Grating-assisted phase-matched second-harmonic generation from a polymer waveguide

Blau, G.; Popov, Evgeny; Kajzar, F.; Raimond, A.; Roux, Jean‐François; Coutaz, J.-L.

doi:10.1364/ol.20.001101

Cited by 24 publications

(10 citation statements)

References 8 publications

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“…Nonlinear responses can arise using RWGs thanks to the strong local enhancement of the electromagnetic field in the guided modes . In fact, the periodic corrugation of a waveguide was found to be an efficient method for phase matching nonlinear optical interactions, especially when the period is of the order of one coherence length . Applications of nonlinear effects enhanced by RWGs in signal processing include switching, computing, and telecommunications .…”

Section: Effects Associated With Rwgsmentioning

confidence: 99%

“…[59] In fact, the periodic corrugation of a waveguide was found to be an efficient method for phase matching nonlinear optical interactions, especially when the period is of the order of one coherence length. [210][211][212][213] enhanced by RWGs in signal processing include switching, computing, and telecommunications. [214] In order to increase the field localization effects and to have phase matching at the same time, the RWG is designed to have its fundamental resonance at the photonic band edge, at which it is optically pumped, and to have a quasi-phase-matched nonlinear substrate.…”

Section: Field Enhancement and Nonlinear Effectsmentioning

confidence: 99%

See 1 more Smart Citation

Recent Advances in Resonant Waveguide Gratings

Quaranta

Basset

Martin

et al. 2018

Laser & Photonics Reviews

321

199

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Resonant waveguide gratings (RWGs), also known as guided mode resonant (GMR) gratings or waveguide‐mode resonant gratings, are dielectric structures where these resonant diffractive elements benefit from lateral leaky guided modes from UV to microwave frequencies in many different configurations. A broad range of optical effects are obtained using RWGs such as waveguide coupling, filtering, focusing, field enhancement and nonlinear effects, magneto‐optical Kerr effect, or electromagnetically induced transparency. Thanks to their high degree of optical tunability (wavelength, phase, polarization, intensity) and the variety of fabrication processes and materials available, RWGs have been implemented in a broad scope of applications in research and industry: refractive index and fluorescence biosensors, solar cells and photodetectors, signal processing, polarizers and wave plates, spectrometers, active tunable filters, mirrors for lasers and optical security features. The aim of this review is to discuss the latest developments in the field including numerical modeling, manufacturing, the physics, and applications of RWGs. Scientists and engineers interested in using RWGs for their application will also find links to the standard tools and references in modeling and fabrication according to their needs.

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Section: Effects Associated With Rwgsmentioning

confidence: 99%

Section: Field Enhancement and Nonlinear Effectsmentioning

confidence: 99%

Recent Advances in Resonant Waveguide Gratings

Quaranta

Basset

Martin

et al. 2018

Laser & Photonics Reviews

321

199

View full text Add to dashboard Cite

show abstract

“…Using the periodic variation of the refractive index or the NL susceptibility, it SPIE Vol. 2852/243 is possible to use counterpropagating grating assisted SHG [9]. Up to now, we obtained higher efficiencies with a second method, that uses modal dispersion of copropagating modes to realize phasematching.…”

Section: Basic Conceptsmentioning

confidence: 85%

Electro-optic modulation and second-harmonic generation through grating-induced resonant excitation of guided modes

Blau¹,

Cairone²,

Chollet

et al. 1996

Nonlinear Optical Properties of Organic Materials IX

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Using nonlinear polymer waveguides in integrated optics requires an adaptation of the device to the very special waveguiding characteristics of polymer films. We present in this paper new devices based on diffraction gratings for electro-optic modulation and potentially high efficient second-harmonic generation that are in general well suited to the use of polymers. We optimized the devices through numerical simulation to the use of PNA-PMMA films. We obtain experimentally 40% light modulation at L\V=5 1 .9V (r33=4.3pm/V) concerning electro-optic modulation and a conversion efficiency of =5.83* 106 iiw (X33=8pmJV) for second-harmonic generation.The performance of a nonlinear (NL) device is mainly determined by the value of the NL polarization which is the product of the NL susceptibility times the electric field present in the NL medium. High electric fields and important interaction lengths can be achieved using guided waves due to the confinement of the electromagnetic fields in the centimeter range. Guided modes, or electromagnetic resonances are widely used in non linear integrated devices like electro-optic modulators based on LiNbO3 which are already available on the market. Concerning polymer based devices, it is still difficult to cross over the step from development to manufacturing, in spite of the high non resonant values of the second order susceptibility ((2)>1OOpmJv) [1] that are already available with polymer materials. Most of the integrated devices based on polymer materials use the same basic concepts like integrated Mach Zehnder interferometers or quasi-phase-matching schemes that have been successful using inorganic materials. The technological transfer from these inorganic devices to polymer based devices often happens without taking care about the very different behavior of polymers in device fabrication, their different temporal, chemical and photo-chemical stability and their different linear optical characteristics compared to inorganic materials. The aim of this paper is to present new device concepts which can be better adapted to the specific characteristics of electric field oriented polymer materials than in the most cases of the "traditional" concepts. An example concerning electro-optic modulation and an example concerning second-harmonic generation (SHG) using artificial periodic structures will be given. The NL polymer used for the experimental demonstration of both devices is a thin film of poly(methyl methacrylate)/para-nitroaniline side-chain polymer (PNAJPMMA). O-8194-2240-1/96/$6.OO SPIE Vol. 2852 / 237 Downloaded From: http://proceedings.spiedigitallibrary.org/ on 06/29/2016 Terms of Use: http://spiedigitallibrary.org/ss/TermsOfUse.aspx

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“…Some of the early sub-wavelength periodic structures studied for nonlinear optical applications are the guided-mode resonance structures leveraging the resonances offered by the dielectric grating structures to enhance nonlinear effects from nonlinear polymer overlayers. Figure 15a,b show two such implementations using PMMA [92] and Azo-polymers [93] as the nonlinear media on top of glass and titanium oxide gratings respectively. In Figure 15a, careful attention is paid to the phase matching of the second-harmonic generation process between the counterpropagating fundamental and second-harmonic slab modes in the presence of the grating structure [92].…”

Section: Second-and Third-harmonic Generationmentioning

confidence: 99%

“…Figure 15a,b show two such implementations using PMMA [92] and Azo-polymers [93] as the nonlinear media on top of glass and titanium oxide gratings respectively. In Figure 15a, careful attention is paid to the phase matching of the second-harmonic generation process between the counterpropagating fundamental and second-harmonic slab modes in the presence of the grating structure [92]. Experimentally measured second-harmonic signal shows enhancement corresponding to the phase matched condition when compared to the non-phase matched case.…”

Section: Second-and Third-harmonic Generationmentioning

confidence: 99%

Nonlinear Optics in Dielectric Guided-Mode Resonant Structures and Resonant Metasurfaces

et al. 2020

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Nonlinear optics is an important area of photonics research for realizing active optical functionalities such as light emission, frequency conversion, and ultrafast optical switching for applications in optical communication, material processing, precision measurements, spectroscopic sensing and label-free biological imaging. An emerging topic in nonlinear optics research is to realize high efficiency optical functionalities in ultra-small, sub-wavelength length scale structures by leveraging interesting optical resonances in surface relief metasurfaces. Such artificial surfaces can be engineered to support high quality factor resonances for enhanced nonlinear optical interaction by leveraging interesting physical mechanisms. The aim of this review article is to give an overview of the emerging field of nonlinear optics in dielectric based sub-wavelength periodic structures to realize efficient harmonic generators, wavelength mixers, optical switches etc. Dielectric metasurfaces support the realization of high quality-factor resonances with electric field concentrated either inside or in the vicinity of the dielectric media, while at the same time operate at high optical intensities without damage. The periodic dielectric structures considered here are broadly classified into guided-mode resonant structures and resonant metasurfaces. The basic physical mechanisms behind guided-mode resonances, electromagnetically-induced transparency like resonances and bound-states in continuum resonances in periodic photonic structures are discussed. Various nonlinear optical processes studied in such structures with example implementations are also reviewed. Finally, some future directions of interest in terms of realizing large-area metasurfaces, techniques for enhancing the efficiency of the nonlinear processes, heterogenous integration, and extension to non-conventional wavelength ranges in the ultra-violet and infrared region are discussed.

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Grating-assisted phase-matched second-harmonic generation from a polymer waveguide

Cited by 24 publications

References 8 publications

Recent Advances in Resonant Waveguide Gratings

Recent Advances in Resonant Waveguide Gratings

Electro-optic modulation and second-harmonic generation through grating-induced resonant excitation of guided modes

Nonlinear Optics in Dielectric Guided-Mode Resonant Structures and Resonant Metasurfaces

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