External cavity diode lasers
External cavity diode lasers and non linear optical frequency conversion in spectroscopic applications
... violet diode laser ...of diode lasers used in the experimental applications were ...GaN diode laser was presented showing that the behaviour of this devices followed typical diode laser ...
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DEVELOPMENT, IMPLEMENTATION AND EVALUATION OF NARROW LINEWIDTH EXTERNAL CAVITY DIODE LASERS FOR USE IN RAMAN GENERATION EXPERIMENTS
... As a final note on the interference filter aspect of the laser, the bandwidth and transmissivity at the selected wavelength are not easily obtained. It proved difficult to source an interference filter with both high ...
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Argon ion laser-induced fluorescence with diode lasers
... 11 Diode laser systems simply plug into the wall in any random laboratory room, and are air or thermoelectrically ...of diode laser systems cannot compare with dye laser ...of diode lasers ...
6
Introduction to Diode Lasers
... the external cavity is close to the peak of the gain profile of the laser (this emphasizes the value in setting the temperature such that the free running laser wavelength is close to the desired ...
6
Ultrashort pulse generation from quantum dot semiconductor diode lasers
... Moreover, this study provides some useful indications on the feasibility of engaging simultaneously GS and ES in a truly dual-wavelength mode locking. A key requirement would have to be the synchronicity of the pulses, ...
141
Cavity-Enhanced Raman Spectroscopy of Natural Gas with Optical Feedback cw-Diode Lasers
... xed cavity mode; in each cycle, the wavelength changes until it is locked to a longitudinal mode of the cavity by optical feed ...the cavity and power builds up to a resonance; on the basis of the fi ...
7
Dynamics of of single- and multicontact external cavity semiconductor lasers under intracavity frequency sweeping: effects of material and laser parameters.
... We have used a time domain travelling wave model to simulate the dynamics of a relatively short (a few cm) extended Fabry–Perot cavity laser diode under fast intra- cavity frequency sweeping. The ...
11
Vertical external cavity semiconductor lasers
... The Garnache design was implemented in an MBE-grown InGaAs/GaAs VECSEL, which exhibited the power output characteristics shown in figure 3. Unlike the Kuznetsov device, this laser used no post-growth processing of any ...
11
Mode referencing of an external cavity diode laser for continuous frequency stabilization
... a diode laser to a reference frequency is of great importance for many appli- cations including optical telecommunications, injection locking of high-power lasers, and spectroscopic based ...the ...
5
Vector cavity solitons in broad area Vertical-Cavity Surface-Emitting lasers
... an external cavity diode laser in Littrow configuration (Sacher Lasertechnik TEC100-960-60), isolated from the rest of the setup by an optical ...
7
Intra-cavity spectroscopy using amplified spontaneous emission in fiber lasers
... the cavity is lasing, the inversion level is deter- mined by the external cavity loss since steady-state laser oscil- lation implies that gain and loss are (almost) equally balanced (net round-trip ...
7
Modelling the Cavity of Continuous Chemical Lasers (CCLs) Using Matlab Applications
... lem. Cavity parameter variation: Thus, we simulated the work of a continuous chemical laser with simultaneous lasing on the V; , j (j = 14 - 13) and (j = 17 - 16) ...simulation cavity: Equations (7), (8) ...
5
Vertical-Cavity Surface-Emitting Lasers for Ultra-High Speed Photonics
... transverse‐coupled‐ cavity (TCC) for a larger enhancement of the modulation bandwidth used in ultra‐high‐ speed ...feedback cavity shows a stable CW operation without noticeable change in either RIN or ...
10
Coupled-cavity terahertz quantum cascade lasers for single mode operation
... is 160 GHz, i.e., almost double compared to Fig. 3(a), pre- venting bi-mode oscillation. From Fig. 5(b), the achieved SMR is between 30 and 40 dB regardless of the operating current. This is comparable to the best ...
6
Physical insight into the polarization dynamics of semiconductor vertical-cavity lasers
... The polarization of semiconductor vertical-cavity surface- emitting lasers ~ VCSELs ! is an interesting subject to study. The cylindrical symmetry of most designs and the isotropic gain of the cubic ...
11
Vertical cavity surface emitting lasers: Design, characterisation and integration
... the cavity photon lifetime and carrier recombination lifetime ...large cavity (e,g, 100x100x100pm) are on the order of a few ...the cavity dimensions are reduced, in one dimension, to 1pm, ...
211
Double clad structure and proximity coupling for diode bar pumped planar waveguide lasers
... by diode bars ...fiber-lens-collimated diode pump ...non-diffraction-limited diode output, and to the high Fresnel number of the mono- lithic cavity in the nonguided ...demonstrate ...
7
Characterization of Vertical Cavity Surface Emitting Lasers With Electrical and Optical Derivative Spectroscopy
... the diode, the one on the left is a hermetically packaged diode with a can, and the one on the right is a diode mounted on a header without a ...
82
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- and medium-haul ...
20
An experimental comparison of nonlinear and parabolic tapered waveguide lasers and a demonstration of broad stripe diode pumping
... of diode-pumped integrated- optics laser sources requires the use of multimode waveg- uides to enable pumping by nondiffraction-limited high-power diode ...
5