vertical-external-cavity laser
Femtosecond synchronously in-well pumped vertical-external-cavity surface-emitting laser
... The external cavity geometry is controlling the spatial and longitudinal mode properties of the ...the cavity as well as allowing an independent and accurate control of the cavity ...
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High Power Pulsed Intra-Cavity Frequency Doubled Vertical Extended Cavity Blue Laser Arrays
... DFB laser, which confirms the good beam characteristics of the ...The external cavity for the intra-cavity frequency doubled VECSEL as shown in ...long external cavity. The lens ...
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Quantum modeling of semiconductor gain materials and vertical-external-cavity surface-emitting laser systems
... This article reviews the application of the microscopic model to a wide range of material systems used in VEC- SEL and other laser systems. After our theoretical ap- proach is briefly introduced (Section 2), we ...
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Spatially Resolved Absorption Spectroscopy on a Microhollow Cathode Helium Plasma Using a Vertical-Cavity Surface-Emitting Laser
... the laser diode was set at ...the laser light fre- quency, we modulated the diode current by the voltage ap- plied to the external input of a current controller (Thorlabs, LDC202C) from a function ...
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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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Temperature dependence of spontaneous switch-on and switch-off of laser cavity solitons in vertical-cavity surface-emitting lasers with frequency-selective feedback
... localized structures that appear in traps in VCSELs with frequency-selective feedback. The investigations clear show that the decisive effect of the device temperature is to control the detuning between VCSEL and VBG ...
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Investigation of near infrared laser diodes for application in space based spectroscopic gas sensing
... prominent laser diode sources presently available on the market for gas sensing applications is ...common laser diodes and the design feature unique to all is also ...with laser diode-based, ...
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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
... Fig1. (a) Setup used in this work to study the effect of polarized optical injection in an optically-pumped 1300 nm spin-VCSEL sample. (b) Optical spectrum of the spin-VCSEL. (c) The L-I curve under LCP pumping for the ...
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Vertical external cavity semiconductor lasers
... Indeed, pulsed semiconductor lasers seldom use their broad intrinsic gain bandwidth to full advantage in the generation of short pulses. The mode-locked VECSELs described above typically exhibit rather narrow optical ...
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Operation of an optical in-well-pumped vertical-external-cavity surface-emitting laser
... Ti:sapphire laser was again used as the pump source. The laser beam was focused onto the sample to give a spot size of roughly 500 m in ...the cavity axis can be related to the pump wavelength p ...
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Femtosecond synchronously mode-locked vertical-external cavity surface-emitting laser
... the laser characteristics as a function of pump duration and cavity tuning were performed showing the potentials as well as the limitations of the synchronous pumping approach for mode- ...for ...
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100 kW peak power external cavity diamond Raman laser at 2.52 μm
... In this work, a Tm:YLF laser operating at ~1.89 μm was used to pump a DRL at ~2.52 μm. This wavelength is located at the edge of multiphonon absorption in diamond and the results reported here demonstrate the ...
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Spectral and temporal control of Q-switched solid-state lasers using intracavity MEMS
... Q-switched laser output was measured by focusing it onto a ...the laser tuned to 50 mW of average output power for each ...through cavity alignment, resulted in a variation of the full width half ...
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A Long Haul Carrier Generated Ultra Dense Passive Optical Network Incorporating Low Cost VCSEL
... An UDWDM-PON system reliant on carrier generation through low cost VCSEL laser is demonstrated for bidirectional passive optical network at 2.5 Gb/s. Proposed architecture sustains 80 carriers that are divided in ...
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Structural Analysis of InGaAs Based Vertical Cavity Surface-Emitting Quantum Well Laser
... long-wavelength vertical- cavity surface-emitting lasers (LW-VCSELs) in order to realize reduced optical loss, as well as increasing current and optical ...
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Research on Photoelectric Characteristics of VCSEL
... the laser is an important factor to be considered in the system ...the laser to ensure the accuracy of the simulation ...the Vertical Cavity Surface Emitting Laser (VCSEL) has attracted ...
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Spin induced gigahertz polarization oscillations in vertical-cavity surface-emitting laser devices
... Spin-controlled vertical-cavity surface-emitting lasers (VCSELs) have been intensively studied in recent years because of the low threshold feasibility and the nonlinearity above threshold, which make ...
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Calculating Threshold Current Density and Output Power of Vertical Cavity Surface Emitting Laser
... the vertical cavity surface emitting laser is analytically calculated as a function of different electrical and optical parameters, and their interdependency is also ...
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Ultrafast circular polarization oscillations in spin-polarized vertical-cavity surface-emitting laser devices
... Anyway, the development of an efficient room-temperature spin-laser that fully exploits the above mentioned potential requires a comprehensive understanding of the interaction between the spin induced polarization ...
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DEVELOPMENT, IMPLEMENTATION AND EVALUATION OF NARROW LINEWIDTH EXTERNAL CAVITY DIODE LASERS FOR USE IN RAMAN GENERATION EXPERIMENTS
... This laser system is well developed and thoroughly analyzed in literature; it has also proven highly reliable in ...the laser characterized as shown in ...of laser diode modules, this laser ...
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