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all-optical tunable filters

A New Approach to Design Digitally Tunable Optical Filter System for DWDM Optical Networks

A New Approach to Design Digitally Tunable Optical Filter System for DWDM Optical Networks

... digitally tunable optical filter system based on thin film filters and SOAs for application in DWDM optical networks was ...carried all the advantages of the design reported in ...

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Evaluation of Pixel-scale Tunable Fabry-Perot Filters for Optical Imaging

Evaluation of Pixel-scale Tunable Fabry-Perot Filters for Optical Imaging

... Fabry-Perot filters, we es- tablished a data acquisition procedure for our automated test ...performed all optical measurements over the 400-700 nm range to maintain parity with the simulation ...

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Active Optical Lattice Filters

Active Optical Lattice Filters

... these optical lattice filters we pro- pose to add gains to each ...our filters active instead of passive. Suppose we are given a target all-pole transfer function for transmission whose order ...

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Multi-Wavelengths Optical Switching and Tunable Filters Using Dynamic Superimposed Photorefractive Bragg Grating

Multi-Wavelengths Optical Switching and Tunable Filters Using Dynamic Superimposed Photorefractive Bragg Grating

... If optical signals could be switched without conversion to electrical form, both of these drawbacks would be ...of optical switching. Some of the most popular applications of optical switches consist ...

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Polarization-Insensitive Tunable Optical Filters based on Liquid Crystal Polarization Gratings.

Polarization-Insensitive Tunable Optical Filters based on Liquid Crystal Polarization Gratings.

... 2(a). All polarization management optics required in conventional LC VOAs are removed, thereby allowing for lower cost, more compact packaging, higher reliability and higher ...

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Tunable optical filters with wide wavelength range based on porous multilayers

Tunable optical filters with wide wavelength range based on porous multilayers

... led all the experimental and simulation activities and supervised the master thesis work of ...the optical system for the miniaturized concept, and made the final formatting and proof-reading of the ...

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Bragg grating filters for optical networks

Bragg grating filters for optical networks

... continuously tunable fibre Bragg grating is demonstrated in Chapter 4, which was able to achieve over 110 nm tuning ...an all-optical time-division multiplexed (TDM) to wavelength- division ...

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Study on Insertion Loss of Fiber Fabry Perot Filters

Study on Insertion Loss of Fiber Fabry Perot Filters

... Fabry-Perot filters (FFP-TFs) are widely used in optical fiber communications and optical sensing systems, since they have advantages of low loss, high tuning speed, wide tuning range, high finesse, ...

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All optical reconfiguration of optomechanical filters

All optical reconfiguration of optomechanical filters

... an all-optical tunable filter using coupled photonic crystal nanobeam cavities, where a considerable portion of the tuning is affected by mechanical ...increased optical power needed to ...

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A Novel Optical Vector Spectral Analysis Technique Employing a Limited-Bandwidth Detector

A Novel Optical Vector Spectral Analysis Technique Employing a Limited-Bandwidth Detector

... are all present at the detector. While a tunable narrow- band filter solves the amplitude discrimination problem, de- termining the relative phase is more ...narrowband optical filters, ring ...

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All-optical polariton transistor

All-optical polariton transistor

... an all-optical transistor which is based on the propagation of polariton fluids the chip ...place all inside the microcavity, allowing for multiple interconnections to occur in the plane of the ...

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Algorithms for designing filters for optical pattern recognition

Algorithms for designing filters for optical pattern recognition

... between all of the train in g p attern s is evident in figure 8.3, because all of th e auto- and cross-inner products are of alm ost equal m ...are all norm alised, and we used th e first example of ...

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Self assembled Photonic Crystals with Tunable Optical Properties

Self assembled Photonic Crystals with Tunable Optical Properties

... suspension in a cuvette with a clean glass substrate is placed in it and the whole assembly is kept in a temperature controlled oven for the growth of crystals. The temperature is tuned according to the sphere diameter ...

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Silicon photonic filters with high rejection of both TE and TM modes for on-chip four wave mixing applications

Silicon photonic filters with high rejection of both TE and TM modes for on-chip four wave mixing applications

... high quality factors and extinction values ≈ 45-50 dB [21–25]. High extinction values (≈ 100 dB) have been reached in a few cases, using a grating filter coupled with two ring resonators [19] or using two 5 th order CROW ...

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Optical Hardware Tradeoffs for All Optical Multicast

Optical Hardware Tradeoffs for All Optical Multicast

... of optical fiber is important in determining the dispersion-limited distance that a signal can travel without ...current optical systems operate in the ...the All Optical Multicast System ...

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Coupled Plasmonic Systems and Devices: Applications in Visible Metamaterials, Nanophotonic Circuits, and CMOS Imaging

Coupled Plasmonic Systems and Devices: Applications in Visible Metamaterials, Nanophotonic Circuits, and CMOS Imaging

... with an efficiency of 10%, consistent with FDTD calculations. By proper control of mode polarization in the silicon-on-insulator waveguide [15], we demonstrate that parasitic excitation of surface plasmon polaritons ...

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ESTIMATION OF MEASUREMENT UNCERTAINTY WITH THE USE OF UNCERTAINTY DATABASE CALCULATED FOR OPTICAL COORDINATE MEASUREMENTS OF BASIC GEOMETRY ELEMENTS

ESTIMATION OF MEASUREMENT UNCERTAINTY WITH THE USE OF UNCERTAINTY DATABASE CALCULATED FOR OPTICAL COORDINATE MEASUREMENTS OF BASIC GEOMETRY ELEMENTS

... results, all methods for determining of measurement uncertainty presented in chapter 2 (Multi-position, comparative and developed in the LCM CUT method dedicated for non-contact mea- surement – OPTI-U) were used ...

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Tunable Lowpass Filters Using Folded Slots Etched in the Ground Plane

Tunable Lowpass Filters Using Folded Slots Etched in the Ground Plane

... LOWPASS FILTERS Since single folded slot resonator presents both the cutoff (lowpass) and the resonance (bandstop) characteristic, microstrip lowpass filter can realized by cascading a specified number of such slot ...

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Control of emitted light polarization in a 1310 nm dilute nitride spin-vertical cavity surface emitting laser subject to circularly polarized optical injection

Control of emitted light polarization in a 1310 nm dilute nitride spin-vertical cavity surface emitting laser subject to circularly polarized optical injection

... of optical injection on the ellipticity (ε) of the spin-VCSEL’s emission (defined as in ...the optical pump was directed to a power meter using a 90/10 coupler to monitor the CW pumping ...interchangeable ...

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Frequency-Tunable Bandpass Filters with Constant Absolute Bandwidth and Improved Linearity

Frequency-Tunable Bandpass Filters with Constant Absolute Bandwidth and Improved Linearity

... Tunable filters have been investigated for applications in multifunc- tional multiband RF and microwave ...fixed filters, a well-designed tunable filter promises greater perfor- ...the ...

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