumping is made by a Q-switched YAG laser operating at 1.064 μm. The round-trip loss in the Fabry-Perot resonator is 2% or less. The Raman scattering from LO phonons stimulates in the 〈100〉 direction, while the forward and backward Raman scattering from TO phonons stimulate in the 〈
K. Suto, J. Nishizawa
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Raman laser from an optical resonator with a grafted single-molecule monolayer
Nature Photonics, 2019Raman-based technologies have enabled many ground-breaking scientific discoveries related to surface science, single-molecule chemistry and biology. For example, researchers have identified surface-bound molecules by their Raman vibrational modes and ...
Xiaoqin Shen +4 more
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Watt-Level Nanosecond 4.42- $\mu$ m Raman Laser Based on Silica Fiber
IEEE Photonics Technology Letters, 2019We report the demonstration of a 4.42- $\mu \text{m}$ silica-fiber-based Raman laser delivering a record average output power of 1.4 W and operating in a single transversal mode.
M. Astapovich +5 more
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Conference on Lasers and Electro-Optics, 1982
This paper reports what we believe to be the first observation of a stimulated nonresonant anti-Stokes Raman laser. Thallium vapor which was inverted by selective photodissociation of TICI was used as the Raman medium. Using the second (532-nm) and third (355-nm) harmonics of a Nd:YAG laser as pump sources, stimulated anti-Stokes emission from the
J. C. White, D. Henderson
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This paper reports what we believe to be the first observation of a stimulated nonresonant anti-Stokes Raman laser. Thallium vapor which was inverted by selective photodissociation of TICI was used as the Raman medium. Using the second (532-nm) and third (355-nm) harmonics of a Nd:YAG laser as pump sources, stimulated anti-Stokes emission from the
J. C. White, D. Henderson
openaire +1 more source