broadband mid-infrared generation
Ultra-broadband mid-infrared supercontinuum generation using chalcogenide rib waveguide
... SC generation inside optical fibers has been used to produce broadband spectra that cover the visible and near-infrared regions, silica fibers cannot be used in the MIR region of their high losses in ...
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All-Normal Dispersion Chalcogenide PCF for Ultraflat Mid-Infrared Supercontinuum Generation
... A number of numerical simulations are carried out to design and optimize of our proposed ChG PCF such that the GVD curve can be obtained with ANDi profile which can allow us to generate broadband coherent SC ...
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Generation of an ultrabroadband supercontinuum in the mid-infrared region using dispersion-engineered GeAsSe photonic crystal fiber
... (SC) generation using microstructured fibers has drawn consid- erable attention in last decade owing to its manifold applications which include biomedical imaging, high-resolution spectroscopy, optical coherence ...
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Mid infrared lasing induced by noise
... The observed effects can be accounted for in terms of nonlinear dynamics. The laser can be viewed as a threshold device that starts to generate a periodic signal when the input signal exceeds this threshold, i.e. it is ...
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Design and modeling of dispersion-engineered all-chalcogenide triangular-core fiber for mid-infrared-region supercontinuum generation
... with a low input peak power of 3 kW by one of the proposed TCF design with a side length of 8 µm. Subsequently, the side length of the TCF geometry is reduced gradually to obtain the GVD parameter for pumping the ...
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Mid-infrared supercontinuum generation using dispersion-engineered Ge11.5As24Se64.5 chalcogenide channel waveguide
... of waveguide parameters on the bandwidth of the SC at the output of 1-cm-long waveguide. Our results show that output can vary over a wide range depending on its design and the pump wavelength employed. At the pump ...
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Design of dispersion-engineered As2Se3 channel waveguide for mid-infrared region supercontinuum generation
... On-chip integrated optics devices have recently become famous for broadband SC generation owing to the nature of CMOS compatible devices 11 . As a platform of nonlin- ear optics, integrated circuit ...
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All-Normal-Dispersion Chalcogenide Waveguides for Ultraflat Supercontinuum Generation in the Mid-Infrared Region
... (SC) generation has attracted considerable attention in recent years because of its diverse applications that include biomedical imaging and high-precision measure- ments ...[1]–[3]. Broadband SC is usually ...
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Polarization entangled mid infrared photon generation in p doped semiconductor quantum wells
... It is interesting to explore how ’broadband’ a particular structure can be considered to be, so we next consider the effects of variation of the pump frequency around the value a particular structure is designed / ...
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Chen, Bo-Han (2019): Single-cycle mid-infrared pulse generation via nonlinear optics. Dissertation, LMU München: Fakultät für Physik
... herent mid-infrared pulses at almost any center wavelength could in principle be realized, given certain prerequisites such as phase-matching and ...powerful, broadband, tunable ...
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Ultra-broadband mid-infrared supercontinuum generation through dispersion engineering of chalcogenide microstructured fibers
... the mid-infrared (MIR) wavelength region have attracted much attention be- cause of their potential applications in molecular spectroscopy [1], frequency metrology [2], optical coherence tomography [3], ...
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Mid infrared vibrational study of deuterium containing PAH variants
... Deuterium-containing PAH variants have been studied theoretically in relation to mid-infrared emission bands. This report suggests PAH molecules with deuterium con- tent as potential candidate carriers for ...
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Infrared molecular hydrogen lines in GRB host galaxies
... Near Infrared Spec- trograph (NIRSpec) and Mid Infrared Instrument (MIRI) instruments onboard the James Webb Space Telescope (JWST), covering wavelengths ...
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Broadband suppression of phase-noise with cascaded phase-locked-loops for the generation of frequency ramps
... A cascaded two PLL non-fractional ramp generator is de- scribed that aims at linearising and stabilising extremely noisy oscillators like integrated HEMT-VCOs. The concept is based on the partitioning of the ramp ...
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Imaging diagnostics for transitional discs
... near- infrared, mid-infrared, and sub-mm wavelengths with current and near-future ground-based imaging instruments with the aim of 1) testing whether the proposed models explain observed dif- ...
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Theoretical and numerical investigations of parametric transfer via difference frequency generation for indirect mid infrared pulse shaping
... Parametric transfer fidelity Z top and temporal walk-off δνpi L bottom as a function of the idler carrier wavelength λi using different pump carrier wavelength λp , as indicated by the numb[r] ...
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Simulations of mid infrared emission of InAsN semiconductors
... Abstract: This paper delivers an efficient approximation to the complex many body problem of luminescence in semiconductors to the case of mid infrared luminescence of dilute nitrides. The results are in ...
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Femtosecond optical parametric oscillators for the mid infrared
... harmonic generation, to produce green and blue ...the infrared transpaiency, but the wide variety of laser wavelengths converted in this way are testimony to the versatility of periodic poling in allowing ...
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Investigation of InAsSbP quantum dot mid-infrared sensors
... the mid-infrared(IR) range is attributed to the transmission window of the atmosphere, absorption spectra of some industrial gases, ...state-of-the-art infrared photodetectors, nowadays quan- tum ...
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Mid-infrared Spectroscopy of Trash in Cotton Rotor Dust
... FT-IR can be a qualitative and quantitative analytical tool for organic substances (Kim and Yun, 1986; Morris et al., 1984; Himmelsbach et al., 2002a). In order to evaluate organic substances, an enhanced understanding ...
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