vertical cavity surface emitting laser (VCSEL)
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 ...
5
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 ...
6
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 ...
5
Ultrafast circular polarization oscillations in spin-polarized vertical-cavity surface-emitting laser devices
... Titanium:Sapphire laser at an excitation wavelength of 770nm with a repetition rate of ...the laser pulse after transmission through the single-mode fiber was ...emission. Surface reflected pump ...
10
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
... Fig. 1 illustrates the relationship between the output polarization ellipticity (ε) of the spin-VCSEL and the ML’s injection power for different values of initial wavelength detuning. The injection power was measured as ...
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A Long Haul Carrier Generated Ultra Dense Passive Optical Network Incorporating Low Cost VCSEL
... A vertical cavity surface emitting laser generates the seeding light and then the seeding light is injected into MZM. The intensity modulator output signal at 2.5 Gbit/s transmitted via ...
6
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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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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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) ...
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Free-space optics mode-wavelength division multiplexing system using LG modes based on decision feedback equalization
... Furthermore, in order to make FSO more feasible in respect to high capacity performance, photonic and electronic equalization schemes need to be integrated and explored, which will scale FSO better than through being ...
5
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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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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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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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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Unit3_LED_LASER_PPT.pdf
... Gives high efficiency and high output capabilities compared to DFB and DBR laser due to small active region... Vertical cavity surface emitting laser (VCSEL)[r] ...
45
Design of a LW-VCSEL Optical Source
... The vertical cavity surface emitting laser (VCSEL) is a low cost light source with attractive performance characteristics such as low power consumption, high speed capabilities at low ...
10
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 ...
6
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 ...
9