[PDF] Top 20 Operation of an optical in-well-pumped vertical-external-cavity surface-emitting laser

... Ti:sapphire laser was again used as the pump source. The laser beam was focused onto the sample to give a spot size of roughly 500 ␮ m in ...front surface of the ...the cavity axis can be ... See full document

... Optically pumped vertical-external cavity surface-emitting lasers (VECSEL) [1] combine the advantages of multiple quantum well semiconductor lasers with optical ... See full document

... 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 ... See full document

... the optical fiber is widely used to transmit signals, which is more suitable for future high rate transmission ...of optical fiber communication transmission ...the laser is an important factor to be ... See full document

... electrically pumped VCSELs showed that the spin-polarized carriers generated by the pulsed circularly polarized optical excitation are able to determine the polarization of the VCSEL emission at room ... See full document

... high‐speed operation, have low power consumption, and can be fabricated into arrays ...networks, optical data ...semiconductor laser to external OFB is an efficient technique to enhance ... See full document

... 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 ... See full document

... dual-mode optical device selectively operative in signal generation and amplification modes is disclosed ...During operation in the amplification mode, light is input through the front facet and is ... See full document

... current optical networks ...passive optical network (PON) has been extensively recognized as a striking way out of access network to convene the bandwidth requirement as well as offer multi-service ... See full document

... Vertical-external-cavity surface-emitting lasers (VECSELs) have been demonstrated to produce high continuous wave (CW) average output powers with excellent beam quality ...optically ... See full document

... semiconductor laser diodes (SLDs) are extremely sensitive to external optical feedback (OFB), which arises in practical applications due to back reflections depending on the feedback level ... See full document

... as well as high degrees of circular polarization are achieved when the spin-VCSEL is subject to either LCP or RCP optical ...of optical injection at a constant wavelength of ...was pumped up ... See full document

... Time-delayed model We consider last an alternative, and so far hypothetic, case of the central chip being the SESAM, with the gain chip and the mirror m terminating the cavity, which is [r] ... See full document

... the laser does not stay on the high-amplitude state but there are irregular switching-events between a low-amplitude and a high-amplitude ...solitary laser low- amplitude state and vice ...the laser ... See full document

... Among the many benefits of VCSEL compared to over edge-emitting diodes, VCSELs are cheaper to man- ufacture in quantity, they are easier to test, and they are more efficient. Moreover, the VCSELs require less ... See full document

... Homogeneous steady states (HSSs) of eqs 1–4 as a function of optical injection power E I is plotted in Fig. 5, in the bistable regime. Linear stability analysis of HSSs shows that there exists a symetry breaking ... See full document

... in different thresholds for the two polarization modes and in different amplitudes of the linearly polarized fields at constant current [64]. Hence, the drop is a direct consequence of the fact that the mode with the ... See full document

... Fig 2 shows the threshold current density with active region thickness for different transparency concentration. This concentration is required to obtain transparency current density, which effectively increase threshold ... See full document

... For large initial detuning (low temperatures in the experiment), high-order solitons (vortex solitons in the 2D experiment, closely packed multi-humped structures in the 1D simulations) can appear as the first structure ... See full document

... polarized optical signal at 1300 nm can gradually or abruptly switch the polarization ellipticity of the spin-VCSEL from right-to-left circular polarization and vice ... See full document