Loss calculations for antiresonant waveguides

Archambault, J.L.; Black, Richard J.; Lacroix, Suzanne; Bures, Jacques

doi:10.1109/50.219574

Cited by 142 publications

(110 citation statements)

References 8 publications

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“…For simple (especially quasi-1D) systems, analytic conditions for maximum constructive or destructive interference can lead directly to an optimal structure design, even for finite and aperiodic structures. Optimizing scattering phases from individual dielectric elements and the relationship with PBGs are discussed (mostly for telecommunication applications) by Duguay et al (1986), Archambault et al (1993), Rowland et al (2008), and Sakai and Suzuki (2011). These concepts are applied to 2D structures in , Litchinitser et al (2003), Couny et al (2007), and Murao et al (2011).…”

Section: A Photonic Crystalsmentioning

confidence: 99%

Dielectric laser accelerators

England¹,

Noble²,

Bane³

et al. 2014

Rev. Mod. Phys.

341

184

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The use of infrared lasers to power optical-scale lithographically fabricated particle accelerators is a developing area of research that has garnered increasing interest in recent years. We review the physics and technology of this approach, which we refer to as dielectric laser acceleration (DLA). In the DLA scheme operating at typical laser pulse lengths of 0.1 to 1 ps, the laser damage fluences for robust dielectric materials correspond to peak surface electric fields in the GV/m regime. The corresponding accelerating field enhancement represents a potential reduction in active length of the accelerator between 1 and 2 orders of magnitude. Power sources for DLA-based accelerators (lasers) are less costly than microwave sources (klystrons) for equivalent average power levels due to wider availability and private sector investment. Due to the high laser-to-particle coupling efficiency, required pulse energies are consistent with tabletop microJoule class lasers. Combined with the very high (MHz) repetition rates these lasers can provide, the DLA approach appears promising for a variety of applications, including future high energy physics colliders, compact light sources, and portable medical scanners and radiative therapy machines.

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Section: A Photonic Crystalsmentioning

confidence: 99%

Dielectric laser accelerators

England¹,

Noble²,

Bane³

et al. 2014

Rev. Mod. Phys.

341

184

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show abstract

“…Considering the first theme, fibers with a binary-layered (Bragg) cladding are well known for their ability to confine light to cores with refractive indices equal to or lower than either of the cladding indices [1][2][3][4][5][6][7][8]. Analogous types of planar waveguides known as integrated Antiresonant Reflecting Optical Waveguides (integrated-ARROWs) exhibit similar low-index confinement behaviour [9][10][11][12][13] but are typically treated as distinct to Bragg waveguides and their associated bandgap guidance mechanism. The cladding of a Bragg waveguide is usually considered as a 1-D photonic crystal such that the behaviour of the resultant Bloch modes dictates whether light can or cannot couple to the cladding [1,14]; core modes exist only for wavelengths and propagation constants that fall within the Bloch modes' forbidden regions (bandgaps).…”

Section: Introductionmentioning

confidence: 99%

“…The cladding of a Bragg waveguide is usually considered as a 1-D photonic crystal such that the behaviour of the resultant Bloch modes dictates whether light can or cannot couple to the cladding [1,14]; core modes exist only for wavelengths and propagation constants that fall within the Bloch modes' forbidden regions (bandgaps). AR-ROW guidance, on the other hand, is attributed to the antiresonance of light with the individual cladding layers [9,15]; a particular layer will preferentially guide light at its resonant frequencies such that the transverse component of the light interferes constructively with itself for each round trip. Thus, light sufficiently far from the cladding resonances will be confined to the core due to restricted coupling (antiresonance) with the cladding layers themselves.…”

Section: Introductionmentioning

confidence: 99%

Bandgaps and antiresonances in integrated-ARROWs and Bragg fibers; a simple model

Rowland¹,

Afshar²,

Monro³

2008

Opt. Express

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“…A 37-cm length of the kagomé-PCF mentioned above was pumped with few μJ, 1 ns, pulses at 532 nm, generated by a microchip laser. The extremely thin core walls enabled operation in the ultraviolet since the first anti-crossing between the LP 01 -like core mode and resonances in the corewall lies at 210 nm [19].…”

mentioning

confidence: 99%

Enhanced Control of Transient Raman Scattering Using Buffered Hydrogen in Hollow-Core Photonic Crystal Fibers

et al. 2017

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Many reports on stimulated Raman scattering in mixtures of Raman-active and noble gases indicate that the addition of a dispersive buffer gas increases the phase-mismatch to higher-order Stokes/anti-Stokes sidebands, resulting in preferential conversion to the first few Stokes lines, accompanied by a significant reduction in Raman gain due to collisions with buffer gas molecules. Here we report that, provided the dispersion can be precisely controlled, the effective Raman gain in gas-filled hollow-core photonic crystal fiber (PCF) can actually be significantly enhanced when a buffer gas is added. This counterintuitive behavior occurs when the nonlinear coupling between the interacting fields is strong, and can result in a performance similar to that of a pure Raman-active gas, but at much lower total gas pressure, allowing competing effects such as Raman backscattering to be suppressed. We report high modal purity in all the emitted sidebands, along with antiStokes conversion efficiencies as high as 5% in the visible and 2% in the ultraviolet. The results point to a new class of gasbased waveguide device in which the pressure-tunable nonlinear optical response is beneficially adjusted by the addition of other gases.

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Loss calculations for antiresonant waveguides

Cited by 142 publications

References 8 publications

Dielectric laser accelerators

Dielectric laser accelerators

Bandgaps and antiresonances in integrated-ARROWs and Bragg fibers; a simple model

Enhanced Control of Transient Raman Scattering Using Buffered Hydrogen in Hollow-Core Photonic Crystal Fibers

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