vertical cavity surface emitting semiconductor laser
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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How the carrier momentum influences the polarization properties of a vertical-cavity semiconductor laser
... By taking carrier momentum into account, we present an extension of the commonly used model that describes the polarization properties of vertical-cavity surface-emitting lasers ~ VCSEL’s ! . ...
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Characterization of Vertical Cavity Surface Emitting Lasers With Electrical and Optical Derivative Spectroscopy
... a semiconductor p-n junction in 1962 16 ...The laser cavity was formed by cleaved or polished semiconductor surfaces providing the optical feedback, and the p-n junction was forward biased for ...
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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
... 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 ...for ...
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Femtosecond synchronously mode-locked vertical-external cavity surface-emitting laser
... pumped vertical-external cavity surface-emitting lasers (VECSEL) [1] combine the advantages of multiple quantum well semiconductor lasers with optical ...a semiconductor ...
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Femtosecond synchronously in-well pumped vertical-external-cavity surface-emitting laser
... The schematic structure of the VECSEL gain element and the laser cavity are shown in Fig. 1. The VECSEL wafer used in this work was grown by MOCVD. It was originally designed for conventional barrier ...
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Calculating Threshold Current Density and Output Power of Vertical Cavity Surface Emitting Laser
... The working principle of VCSEL is explained by the physics of Bragg reflection. Kavokin analyzed the effect of light absorption [5] using transfer matrix method in multilayer semiconductor devices. Brovelli showed ...
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Dynamic modelling of electrooptically modulated vertical compound cavity surface emitting semiconductor lasers
... compound cavity lasers (see e.g. Avrutin et al. 1999). Namely, the laser cavity is treated as a complex resonator, and a complex eigenfrequency of this resonator is found, which is then used to ...
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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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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 ...
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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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Polarization fluctuations in vertical-cavity semiconductor lasers
... in semiconductor vertical-cavity surface-emitting lasers ~ VCSELs ! ...any semiconductor laser and leads, among others, to a relatively large quantum-limited laser ...
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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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Vertical cavity surface emitting lasers: Design, characterisation and integration
... Specifically the use of optimised DBRs coupled to a graded index separate confinement heterostructure (GRINSCH) cavity is shown to improve the high power characteris[r] ...
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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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Vertical external cavity semiconductor lasers
... intra-cavity laser absorption spectroscopy ...broadened laser transition to detect weak and sharp absorption lines of gas contained within the laser ...of laser action, these absorption ...
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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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Dynamics importance sampling for the collection of switching events in vertical cavity surface emitting lasers
... [14] S. Beri, R. Mannella, and P. V. E. McClintock, Dynamics importance sampling for the activation problem in nonequilibrium continuous systems and maps in Noise in Complex Systems and Stochastic Dynamics II, edited by ...
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Spontaneous formation of vector vortex beams in vertical-cavity surface-emitting lasers with feedback
... lored laser resonators [18, 19], meta-surfaces and spa- tially varying wave plates [20–22], Mach-Zehnder inter- ferometers [8], modal control in few-mode fibers [14, 23], spatial light modulators [4], tailored ...
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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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