semiconductor microcavity
Circularly polarized lasing in chiral modulated semiconductor microcavity with GaAs quantum wells
... a semiconductor microcavity (MC) with embedded light-emitting achiral InAs quantum dots (QD) allows to achieve light emis- sion with a high degree of circular polarization (DCP), without applying magnetic ...
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All optical sampling based on two photon absorption in a semiconductor microcavity for high speed OTDM
... designed semiconductor microcavity. By incorporating the microcavity design, we are able to enhance the TPA efficiency to a level that can be used for high-speed optical ...
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Excitation induced coherence in a semiconductor microcavity
... gap semiconductor systems the lowest energy states are excitons and their coherence can be probed through optical experiments such as degenerate four-wave mixing 共 FWM 兲 ...
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Chromatic dispersion monitoring for high speed WDM systems using two photon absorption in a semiconductor microcavity
... TPA-based microcavity for CD monitoring in a high- speed, multi-wavelength optical communications system is pre- ...a microcavity structure within the detector is that the signal is only enhanced over a ...
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Room temperature strong coupling in a semiconductor microcavity with embedded AlGaAs quantum wells designed for polariton lasing
... between microcavity photons and quantum well (QW) excitons leads to the generation of new quasi-particles with a hybrid light-matter character named exciton-polaritons ...based semiconductor ...
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Dynamics of spatial coherence and momentum distribution of polaritons in a semiconductor microcavity under conditions of Bose Einstein condensation
... ded in the microcavity were 12 GaAs/AlAs 7nmwide QWs. The Rabi splitting and the Q factor of the struc ture were 4.5 meV and about 7000, respectively. The detuning between the photon and exciton modes was about –6 ...
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Optical signal processing via two photon absorption in a semiconductor microcavity for the next generation of high speed optical communications network
... mode-locked laser (TMLL) 1550 pulse source (pulse duration 2 ps, jitter < 500 fs, tunable wavelength range 1480–1580 nm). The average optical output power was 0.5 mW, which was then optical amplified using a low-noise ...
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InGaAsP InP semiconductor microcavity geometries for annular Bragg reflection, optical switching, and sensing
... many semiconductor materials, such as the AlGaAs-GaAs and InGaAsP-InP III-V systems, naturally permits the reduction of bend losses for small-radius microcavities particularly when low-index cladding materials are ...
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Multi wave coherent control of a solid state single emitter
... low-Q semiconductor microcavity, we improved the retrieval sensitivity of coherent re- sponses from individual emitters, enabling wave mix- ing spectroscopy of individual excitons in strongly- confined InAs ...
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Nonequilibrium BKT transition in microcavity polaritons
... Polaritons are coherent superpositions of excitons and photons in a semiconductor microcavity [9]. They have a finite lifetime, so their steady-state is intrinsically non-equilibrium: continuous ...
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Finite momentum condensation in a pumped microcavity
... 共 Received 7 December 2009; revised manuscript received 5 July 2010; published 28 July 2010 兲 We calculate the absorption spectra of a semiconductor microcavity into which a nonequilibrium exciton ...
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Tuning a microcavity-coupled terahertz laser
... the microcavity modes, because in the case of an infin- itely periodic structure, this mode is not radiative and conse- quently cannot couple to the external ...
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Fibre compatible modelocked lasers at 1 5μm
... The study of continuous-wave rare-earth doped fibre lasers (see chapter 8) has shown that highly efficient laser oscillation can be achieved for a number of different active dopants. The main emphasis was on the ...
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Strong coupling in a microcavity containing β carotene
... Fig. 2. Part (a) shows a 3D map of the optical transmission through the microcavity as a function of cavity length and wavelength. Here, high transmission is indicated using yellow, with low transmission using ...
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Effects of Microcavity Local Resonators on the Bandgap Characteristics of a Two-Dimensional Phononic Crystal Structure
... square lattice of steel cylinders arranged in air and found that the bandgaps could be tunable with various microstructures. In another study Liu., et al, introduced narrow-slit structures into a two-dimensional phononic ...
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Modeling, Simulation and Fabrication of 100 nm (Leff) High Performance CMOS Transistors
... Ion implantation is one of the key methods to dope the semiconductor with desired impurities. It is one of the critical step since modern MOSFET technologies have very shallow junctions, tilted implants and high ...
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Development of deep submicron CMOS process for fabrication of high performance 0.25 nm transistors
... the Semiconductor & Microsystems Fabrication Laboratory at RIT is thanked for their technical expertise and assistance in keeping all of the tools used for this work up and ...
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Microfiber microcavity system for efficient single photon collection
... emitters. Semiconductor quantum dots (QDs) have drawn considerable interest as solid-state quantum emitters owing to their high quantum efficiency and optical ...the semiconductor material due to total ...
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Strong Exciton-Photon Coupling in a Nanographene Filled Microcavity
... There is significant growing interest in the development of new materials for polariton conden- sation; polaritons are quasi-particles that are formed in optical cavities when an optically active material reversibly ...
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Quantum condensation from a tailored exciton population in a microcavity
... In common with previous experiments on polariton con- densation, polariton lasing, and the OPO, our proposal in- volves excitation of a microcavity with a laser. This has ap- parently created controversy for the ...
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