Waveguide lasers
Dielectric solid state planar waveguide lasers: a review
... for lasers without quantum yield enhancement through excited-state energy transfer processes, requires κ = 19, that is the optimum output coupling needs to be this many times larger than the cavity ...planar ...
13
Modelling of high power continuous wave Tm:YAG side pumped double clad waveguide lasers
... He was with Columbia University until 1986, in various positions such as a Post-Doctoral Researcher in the Physics Department, a Research Scientist in the Electrical Engineering and Applied Science Depart- ment, and an ...
9
Yb:tungstate waveguide lasers
... LPE has been shown to be an excellent technique for fabricating low-loss planar waveguides, which can give CW performance on par with bulk lasers, but with the added advantages of low thresholds and compact ...
181
Ultrafast high repetition rate waveguide lasers
... Semiconductor lasers, in either edge-emitting [6] or surface-emitting [7] formats, mode- locked fiber lasers [8], micro-ring resonators [9], and carefully engineered bulk laser systems [10] can all offer ...
10
Double clad structure and proximity coupling for diode bar pumped planar waveguide lasers
... Nd:YAG/sapphire waveguide when pumped with a 20-W diode ...diode-bar-pumped waveguide lasers that are diffraction-limited in the guided plane by the use of a double-clad, multilayer, planar ...
7
Low phonon energy Nd:LaF3 channel waveguide lasers fabricated by molecular beam epitaxy
... a roughly circular pump beam profile, as shown in Fig. 9, and then using a cylindrical-lens telescope before the launch objec- tive to produce an asymmetric beam focus better matched to the expected mode profile of the ...
9
CW and passively Q switched double clad planar waveguide lasers
... Thin planar geometry ideal for thermal management Ideal for quasi-three level systems: Nd3+,Yb3+,Tm3+,Er3+ Proximity coupling ⇒ simple and robust ¾ No coupling optics ¾ Compatible with c[r] ...
36
An experimental comparison of nonlinear and parabolic tapered waveguide lasers and a demonstration of broad stripe diode pumping
... tapered waveguide of maximum width 175 m, taper length ...broad-stripe waveguide of length 18 mm was also fabricated in a separate Nd-doped glass ...broad-stripe waveguide and ...tapered ...
5
A further look at waveguide lasers
... thin waveguide of length and cross-sectional area , which is turned into a (effectively) one-dimensional (1-D) optical cavity by depositing dielectric multilayer mirrors on its extremities, reaching reflectivities ...
6
Tapered waveguide lasers
... the waveguide, and there- fore the refractive index profile, was measured using SIMS analysis iden- tical to that discussed in section ...planar waveguide and 175µm wide broad channel waveguides ...FAIE ...
224
Nd:Ta2O5 rib waveguide lasers
... slab waveguide regions of thickness ...large waveguide design was chosen to ease end-fire coupling of the pump, reduce the effects of edge rounding and divergence of the lasing mode at the end facets and ...
12
High average power planar waveguide lasers
... diode lasers are attractive for many reasons, primarily based on increased system efficiency, narrower spectral emission, longer lifetime, reliability, and highly improved output beam quality ...diode ...
173
Investigation and Application of Microscale Semiconductor Lasers and Cavities
... material we developed the PC lithography including beam writing and etching. The brunt of the collaboration moved from Harvard to the group of Professor R. Colombelli at the Universite de Paris-Sud 11 (Orsay, France). ...
156
Design of linear and star shaped macromolecular organic semiconductors for photonic applications
... applications can be achieved from di ff erent types of semiconductor structures, namely, monodisperse star-shaped molecules, complex linear macromolecules, and conjugated polymers. The most appropriate material for any ...
10
Lasers
... CO2 lasers, solid gain media are present in lasers such as the Ti:sapphire laser, and lasers such as dye lasers with broad wavelength spectra use liquid gain media [7, ...
32
Self-Repairing Polymer Optical Fiber Strain Sensor.
... polymer waveguide, is due to the fact that the waveguide is still attached to the input optical fiber and detracts the lightwaves away from the core of the output optical ...self-writing waveguide ...
108
Stop Band Continuous Profile Filter in Empty Substrate Integrated Coaxial Line
... integrated waveguide ESIW Empty substrate integrated waveguide MSIW Modified substrate integrated waveguide AFSIW Air filled substrate integrated waveguide HSIW Hollow substrate integrated ...
12
Multicore rare earth doped fibres; application to amplifiers, filters and lasers
... 2.2 In-line polarisation insensitive phase conjugators Dual polarisation DFB lasers have been used for the first time as in-line pumps for polarisation insensitive optical phase conjugators. A schematic of the ...
7
Optimization of MBE Growth Conditions of In 0.52 Al 0.48 As Waveguide Layers for InGaAs/InAlAs/InP Quantum Cascade Lasers
... The waveguide from the bottom side was formed by a low doped InP substrate and from the top by ...InAlAs waveguide material growth optimization was performed on dedicated test samples grown directly on InP ...
16
Fibre compatible modelocked lasers at 1 5μm
... iconductor lasers^^^. Thus semiconductor pump lasers having CW output powers up to IW are readily available and can thus be directly used for the excitation of erbium-doped fibre ...single-stripe ...
214