nm vertical-cavity surface-emitting lasers
Polarization dynamics in vertical-cavity surface emitting lasers
... longitudinal cavity resonance, the HF-mode will be favored, otherwise the ...the cavity resonance shift with quite different rates with temperature (about ...0.3 nm/K for the gain [16, 43], 0.08 ...
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Controlled propagation of spiking dynamics in vertical-cavity surface-emitting lasers : towards neuromorphic photonic networks
... 1300 nm, hence totally compatible with optical networking technologies, pave the way towards the realization of interconnected ultrafast networks of photonic spiking neurons with neuro-inspired ...
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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 long- ...
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Structural Analysis of InGaAs Based Vertical Cavity Surface-Emitting Quantum Well Laser
... 1300 nm lasers are based on the InGaAsP or InGaAlAs quantum-well (QW) active material system on an InP ...1300 nm InP-based diode lasers suffer poor lasing performance at high temperature ...
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Bistability conditions between lasing and non-lasing states for vertical-cavity surface-emitting lasers with frequency-selective optical feedback
... 850 nm region) operating in the fundamental transverse mode close to threshold (up to ...external cavity is set up in Littman configuration, ...external cavity is about 31 ...
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Electrically-controlled neuron-like spiking regimes in vertical-cavity surface-emitting lasers at ultrafast rates
... 1307 nm and 1290 nm respectively. In the case of 1307 nm light, stimuli with increasing temporal durations and constant strength were generated optically and converted to the electrical domain before ...
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High frequency continuous birefringence-induced oscillations in spin-polarized vertical-cavity surface-emitting lasers
... of vertical-cavity surface-emitting lasers (VCSELs) contain two dominant frequencies, namely (1) the relaxation os- cillation frequency which is related to the geometric mean of the ...
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Controllable spiking patterns in long-wavelength vertical cavity surface emitting lasers for neuromorphic photonics systems
... 1310 nm offer great promise for all optical digital-to- spiking format signal conversion and photonic spiking information processing modules for use in non-traditional computing and optical ...micro-ring ...
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Circular polarization switching and bistability in an optically injected 1300 nm spin-vertical cavity surface emitting laser
... Spin-polarized vertical cavity surface emitting lasers (spin-VCSELs) have been of great interest in recent years due to their functionality and characteristics [1- ...conventional ...
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Analysis of spatial emission structures in vertical-cavity surface-emitting lasers with feedback from a volume Bragg grating
... between the principal planes, which is not easy to measure. In addition, there is no simple criterion for aligning D 2 just from observing images of the VCSEL output on a CCD camera. Therefore we started with an ...
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Femtosecond synchronously in-well pumped vertical-external-cavity surface-emitting laser
... laser cavity was shortened from +4 µm to 0 µm, the FWHM of the autocorrelation first narrowed from 12 ps to ...Further cavity shortening only resulted in a drop of gain seen by the laser pulse and ...
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Polarization properties in the transition from below to above lasing threshold in broad-area vertical-cavity surface-emitting lasers
... the cavity resonance and the maximum gain frequency, since these shift with distinctly different rates with temperature (typical values are ...0.28 nm/K for the gain peak and 0.075 nm/K for 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
... Spin-polarized vertical-cavity surface-emitting lasers (VCSELs) form an important class of devices in the rapidly growing field of ...these lasers, the polarization of the output ...
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Supermode Si/III–V lasers and circular Bragg lasers
... supermode lasers are designed such that the modal power is localized in the Si waveguide near the ends for output coupling and in the active III–V waveguide in the central portion to obtain maximal ...
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Femtosecond synchronously mode-locked vertical-external cavity surface-emitting laser
... center lasers [11, ...increasing cavity length (shown in ...center lasers, where the separation between pulses increases for increasing cavity mismatch [14, ...dye lasers cannot be ...
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Vertical external cavity semiconductor lasers
... semiconductor lasers seldom use their broad intrinsic gain bandwidth to full advantage in the generation of short ...0.5 nm or ...2 nm below the air interface of the ...
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Operation of an optical in-well-pumped vertical-external-cavity surface-emitting laser
... not change significantly. The laser was coupled into a 100 m fiber with a NA of 0.22. After the focusing system, the spot size on the VECSEL was roughly 110 m in diameter. The length of the external cavity was ...
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Design of a LW-VCSEL Optical Source
... 1,550 nm intra-cavity VCSEL using GaInAsN/AlGaInAs in the active region and AlGaAsSb/AlAsSb in top and bottom DBRs”, Optical and Quantum Electronics, Volume 45, Issue 11, pp 1199-1212, November ...
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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 ...
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Polarization fluctuations in vertical-cavity semiconductor lasers
... Next we have measured the correlation between the po- larization noise in f and x , which, according to Sec. IV and @ 11 # , should be noticeable as a rotation of the elliptical noise cloud on the Poincare´ sphere. For ...
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