[PDF] Top 20 Photonic crystal Bragg lasers : design, fabrication, and characterization

... Figure 3.6: The vertical confinement factor as a function of the etch depth Figure 3.5 shows the epitaxial wafer index profile and the mode distribution in the vertical direction. The modal profile is a little bit ... See full document

... Chapter 6 Conclusion Controlling the electromagnetic modes in a laser cavity is the key to design- ing high power lasers. Rather than just the total output power from the facet, the more important metric is ... See full document

... Appendix A Flip-chip bonding method for edge coupling For the flip-chip bonding method, a diode laser chip is flip-chip bonded on a silicon substrate. Misalignment during the bonding process can result in extra coupling ... See full document

... 1D Photonic Сrystal, Tunable Photonic Сrystal, Multi-component Photonic Сrystal, Photonic Band Gap, Photonic Gap Map ...on photonic band gap (PBG) effect, namely devices based on ... See full document

... this fabrication methodology to be used in the fabrication of 3D PhC architectures of the sort described in this ...one-step fabrication of high index 3D nanoarchitected structures, more easily ... See full document

... For the first time, the formation of the flat-top regions of transparency, pass- bands, was experimentally demonstrated for the grooved Silicon photonic crystal reflectors using the mu[r] ... See full document

... It has been shown here that, by using a porous core along with the porous cladding of a conventional PCF, the power confinement in the air holes can be significantly increased, which will reduce the effect of material ... See full document

... in the refractive index profile shows that the quantum well alone can serve to confine light. In such a device however, a difficulty arises in separately engineering the carrier and light confinement. In other words, ... See full document

... x y , e e n  n as a consequence of the effective index of the quasi- TM mode is higher than that of the quasi-TE mode as shown in Fig. 12. It can be clearly observed that as the diameter of d 2 is decreased, effective ... See full document

... of photonic crystals and their optical ...sample fabrication and ...tical characterization of photonic crystal structures allowed us to verify the theoretical results presented in this ... See full document

... to design efficient Er 3+ -doped polymer waveguides for engineering lossless splitters, which can then potentially open the opportunity for engineering seamless and complex photon carrier circuits for the ... See full document

... 3 recent theoretical study suggested that the thermal conductivity can be increased at low temperatures via fine-tuning of PnC dimensions and nanopatternings [24,25]. Tuning the phonon dispersion in the PnC structures ... See full document

... Cavity lasers are in general attractive as they allow the independent design, fabrication and optimization of the passive and the active parts, and make cost-effective use of the III-V ...Silicon ... See full document

... a photonic crystal nanocavity with an ultra-high Q and small mode volume has been achieved even cavity modes do not locate within the gap or even no bandgap at ...cascade lasers, in which a lack of ... See full document

... Distributed Bragg reflectors are critical components in vertical cavity surface emitting lasers(VCSEL's) and other types of narrow-line width laser diodes[10,11] such as distributed feedback (DFB) ... See full document

... 3 Centre for Advanced Photonics and Process Analysis, Cork Institute of Technology, Cork, Ireland [email protected] ABSTRACT Energy efficient Wavelength Division Multiplexing (WDM) is the key to satisfying the ... See full document

... periodic photonic crystals and those of a random arrangement of ...resonators, photonic quasi-crystals open up design possibilities that are simply not possible in a conventional periodic ... See full document

... periodic photonic crystals and those of a random arrangement of ...resonators, photonic quasi-crystals open up design possibilities that are simply not possible in a conventional periodic ... See full document

... Profilometer The next characterization tool was the DEKDAK 150 profilometer [36] whos main uses are for the quantification of the surface roughness of a sample. The process in which the surface roughness is ... See full document

... The photonic band structure for a silicon slab in air, with relative permittivities as in previous sections, is plotted in figure 2.17. The holes have a relative radius of r/a = 0.25 and the relative thickness of ... See full document