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vertical cavity

Temperature dependence of spontaneous switch-on and switch-off of laser cavity solitons in vertical-cavity surface-emitting lasers with frequency-selective feedback

Temperature dependence of spontaneous switch-on and switch-off of laser cavity solitons in vertical-cavity surface-emitting lasers with frequency-selective feedback

... Broad-area semiconductor lasers are attractive for high power applications but are limited by numerous instabilities leading to emission on many spatial modes and thus reducing the beam quality and brightness. This is ...

19

Correlated fluctuations in the polarization modes of a vertical-cavity semiconductor laser

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 cavity. Benefits of this construc- tion are, for example, ...

9

Dynamics of a vertical cavity quantum cascade phonon laser structure

Dynamics of a vertical cavity quantum cascade phonon laser structure

... acoustic cavity is ...the cavity, the vertical cavity structure we have made is theoretically capable of achieving and sustaining phonon oscillation when pumped above a ...the ...

6

Spontaneous formation of vector vortex beams in vertical-cavity surface-emitting lasers with feedback

Spontaneous formation of vector vortex beams in vertical-cavity surface-emitting lasers with feedback

... Hence, considerable effort was spent on creating these unusual polarization states [1], relying on a substantial engineering effort based on specialized equipment as tai- lored laser resonators [18, 19], meta-surfaces ...

6

Spin induced gigahertz polarization oscillations in vertical-cavity surface-emitting laser devices

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 ...

8

Dynamics importance sampling for the collection of switching events in vertical cavity surface emitting lasers

Dynamics importance sampling for the collection of switching events in vertical cavity surface emitting lasers

... A numerical approach based on dynamic importance sampling (DIMS) is applied to in- vestigate polarization switches in vertical-cavity surface-emitting lasers. A polarization switch is described as an ...

7

Polarization dynamics in vertical-cavity surface emitting lasers

Polarization dynamics in vertical-cavity surface emitting lasers

... Experiments and their interpretation on polarization dynamics and polarization switching in vertical-cavity surface-emitting lasers operated in the fundamental trans- verse mode regime are reviewed. ...

28

Physical insight into the polarization dynamics of semiconductor vertical-cavity lasers

Physical insight into the polarization dynamics of semiconductor vertical-cavity lasers

... The polarization properties of semiconductor vertical-cavity lasers ~ VCSELs ! are generally described with a model introduced by San Miguel, Feng, and Moloney ~ SFM ! in Phys. Rev. A 52, 1728 ~ 1995 ! . We ...

11

Investigating Scaling Effects on The Static Characteristics of Long-Wavelength Vertical Cavity Lasers (VCSELs)

Investigating Scaling Effects on The Static Characteristics of Long-Wavelength Vertical Cavity Lasers (VCSELs)

... Abstract — In this paper, the characteristics of long- wavelength vertical-cavity surface-emitting laser (VCS EL) lasing at 1550 nm have been studied based on the influence of the oxide aperture radius. ...

5

How the carrier momentum influences the polarization properties of a vertical-cavity semiconductor laser

How the carrier momentum influences the polarization properties of a vertical-cavity semiconductor laser

... Vertical-cavity surface-emitting lasers ~ VCSEL’s ! are a very interesting breed of semiconductor lasers, both funda- mentally and from an applications point of view. This is particularly true for the ...

8

Polarization switches in vertical cavity surface emitting lasers

Polarization switches in vertical cavity surface emitting lasers

... Vertical Cavity Surface Emitting Lasers (VCSEL) are a novel class of semiconductor lasers which are having great success in many applications requiring high speed, precision and ...

9

Modeling of Wavelength Conversion Using Switching Bistability in a Vertical Cavity Semiconductor Saturable Absorber

Modeling of Wavelength Conversion Using Switching Bistability in a Vertical Cavity Semiconductor Saturable Absorber

... All-Optical wavelength conversion is a more advances conversion technique in recent WDM network systems. The conversion process in general utilizes some nonlinear optical effects, which includes four wave mixing (FWM), ...

6

Structural Analysis of InGaAs Based Vertical Cavity Surface-Emitting Quantum Well Laser

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 well and barrier, the ...

6

Polarization fluctuations in vertical-cavity semiconductor lasers

Polarization fluctuations in vertical-cavity semiconductor lasers

... Polarization fluctuations are present in all lasers, but are exceptionally strong in semiconductor vertical-cavity surface-emitting lasers ~ VCSELs ! . The reason for this is two- fold. On the one hand, the ...

15

Vector cavity solitons in broad area Vertical-Cavity Surface-Emitting lasers

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 cavity soliton ...

7

Vertical-Cavity Surface-Emitting Lasers for Ultra-High Speed Photonics

Vertical-Cavity Surface-Emitting Lasers for Ultra-High Speed Photonics

... a verticalcavity surface‐emitting laser (VCSEL) with a transverse‐coupled‐ cavity (TCC) for a larger enhancement of the modulation bandwidth used in ultra‐high‐ speed ...feedback cavity shows ...

10

Characterization of Vertical Cavity Surface Emitting Lasers With Electrical and Optical Derivative Spectroscopy

Characterization of Vertical Cavity Surface Emitting Lasers With Electrical and Optical Derivative Spectroscopy

... laser cavity was formed by cleaved or polished semiconductor surfaces providing the optical feedback, and the p-n junction was forward biased for external ...first Vertical Cavity laser was created. ...

82

Design of a Vertical Cavity Optical Micro-Electromechanical Filter

Design of a Vertical Cavity Optical Micro-Electromechanical Filter

... technology, vertical cavity devices with an air-gap enable very efficient ultra-wide continuous tuning with only a single control ...The vertical cavity filters and Lasers consist of an ...

7

Calculating Threshold Current Density and Output Power of Vertical Cavity Surface Emitting Laser

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 ...

6

Vertical cavity surface emitting lasers: Design, characterisation and integration

Vertical cavity surface emitting lasers: Design, characterisation and integration

... The abive figure (4.2a) clearly shows the effect of the increased confinement factor in the PGS case (cavity c), demonstrated by an approximately three fold decrease in threshold gain (per QW) in going from a IQW ...

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