Results 201 to 210 of about 13,528 (266)

Scalable quantum photonic platform based on site-controlled quantum dots coupled to circular Bragg grating resonators. [PDF]

Light Sci Appl
Gaur K, Barua A, Tripathi S, Roche LJ, Wilksen S, Steinhoff A, Baraz S, Nitin N, Palekar CC, Koulas-Simos A, Limame I, Mudi P, Rodt S, Gies C, Reitzenstein S.   +14 more
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Coherent light emission and electrical tuning of WS2-WSe2 interlayer excitons

Novotny L, Shan S, Moilanen A, Ziegler J, Lin Q, Xue G, Łempicka-Mirek K, Callegari D, Taniguchi T, Watanabe K, Moselund K, Liu K, Iadanza S.   +12 more
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Silicon Integrated Waveguide Devices for Filtering and Wavelength Demultiplexing

Optical Fiber Communication Conference, 2010
Following different approaches, we have realized a number of different silicon integrated demultiplexers for WDM-based on-chip optical interconnects. We compare these devices based on their size, transmission loss, pass-band shape and tolerance against process variations.
exaly   +2 more sources

Novel Wavelength Filter Devices in SOI for Sensing Applications

13th International Conference on Fiber Optics and Photonics, 2016
Bijoy Krishna Das
exaly   +2 more sources

Wavelength selectivity of in-line fiber-optic filter devices

Applied Optics, 1998
We present an analysis of the performance characteristics of in-line fiber-optic bandpass and band-stop wavelength filters. A planar waveguide model was used for numerical simulations of the device performance. It was recently reported that the band-stop and the bandpass characteristics of a filter device depend on the depth of polishing of a single ...
M P, Singh, A, Sharma
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Filter switching device for dual-wavelength videoimaging

Journal of Fluorescence, 1996
An inexpensive, dual-wavelength, videoimaging system that can be used for parallel observation of two fluorescent dyes is described. All four filters, two for excitation and two for emission, are placed on the same oscillating holder. Filters are coupled with a single dichroic mirror having two spectral windows.
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A multipurpose WDM holographic device for filtering, wavelength multiplexing and routing applications

Photonic Network Communications, 2006
This work describes the theory, design, and experimental results of a generic multipurpose device that can operate as a tunable wavelength filter, wavelength multiplexer and wavelength router. This device could be especially useful in optical networks applications based in both Coarse and Dense Wavelength Division Multiplexing technology (CWDM/DWDM ...
Alfredo Martín Minguez, Paloma R. Horche   +1 more
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Light filtering devices using background wavelength processing techniques

MRS Proceedings, 2012
ABSTRACTThis paper reports on light filtering devices based on a-SiC:H tandem pi´n/pin heterostructures. The spectral sensitivity is analyzed. Steady state optical bias with different wavelengths, are applied from each front and back sides and the photocurrent is measured. Results show that it is possible to control the sensitivity of the device and to
M. A. Vieira, M. Vieira, P. Louro, V. Silva, A. S. Garção   +4 more
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Multi-wavelength filters in silicon using superposition sidewall Bragg grating devices

Optics Letters, 2014
Multiple-filter stopbands, with the potential to be nonuniformly spaced in frequency, are realized in a single integrated Bragg grating device on silicon. By utilizing a superposition of sidewall relief grating functions, N individual filter responses can be fabricated with a device length N× shorter than the equivalent serial set of gratings ...
Strain, Michael John, Thoms, Stephen, Macintyre, Douglas S., Sorel, Marc   +3 more
openaire   +5 more sources

A widely tunable dual-wavelength based on a microring resonator filter device

Laser Physics, 2018
Abstract We demonstrate a stable, tunable dual-wavelength (DW) generated by launching an in-house built supercontinuum (SC) into an add-drop microring resonator (MRR). The MRR is fabricated from a silicon–nitrogen–oxygen substrate. The frequency comb of the filtered SC is obtained with an experimental free spectral range (FSR) from 0 ...
Amiri, Iraj Sadegh, Ariannejad, Mohammad Mahdi, Tiu, Zian Cheak, Ooi, Shok Ing, Aidit, Siti Nabila, Alizadeh, Farideh, Yupapin, Preecha Promphan   +6 more
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