diode-pumped broadband vertical-external-cavity surface-emitting semiconductor laser
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 quality ...optically ...
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Quantum modeling of semiconductor gain materials and vertical-external-cavity surface-emitting laser systems
... the cavity resonance, a narrow peak arises at 843 nm superimposed on the stop ...adjacent cavity resonance is ...higher cavity resonance so that a second region of light amplification occurs around ...
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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 optical ...a ...
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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
... pump laser driven by a 1 A CW current source was used to optically pump the spin-VCSEL ...an external optical signal, generated by a 1300 nm external cavity tunable lasers (Master ...
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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 ...
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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 ...
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Spatially Resolved Absorption Spectroscopy on a Microhollow Cathode Helium Plasma Using a Vertical-Cavity Surface-Emitting Laser
... VCSEL diode (Vixar, V670S-002-0001) positioned on a diode mount (Thorlabs, ...the laser diode was set at ...the laser light fre- quency, we modulated the diode current by the ...
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Characterization of Vertical Cavity Surface Emitting Lasers With Electrical and Optical Derivative Spectroscopy
... and external stimulation. This was first achieved in a semiconductor p-n junction in 1962 16 ...The laser cavity was formed by cleaved or polished semiconductor surfaces providing the ...
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Vertical external cavity semiconductor lasers
... this laser used no post-growth processing of any kind to reduce thermal impedance: the back surface of the intact substrate of the gain structure was made to contact a Peltier cooler using thermally ...
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Operation of an optical in-well-pumped vertical-external-cavity surface-emitting laser
... sorption length of the barrier turns the number of QWs into a critical design parameter. Too few wells will result in a significant fraction of the expensive 700 nm pump light being transmitted through to and absorbed in ...
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Vertical-Cavity Surface-Emitting Lasers for Ultra-High Speed Photonics
... VCSELs have small size, are low cost, have high‐speed operation, have low power consumption, and can be fabricated into arrays [1,2]. These advantages cause VCSELs to attract much attention for use in photonics, e.g. ...
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Vertical cavity surface emitting lasers: Design, characterisation and integration
... QW laser which seems to be most useful, due to its low threshold (when the top DBR is highly ...the laser from entering the (detrimental) high carrier injection regime near ...in-plane laser examples ...
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Correlated fluctuations in the polarization modes of a vertical-cavity semiconductor laser
... The vertical-cavity surface-emitting laser 共 VCSEL 兲 is a novel type of semiconductor laser with an almost circular geometry and a very short ...
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Numerical Analysis of the Effect of Temperature and External Optical Feedback Variation on the Output Characteristics of External Cavity Semiconductor Laser Based Fiber Bragg Gratings
... FGFP laser [1] [4] ...the external cavity diode laser was under strong OFB; ...of external OFB was not investigated in weak and moderate ...the external OFB effects on the ...
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Mode referencing of an external cavity diode laser for continuous frequency stabilization
... the laser current, there is no thermal interaction present so that the fast loop can operate at shorter timescales 共milliseconds兲 in comparison to the slow ...the laser output frequency and to obtain ...
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Ultrafast circular polarization oscillations in spin-polarized vertical-cavity surface-emitting laser devices
... electrically pumped VCSEL structures usually suffer from linear predetermination of their polarization and from complex polarization dynamics caused by birefringence and dichroism in the ...the laser ...
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Polarization switches in vertical cavity surface emitting lasers
... active cavity: this allows one to fabricate two dimensional arrays of lasers and reduces dramatically the astigmatism of the ...VCSEL emitting in the fundamental transverse mode; due to the circular design ...
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Optical devices using an external cavity semiconductor laser
... A dual-mode optical device selectively operative in signal generation and amplification modes is disclosed herein. The dual-mode device includes a body of semiconductor material having opposed from and rear ...
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Delay-differential-equation modeling of mode-locked vertical-external-cavity surface-emitting lasers in different cavity configurations
... Time-delayed model We consider last an alternative, and so far hypothetic, case of the central chip being the SESAM, with the gain chip and the mirror m terminating the cavity, which is [r] ...
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Temperature dependence of spontaneous switch-on and switch-off of laser cavity solitons in vertical-cavity surface-emitting lasers with frequency-selective feedback
... of laser cavity solitons in broad-area vertical-cavity surface-emitting lasers with frequency-selective feedback by a volume Bragg grating is ...the cavity length causes a ...
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