high-power CW diode-pumped vertical-external-cavity surface-emitting semiconductor lasers
An electrically pumped surface-emitting semiconductor green laser
... Vertical-cavity surface-emitting laser (VCSEL) diodes, first presented in 1979 (1), emit a coherent optical beam vertically from the device top surface and offer a number of advantages ...
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Femtosecond synchronously in-well pumped vertical-external-cavity surface-emitting laser
... Vertical-external-cavity surface-emitting lasers (VECSELs) have been demonstrated to produce high continuous wave (CW) average output powers with excellent beam ...
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Vector cavity solitons in broad area Vertical-Cavity Surface-Emitting lasers
... an external cavity diode laser in Littrow configuration (Sacher Lasertechnik TEC100-960-60), isolated from the rest of the setup by an optical ...injection power is then tuned by changing the ...
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Vertical cavity surface emitting lasers: Design, characterisation and integration
... when semiconductor DBRs were integrated, at the growth stage [see for example Jewell et ...quality high reflectivity DBRs could be grown using the techniques of MBE [Van der Ziel et ...the ...
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Characterization of Vertical Cavity Surface Emitting Lasers With Electrical and Optical Derivative Spectroscopy
... field. High power microscope objectives require a close working ...the diode, the one on the left is a hermetically packaged diode with a can, and the one on the right is a diode ...
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Femtosecond synchronously mode-locked vertical-external cavity surface-emitting laser
... Optically pumped vertical-external cavity surface-emitting lasers (VECSEL) [1] combine the advantages of multiple quantum well semiconductor lasers with ...
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Vertical-Cavity Surface-Emitting Lasers for Ultra-High Speed Photonics
... have high‐speed operation, have low power consumption, and can be fabricated into arrays ...and high‐ speed transmission, the development of high speed VCSELs is a key ...the ...
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Operation of an optical in-well-pumped vertical-external-cavity surface-emitting laser
... cial. First, the absorption can be further enhanced by optimizing the overlap integral of the pump field over QWs together with grouping QWs. Second, the ab- sorption per QW as well as the number of QWs can be increased. ...
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High frequency continuous birefringence-induced oscillations in spin-polarized vertical-cavity surface-emitting lasers
... of external control (by the pump polarization) of these oscillations and their frequency is pre- dicted theoretically and confirmed ...traditional semiconductor lasers and with high potential ...
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High Power Pulsed Intra-Cavity Frequency Doubled Vertical Extended Cavity Blue Laser Arrays
... Surface emitting lasers can easily be arranged in a two-dimensional ...under CW and quasi-CW operating ...The external cavity is comprised of an output coupler that is ...
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Vertical external cavity semiconductor lasers
... the power output characteristics shown in figure ...back surface of the intact substrate of the gain structure was made to contact a Peltier cooler using thermally conductive ...was pumped with up to ...
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Control of emitted light polarization in a 1310 nm dilute nitride spin-vertical cavity surface emitting laser subject to circularly polarized optical injection
... A CW current source was used to optically pump the spin-VCSEL ...a power meter using a 90/10 coupler to monitor the CW pumping ...an external optical signal, generated by a 1300 nm ...
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High power disk laser
... radiation losses in the resonator. To avoid overheating, the size of the active medium should vary in accordance with the law of power scaling. Then, to avoid large losses caused by their exponential growth during ...
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Cavity-Enhanced Raman Spectroscopy of Natural Gas with Optical Feedback cw-Diode Lasers
... Raman light scattered from within the excitation volume along the line of laser excitation is collected in a 0 ° forward scattering geometry, with linearly polarized excitation and unpolarized Raman detection since no ...
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A power scaling strategy for longitudinally diode pumped Tm:YLF lasers
... a power scaling strategy for taking the 2µm output of Tm:YLF lasers into the 100W ...output power before thermally induced fracture occurs, of ...investigate cavity designs to enable ...
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Physical insight into the polarization dynamics of semiconductor vertical-cavity lasers
... of semiconductor vertical-cavity lasers ~ VCSELs ! are generally described with a model introduced by San Miguel, Feng, and Moloney ~ SFM ! in ...! lasers, with intuitive pictures of ...
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Spontaneous formation of vector vortex beams in vertical-cavity surface-emitting lasers with feedback
... FIG. 2. (Color online) LI-characteristic obtained by mon- itoring the output power of the VCSEL via the BS and a linear polarizer oriented at -45 ◦ . The current is increased from 610 mA in small steps of 0.1 mA ...
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Dynamics importance sampling for the collection of switching events in vertical cavity surface emitting lasers
... We now use the algorithm of Sec. 3 to describe noise-induced polarization switching in VCSELs. Consider a device described by the set of equations (2)-(4) emitting in the fundamental transverse mode [5], whose ...
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Program on Technology Innovation: Assessment of Fusion Energy Options for Commercial Electricity Production
... heating power into the plasma, using radio frequency and neutral beam injection heating systems proven on JET and numerous other experiments around the ...deliver power to the ...pumping, ...
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Analysis of spatial emission structures in vertical-cavity surface-emitting lasers with feedback from a volume Bragg grating
... output power increases further but the spatial structure stays essentially the same ...longitudinal cavity resonance as discussed before for free-running devices of this kind ...
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