Vertical Cavity Surface Emitting Laser
Spatially Resolved Absorption Spectroscopy on a Microhollow Cathode Helium Plasma Using a Vertical-Cavity Surface-Emitting Laser
... 300 µ m diameter, we measured the absorption spectra with spatial resolution of 30 µ m using a vertical-cavity surface-emitting laser diode. The spectra observed near the electrode at ...
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Calculating Threshold Current Density and Output Power of Vertical Cavity Surface Emitting Laser
... Vertical cavity surface emitting laser is one of the most improved optical transmitters for photonic integrated circuit ...Resonant cavity or this structure is along the ...
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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
... We experimentally demonstrate the control of the light polarization emitted by a 1310 nm dilute nitride spin-Vertical Cavity Surface Emitting Laser (VCSEL) at room temperature. This is ...
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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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Spin induced gigahertz polarization oscillations in vertical-cavity surface-emitting laser devices
... remove an elliptical beam shape and then passes a polarization control composed of a linear polarizer and a quarter wave plate. After this the pulse width is extended to 3 ps because of the dispersion from the single ...
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Circular polarization switching and bistability in an optically injected 1300 nm spin-vertical cavity surface emitting laser
... 3-λ cavity of the device consisted of five stacks of three quantum wells (QWs) placed approximately at the antinodes of the standing wave pattern of the optical ...
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Tunable diode laser absorption spectroscopy based detection of propane for explosion early warning by using a vertical cavity surface enhanced laser source and principle component analysis approach
... DFB laser [21] taking advantage of the very strong absorption of the gas at this wavelength ...DFB laser typically is narrow, which usually only allows for the coverage of one absorption peak – for propane, ...
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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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Spontaneous formation of vector vortex beams in vertical-cavity surface-emitting lasers with feedback
... The spontaneous emergence of vector vortex beams with non-uniform polarization distribution is reported in a vertical-cavity surface-emitting laser (VCSEL) with frequency-selective ...
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Electrically-controlled neuron-like spiking regimes in vertical-cavity surface-emitting lasers at ultrafast rates
... Abstract—We report experimentally on the electrically- controlled, tunable and repeatable neuron-like spiking regimes generated in an optically-injected vertical-cavity surface-emitting ...
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Dynamic modelling of electrooptically modulated vertical compound cavity surface emitting semiconductor lasers
... Vertical-cavity surface-emitting laser (VCSEL) constructions capable of direct modulation at bit rates in excess of 40 GBit/s have attracted considerable attention for future high speed ...
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Controllable spiking patterns in long-wavelength vertical cavity surface emitting lasers for neuromorphic photonics systems
... nm Vertical Cavity Surface Emitting Laser (VCSEL) in response to induced perturbations and for two different cases of polarized optical injection, namely parallel and ...
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Structural Analysis of InGaAs Based Vertical Cavity Surface-Emitting Quantum Well Laser
... A theoretical design has been presented of InGaAs- based 1.3 µm vertical cavity surface emitting laser (VCSEL). The design has been optimized by considering the thickness of quantum ...
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Vector cavity solitons in broad area Vertical-Cavity Surface-Emitting lasers
... vector cavity solitons in a Vertical-Cavity Surface-Emitting Laser (VCSEL) under linearly polarized optical injection when varying optical injection linear polarization ...the ...
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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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Vertical-Cavity Surface-Emitting Lasers for Ultra-High Speed Photonics
... a vertical‐cavity surface‐emitting laser (VCSEL) with a transverse‐coupled‐ cavity (TCC) for a larger enhancement of the modulation bandwidth used in ultra‐high‐ speed ...
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Femtosecond synchronously in-well pumped vertical-external-cavity surface-emitting laser
... the laser pulse was also recorded and considerable variations again observed in the − 4 µm to +4 µm ...the laser cavity was shortened from +4 µm to 0 µm, the FWHM of the autocorrelation first ...
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Characterization of Vertical Cavity Surface Emitting Lasers With Electrical and Optical Derivative Spectroscopy
... objectives. The smaller box is 12cm long, 6.5cm wide and 3.5cm deep. The larger box is 19.5cm long, 11.5cm wide and 5.5cm deep. A 2.5cm diameter hole was cut into the shorter side wall of both boxes at one end to allow ...
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Dynamics importance sampling for the collection of switching events in vertical cavity surface emitting lasers
... The DIMS algorithm accelerates the simulations in the following way. Instead of exploring irrelevant parts of the coordinate-space, the simulations are performed in the vicinity of the trajectory that the laser is ...
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Bistability conditions between lasing and non-lasing states for vertical-cavity surface-emitting lasers with frequency-selective optical feedback
... feedback strength, the LI-curves show a small pedestal before the abrupt turn-on (Figure 6a). The pedestal is the remnant of high-amplitude oscillations after time averaging. The pump current corresponding to the abrupt ...
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