High non-resonant third-order optical nonlinearity of Ag–glass nanocomposite fabricated by two-step ion exchange

Karvonen, Lasse; Rönn, John; Kujala, Sami; Chen, Ya; Säynätjoki, Antti; Tervonen, Ari; Svirko, Y.P.; Honkanen, Seppo

doi:10.1016/j.optmat.2013.09.016

Cited by 16 publications

(15 citation statements)

References 28 publications

Supporting

Mentioning

Contrasting

Order By: Relevance

“…This nonlinear optical (i.e. intensity dependent) behavior has been observed for different kinds of metal NPs such as Ag [2,[7][8][9][10][11][12], gold [13][14][15][16] and copper [17,18] around their SPR. The SA of gold NPs and to some extent also copper NPs has been examined extensively at 532 nm [14,18] (the second harmonic of Nd:YAG laser) since their SPR lies in this spectral region.…”

Section: Introductionmentioning

confidence: 71%

Saturable absorption of silver nanoparticles in glass for femtosecond laser pulses at 400 nm

Ajami

Husinsky

Švecová

et al. 2015

Journal of Non-Crystalline Solids

View full text Add to dashboard Cite

Section: Introductionmentioning

confidence: 71%

Saturable absorption of silver nanoparticles in glass for femtosecond laser pulses at 400 nm

Ajami

Husinsky

Švecová

et al. 2015

Journal of Non-Crystalline Solids

View full text Add to dashboard Cite

“…On the other hand, although electromagnetic fluctuations in nonlinear classical systems and quantum field theories have been studied in the past, the concept of fluctuational electrodynamics in the context of Casimir interactions has been explored only in limited situations. These include some general questions of noise [65,66], forces for small particles with nonlinear polarizability [67][68][69], or some limited scenarios of nonlinear parallel plates [70][71][72][73]. There have also been studies of thermal radiation in classical nonlinear Langevin models [74,75].…”

Section: Nonlinear Optical Responsementioning

confidence: 99%

Perspective on Some Recent and Future Developments in Casimir Interactions

2020

View full text Add to dashboard Cite

Here, we present a critical review of recent developments in Casimir physics motivated by discoveries of novel materials. Specifically, topologically nontrivial properties of the graphene family, Chern and topological insulators, and Weyl semimetals have diverse manifestations in the distance dependence, presence of fundamental constants, magnitude, and sign of the Casimir interaction. Limited studies of the role of nonlinear optical properties in the interaction are also reviewed. We show that, since many new materials have greatly enhanced the nonlinear optical response, new efficient pathways for investigation of the characteristic regimes of the Casimir force need to be explored, which are expected to lead to new discoveries. Recent progress in the dynamical Casimir effect is also reviewed and we argue that nonlinear media can open up new directions in this field as well.

show abstract

“…Table 3 gives the comparison of nonlinear coefficients of (Ag/SiO 2 ) 4 MD multilayers with (Ag/SiO 2 ) 1 , bare Ag thin film, and several other Ag containing nano‐ and photonic composites. [ 7,45,47,48 ] As seen, there is wide range of nonlinear absorption coefficients (β) reported for both resonant and nonresonant wavelengths with different laser sources. The nonlinear absorption coefficient (β) values of Ag nanoparticle [ 7 ] and Ag–glass [ 48 ] are substantially orders of magnitude lower than the present MD multilayers.…”

Section: Discussionmentioning

confidence: 99%

“…[ 7,45,47,48 ] As seen, there is wide range of nonlinear absorption coefficients (β) reported for both resonant and nonresonant wavelengths with different laser sources. The nonlinear absorption coefficient (β) values of Ag nanoparticle [ 7 ] and Ag–glass [ 48 ] are substantially orders of magnitude lower than the present MD multilayers. The previously reported β eff for Ag/ZnO Fabry–Pérot resonator [ 47 ] was 90 cm GW −1 at photonic band (600 nm) 140 fs laser excitation, which is almost 10 4 times lower than the present case.…”

Section: Discussionmentioning

confidence: 99%

Giant Optical Nonlinearities of Photonic Minibands in Metal–Dielectric Multilayers

Acharyya

Rao

Adnan

et al. 2020

Adv Materials Inter

View full text Add to dashboard Cite

as compared to the dielectrics. [1][2][3] The enhanced nonlinear optical properties of metals are extensively explored either as metal-dielectric (MD) nanocomposites or plasmonic structures. [4][5][6][7][8][9][10][11] The inherent properties of strong resonant absorption and considerable local-field enhancement of metals are observed due to huge optical polarization associated with the free electron oscillations. These MD composites show many interesting applications in ultrafast and nonlinear photonic domains. However, accessing of optical activities from metals or metal composites in the visible region is rather difficult due to thickness restricted high optical attenuation. All dielectric 1D photonic crystals become attractive for enhanced optical field confinement, thus produce several orders of magnitude changes in both linear and nonlinear optical properties. [12,13] Unlike dielectric-dielectric wavelength ordered multilayers, MD multilayer shows strong optical response due to high refractive index contrast between the metal and dielectric layers. [14][15][16] Therefore, a transparent metal can be realized when thin metal layer is sandwiched between the wavelength-ordered dielectric layers to make 1D photonic bandgap structure. [17][18][19][20] Novelty of these MD structure is that the total amount of metal is increased to several times larger than the skin depths in net thickness and still remains transparent for optical pulse propagation. In such Bragg photonic structures, the resonant Fabry-Perrot (FP) cavity modes produce a tailor-made photonic stopband and the transmission split into several minibands on both sides of the stopband. [17,21] As a result, optical fields can easily be propagated and manipulated to much deeper of these structures than the normal skin depth restricted bulk metals in both resonant and nonresonant optical regions. [14,22] Thus, the propagation of high intense light can be hugely altered in such MD structures and can be designed for high optical nonlinearities, while retaining the photonic transmission/reflection features similar to dielectric photonic structures. [23][24][25][26][27] Such novel MD structures have many exciting applications such as optical switching, laser optical limiters for human eye and sensor protection, and transparent conducting device technology. [28,29] The nonlinear enhancement of these 1D photonic bandgap structures is generally explained in the context The giant nonlinear optical responses of photonic minibands of (Ag/SiO 2 ) 4 metal-dielectric multilayers are reported using high intense femtosecond laser pulses. Ag and SiO 2 alternative stack of layers form a series of coupled Fabry-Pérot resonators (Ag-SiO 2 -Ag) and the cavity modes are split into transmission minibands in the metal reflective spectral region. The strong saturation of two-photon absorption associated with multiphoton absorption (MPA) is observed at photonic miniband minimum (≈700 nm), whereas MPA is the strong dominant nonlinearity at peak maximum (≈725 nm). The metal-cavity indu...

show abstract

High non-resonant third-order optical nonlinearity of Ag–glass nanocomposite fabricated by two-step ion exchange

Cited by 16 publications

References 28 publications

Saturable absorption of silver nanoparticles in glass for femtosecond laser pulses at 400 nm

Saturable absorption of silver nanoparticles in glass for femtosecond laser pulses at 400 nm

Perspective on Some Recent and Future Developments in Casimir Interactions

Giant Optical Nonlinearities of Photonic Minibands in Metal–Dielectric Multilayers

Contact Info

Product

Resources

About