Optics Express, ISSN 1094-4087, 12/2017, Volume 25, Issue 26, pp. 33305 - 33314
We demonstrate a tunable temporal photonic fractional-order differentiator based on a Mach-Zenhder interferometer (MZI) coupled microring. An MZI structure is...
SEMICONDUCTOR OPTICAL AMPLIFIER | COMPACT | TEMPORAL DIFFERENTIATOR | GENERATION | OPTICS | ZEHNDER INTERFEROMETER | BANDWIDTH | MODULATION
SEMICONDUCTOR OPTICAL AMPLIFIER | COMPACT | TEMPORAL DIFFERENTIATOR | GENERATION | OPTICS | ZEHNDER INTERFEROMETER | BANDWIDTH | MODULATION
Journal Article
Optical and Quantum Electronics, ISSN 0306-8919, 12/2019, Volume 51, Issue 12, pp. 1 - 15
We propose a feasible temporal filtering (or spectrum weighting) system to implement optical differentiation with arbitrarily-tunable order. Differentiation...
Optical differentiators | Optics, Lasers, Photonics, Optical Devices | Characterization and Evaluation of Materials | Temporal filtering | Ultrafast optics | Computer Communication Networks | Optical signal processing | Physics | Electrical Engineering
Optical differentiators | Optics, Lasers, Photonics, Optical Devices | Characterization and Evaluation of Materials | Temporal filtering | Ultrafast optics | Computer Communication Networks | Optical signal processing | Physics | Electrical Engineering
Journal Article
Optics Express, ISSN 1094-4087, 09/2017, Volume 25, Issue 19, pp. 22328 - 22340
We propose a simple planar optical differentiator consisting of two grooves on the surface of a slab waveguide. The studied differentiator operates in...
BRAGG GRATINGS | SIGNALS | DIFFRACTION | TEMPORAL DIFFERENTIATION | METAMATERIALS | OPTICS | SPATIAL DIFFERENTIATION
BRAGG GRATINGS | SIGNALS | DIFFRACTION | TEMPORAL DIFFERENTIATION | METAMATERIALS | OPTICS | SPATIAL DIFFERENTIATION
Journal Article
Optics Letters, ISSN 0146-9592, 03/2013, Volume 38, Issue 5, pp. 628 - 630
We propose and experimentally demonstrate a high-order photonic differentiator using on-chip complementary metal oxide semiconductor-compatible cascaded...
TEMPORAL DIFFERENTIATOR | FREQUENCY-DISCRIMINATOR | OPTICS
TEMPORAL DIFFERENTIATOR | FREQUENCY-DISCRIMINATOR | OPTICS
Journal Article
Optics Letters, ISSN 0146-9592, 2014, Volume 39, Issue 21, pp. 6355 - 6358
A tunable temporal photonic fractional differentiator using a silicon-on-isolator (SOI) electrically tuned microring resonator (MRR) is proposed and...
COUPLERS | TEMPORAL DIFFERENTIATOR | PHASE | OPTICS
COUPLERS | TEMPORAL DIFFERENTIATOR | PHASE | OPTICS
Journal Article
OPTICS LETTERS, ISSN 0146-9592, 04/2017, Volume 42, Issue 8, pp. 1596 - 1599
A photonic differentiator (DIFF) plays a crucial role in photonic circuits. Despite the fact that a DIFF having a tera-hertz bandwidth has been reported, the...
COUPLER | CRYSTAL WAVE-GUIDES | TEMPORAL DIFFERENTIATOR | GENERATION | OPTICS | ELECTROOPTIC MODULATOR | EFFICIENCY | Mach-Zehnder interferometers | Platforms | Differentiators | Circuits | Photonic crystals | Bandwidth | Silicon | Photonics
COUPLER | CRYSTAL WAVE-GUIDES | TEMPORAL DIFFERENTIATOR | GENERATION | OPTICS | ELECTROOPTIC MODULATOR | EFFICIENCY | Mach-Zehnder interferometers | Platforms | Differentiators | Circuits | Photonic crystals | Bandwidth | Silicon | Photonics
Journal Article
Journal of Lightwave Technology, ISSN 0733-8724, 01/2015, Volume 33, Issue 2, pp. 361 - 367
A multichannel fractional-order temporal differentiator with independently tunable differentiation order based on an integrated silicon-photonic symmetric...
Optical fibers | Optical polarization | Optical device fabrication | Optical resonators | micro-ring resonators | Analog optical signal processing | microwave photonics | Optical pumping | silicon photonics | temporal differentiator | COMPACT | SIGNALS | WAVE-GUIDE | OPTICS | TELECOMMUNICATIONS | ENGINEERING, ELECTRICAL & ELECTRONIC
Optical fibers | Optical polarization | Optical device fabrication | Optical resonators | micro-ring resonators | Analog optical signal processing | microwave photonics | Optical pumping | silicon photonics | temporal differentiator | COMPACT | SIGNALS | WAVE-GUIDE | OPTICS | TELECOMMUNICATIONS | ENGINEERING, ELECTRICAL & ELECTRONIC
Journal Article
IEEE Photonics Technology Letters, ISSN 1041-1135, 02/2011, Volume 23, Issue 4, pp. 251 - 253
A tunable temporal photonic fractional differentiator implemented based on a tilted fiber Bragg grating is proposed and demonstrated. The phase response at a...
Optical fibers | Optical filters | tilted fiber Bragg grating (TFBG) | Polarization | Optical polarization | tunable photonic fractional differentiator | Ultrafast optics | Optical amplifiers | Photonics | PHYSICS, APPLIED | SIGNALS | GENERATION | OPTICS | ENGINEERING, ELECTRICAL & ELECTRONIC | Bragg gratings | Conferences | Differentiators | Temporal logic | Fiber optics | Fibers
Optical fibers | Optical filters | tilted fiber Bragg grating (TFBG) | Polarization | Optical polarization | tunable photonic fractional differentiator | Ultrafast optics | Optical amplifiers | Photonics | PHYSICS, APPLIED | SIGNALS | GENERATION | OPTICS | ENGINEERING, ELECTRICAL & ELECTRONIC | Bragg gratings | Conferences | Differentiators | Temporal logic | Fiber optics | Fibers
Journal Article
Optics Express, ISSN 1094-4087, 07/2015, Volume 23, Issue 15, pp. 18925 - 18936
We theoretically investigate the operation bandwidth limitation of the photonic differentiator including the upper limitation, which is restrained by the...
FIBERS | COMPACT | AMPLIFIER | OPTICAL TEMPORAL DIFFERENTIATOR | BRAGG GRATINGS | GENERATION | OPTICS | CRYSTAL NANOCAVITY
FIBERS | COMPACT | AMPLIFIER | OPTICAL TEMPORAL DIFFERENTIATOR | BRAGG GRATINGS | GENERATION | OPTICS | CRYSTAL NANOCAVITY
Journal Article
Optics Express, ISSN 1094-4087, 03/2013, Volume 21, Issue 6, pp. 7014 - 7024
We propose and experimentally demonstrate the flexibility and versatility of photonic differentiators using a silicon-based Mach-Zehnder Interferometer (MZI)...
SEMICONDUCTOR OPTICAL AMPLIFIER | PHASE MODULATION | TEMPORAL DIFFERENTIATORS | GENERATION | OPTICS | BRAGG GRATINGS | Photometry - instrumentation | Interferometry - instrumentation | Equipment Design | Silicon - chemistry | Equipment Failure Analysis
SEMICONDUCTOR OPTICAL AMPLIFIER | PHASE MODULATION | TEMPORAL DIFFERENTIATORS | GENERATION | OPTICS | BRAGG GRATINGS | Photometry - instrumentation | Interferometry - instrumentation | Equipment Design | Silicon - chemistry | Equipment Failure Analysis
Journal Article
IEEE Photonics Technology Letters, ISSN 1041-1135, 12/2014, Volume 26, Issue 23, pp. 2383 - 2386
We report the implementation of an all-optical temporal differentiator based on an integrated phase-shifted Bragg grating (PSBG) in a compact single-mode...
Bragg gratings | Strips | Optical device fabrication | Silicon | Reflection | Gratings | Optical waveguides | Integrated bragg grating | Silicon photonics | Optical differentiator | Microwave photonics | Optical signal processing | Waveguide | PHYSICS, APPLIED | SILICON | microwave photonics | optical differentiator | ENGINEERING, ELECTRICAL & ELECTRONIC | integrated Bragg grating | COMPACT | MICRORING RESONATOR | PICOSECOND | TEMPORAL DIFFERENTIATION | FABRICATION | GENERATION | optical signal processing | OPTICS | waveguide | CMOS | Differentiators | Lithography | Corrugating | Ridges | Temporal logic
Bragg gratings | Strips | Optical device fabrication | Silicon | Reflection | Gratings | Optical waveguides | Integrated bragg grating | Silicon photonics | Optical differentiator | Microwave photonics | Optical signal processing | Waveguide | PHYSICS, APPLIED | SILICON | microwave photonics | optical differentiator | ENGINEERING, ELECTRICAL & ELECTRONIC | integrated Bragg grating | COMPACT | MICRORING RESONATOR | PICOSECOND | TEMPORAL DIFFERENTIATION | FABRICATION | GENERATION | optical signal processing | OPTICS | waveguide | CMOS | Differentiators | Lithography | Corrugating | Ridges | Temporal logic
Journal Article
Optics Express, ISSN 1094-4087, 2014, Volume 22, Issue 15, pp. 18232 - 18237
We propose and experimentally demonstrate a tunable fractional order photonic differentiator using an on-chip electrically tuned Mach-Zehnder interferometer...
COMPACT | MICRORING RESONATOR | AMPLIFIER | CHIP | PERIOD FIBER GRATINGS | ULTRAFAST OPTICAL DIFFERENTIATORS | TEMPORAL DIFFERENTIATOR | OPTICS
COMPACT | MICRORING RESONATOR | AMPLIFIER | CHIP | PERIOD FIBER GRATINGS | ULTRAFAST OPTICAL DIFFERENTIATORS | TEMPORAL DIFFERENTIATOR | OPTICS
Journal Article
IEEE Photonics Technology Letters, ISSN 1041-1135, 08/2013, Volume 25, Issue 15, pp. 1408 - 1411
An optically tunable fractional order temporal differentiator implemented using a silicon-on-isolator microring resonator with a multimode interference (MMI)...
SOI microring resonator | Silicon photonics | optical differentiator | PHASE | PHYSICS, APPLIED | SIGNALS | PICOSECOND | TEMPORAL DIFFERENTIATION | GENERATION | OPTICS | OPTICAL DIFFERENTIATORS | ENGINEERING, ELECTRICAL & ELECTRONIC
SOI microring resonator | Silicon photonics | optical differentiator | PHASE | PHYSICS, APPLIED | SIGNALS | PICOSECOND | TEMPORAL DIFFERENTIATION | GENERATION | OPTICS | OPTICAL DIFFERENTIATORS | ENGINEERING, ELECTRICAL & ELECTRONIC
Journal Article
Optics Express, ISSN 1094-4087, 05/2015, Volume 23, Issue 9, pp. 11141 - 11151
A novel photonic fractional-order temporal differentiator is proposed based on the inverse Raman scattering (IRS) in the side-coupled silicon microring...
COMPACT | PERIOD FIBER GRATINGS | WAVE-GUIDES | WAVELENGTH | TEMPORAL DIFFERENTIATOR | PICOSECOND | GENERATION | OPTICS | MACH-ZEHNDER INTERFEROMETER
COMPACT | PERIOD FIBER GRATINGS | WAVE-GUIDES | WAVELENGTH | TEMPORAL DIFFERENTIATOR | PICOSECOND | GENERATION | OPTICS | MACH-ZEHNDER INTERFEROMETER
Journal Article
Optics Express, ISSN 1094-4087, 01/2012, Volume 20, Issue 3, pp. 2626 - 2639
We introduce a universal figure of merit to evaluate the processing speed (operation bandwidth) performance of arbitrary-order optical differentiators. In...
ALL-OPTICAL DIFFERENTIATOR | COUPLERS | TEMPORAL DIFFERENTIATORS | PULSE GENERATION | DESIGN | AMPLIFIER | TRANSMISSION | PERIOD FIBER GRATINGS | BRAGG GRATINGS | OPTICS | MODULATION | Photometry - instrumentation | Photons | Algorithms | Computer-Aided Design | Equipment Design | Equipment Failure Analysis
ALL-OPTICAL DIFFERENTIATOR | COUPLERS | TEMPORAL DIFFERENTIATORS | PULSE GENERATION | DESIGN | AMPLIFIER | TRANSMISSION | PERIOD FIBER GRATINGS | BRAGG GRATINGS | OPTICS | MODULATION | Photometry - instrumentation | Photons | Algorithms | Computer-Aided Design | Equipment Design | Equipment Failure Analysis
Journal Article
Journal of Experimental and Theoretical Physics, ISSN 1063-7761, 8/2018, Volume 127, Issue 2, pp. 202 - 209
An optical differentiator based on a three-layer resonant structure with a W-shaped refractive index profile is proposed. The differentiation operation is...
Solid State Physics | Classical and Quantum Gravitation, Relativity Theory | Physics | Particle and Nuclear Physics | Elementary Particles, Quantum Field Theory | FIBER | MATRIX | TEMPORAL DIFFERENTIATORS | MODES | PHYSICS, MULTIDISCIPLINARY | BEAMS | RESONANT DIFFRACTION GRATINGS | SIGNALS | LAPLACE OPERATOR | SLAB WAVE-GUIDE | SPATIAL DIFFERENTIATION | Equipment and supplies | Numerical analysis | Optical properties | Fiber optics | OPTICS | REFRACTIVE INDEX | CLASSICAL AND QUANTUM MECHANICS, GENERAL PHYSICS | COMPUTERIZED SIMULATION
Solid State Physics | Classical and Quantum Gravitation, Relativity Theory | Physics | Particle and Nuclear Physics | Elementary Particles, Quantum Field Theory | FIBER | MATRIX | TEMPORAL DIFFERENTIATORS | MODES | PHYSICS, MULTIDISCIPLINARY | BEAMS | RESONANT DIFFRACTION GRATINGS | SIGNALS | LAPLACE OPERATOR | SLAB WAVE-GUIDE | SPATIAL DIFFERENTIATION | Equipment and supplies | Numerical analysis | Optical properties | Fiber optics | OPTICS | REFRACTIVE INDEX | CLASSICAL AND QUANTUM MECHANICS, GENERAL PHYSICS | COMPUTERIZED SIMULATION
Journal Article
Optical Engineering, ISSN 0091-3286, 3/2016, Volume 55, Issue 3, pp. 031105 - 031105
We propose a tunable fractional-order photonic differentiator based on a distributed feedback semiconductor optical amplifier (SOA) working in reflection mode....
optical signal processing | pulse shaping | photonic differentiator | distributed feedback semiconductor optical amplifier | GRATINGS | SILICON MICRORING RESONATOR | DESIGN | TEMPORAL DIFFERENTIATOR | OPTICS | MODULATION
optical signal processing | pulse shaping | photonic differentiator | distributed feedback semiconductor optical amplifier | GRATINGS | SILICON MICRORING RESONATOR | DESIGN | TEMPORAL DIFFERENTIATOR | OPTICS | MODULATION
Journal Article
IEEE Transactions on Biomedical Circuits and Systems, ISSN 1932-4545, 10/2015, Volume 9, Issue 5, pp. 686 - 698
This article investigates the potential of a bio-inspired vision sensor with pixels that detect transients between three primary colors. The in-pixel color...
high-speed vision sensor | Color | Retina | temporal contrast | Photodiodes | Address Event Representation (AER) | image sensors | Sensitivity | CMOS pixel | Image color analysis | color processing | Robot sensing systems | dynamic vision sensor | asynchronous vision sensor | Arrays | ENGINEERING, BIOMEDICAL | COLOR | VISION SENSOR | ENGINEERING, ELECTRICAL & ELECTRONIC | Retina - physiology | Semiconductors | Humans | Image Processing, Computer-Assisted - instrumentation | Silicon | Biomedical Engineering - instrumentation | Image Processing, Computer-Assisted - methods | Models, Neurological | Biomedical Engineering - methods | Equipment Design | Laser printers
high-speed vision sensor | Color | Retina | temporal contrast | Photodiodes | Address Event Representation (AER) | image sensors | Sensitivity | CMOS pixel | Image color analysis | color processing | Robot sensing systems | dynamic vision sensor | asynchronous vision sensor | Arrays | ENGINEERING, BIOMEDICAL | COLOR | VISION SENSOR | ENGINEERING, ELECTRICAL & ELECTRONIC | Retina - physiology | Semiconductors | Humans | Image Processing, Computer-Assisted - instrumentation | Silicon | Biomedical Engineering - instrumentation | Image Processing, Computer-Assisted - methods | Models, Neurological | Biomedical Engineering - methods | Equipment Design | Laser printers
Journal Article
Optical Engineering, ISSN 0091-3286, 1/2013, Volume 52, Issue 1, pp. 015005 - 015005
Twin-core fiber (TCF) can provide the required spectral response for implementing an optical temporal differentiator. It is shown that the output temporal...
GRATINGS | SILICON MICRORING RESONATOR | DESIGN | COUPLED-MODE THEORY | OPTICS | Optical fibers | Wavelengths | Differentiators | Mathematical analysis | Waveforms | Optical communication | Derivatives | Temporal logic
GRATINGS | SILICON MICRORING RESONATOR | DESIGN | COUPLED-MODE THEORY | OPTICS | Optical fibers | Wavelengths | Differentiators | Mathematical analysis | Waveforms | Optical communication | Derivatives | Temporal logic
Journal Article
Journal of Optics (United Kingdom), ISSN 2040-8978, 06/2012, Volume 14, Issue 6, pp. 65501 - 1-8
A high-speed photonic temporal differentiator based on cascaded SOI microring resonators is proposed and experimentally demonstrated in this study. The...
cascaded microring | microring resonator | signal processing | optical differentiator | temporal differentiator | ORDER | FILTERS | OPTICS | DELAY | Trains | Noise levels | Differentiators | High speed | Notches | Resonators | Temporal logic | Photonics
cascaded microring | microring resonator | signal processing | optical differentiator | temporal differentiator | ORDER | FILTERS | OPTICS | DELAY | Trains | Noise levels | Differentiators | High speed | Notches | Resonators | Temporal logic | Photonics
Journal Article
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