Modal-reflectivity enhancement by geometry tuning in Photonic Crystal microcavities

Sauvan, Christophe; Lecamp, G.; Lalanne, Philippe; Hugonin, Jean‐Paul

doi:10.1364/opex.13.000245

Cited by 137 publications

(101 citation statements)

References 34 publications

(53 reference statements)

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“…16 Similar structures have been recently investigated by other group. 17 The cavity is fabricated by electron beam lithography and reactive ion etching on a silicon-on-insulator substrate.…”

supporting

confidence: 67%

Subwavelength imaging of light confinement in high-Q/small-V photonic crystal nanocavity

Lalouat¹,

Cluzel²,

Fornel³

et al. 2008

Applied Physics Letters

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International audienceThe optical near field of a high-Q and ultrasmall volume photonic crystal nanocavity is visualized with a subwavelength resolution by using a scanning near-field optical microscope (SNOM) operating at the same time in collection-scanning mode and in interaction-scanning mode. It is shown that the nanocavity resonant mode is selectively visualized by using the SNOM interaction-scanning mode while the whole electromagnetic field surrounding the nanocavity is probed using the SNOM collection-scanning mode. The different optical near-field images are compared in light of a three-dimensional numerical analysis and we demonstrate an unexpected mode coupling at the cavity resonance

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supporting

confidence: 67%

Subwavelength imaging of light confinement in high-Q/small-V photonic crystal nanocavity

Lalouat¹,

Cluzel²,

Fornel³

et al. 2008

Applied Physics Letters

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“…This design allow to tailor the radiation losses at the cavity-mirror interfaces by implementing a gradual variation of the transverse mode profiles, i.e. by tapering the defect-ridge guided mode into the associated mirror Bloch mode [14]. Each mirror is formed by a periodic row of N air holes with a 200 nm diameter and a 370 nm periodicity, and by a 4-hole taper with a gradual increase of diameters, from 135 to 200 nm, and of inter-hole distances, from 300 to 350 nm.…”

Section: Nanocavity Design and Fabricationmentioning

confidence: 99%

A near-field actuated optical nanocavity

Cluzell¹,

Lalouat²,

Velha³

et al. 2008

Opt. Express

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Abstract:We demonstrate here that switching and tuning of a nanocavity resonance can be achieved by approaching a sub-micrometer tip inside its evanescent near-field. The resonance energy is tuned over a wide spectral range (∆λ/λ~10 -3 ) without significant deterioration of the cavity peaktransmittance and of the resonance linewidth. Such a result is achieved by taking benefits from a weak tip-cavity interaction regime in which the tip behaves as a pure optical path length modulator.

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“…the well-known volume and bandwidth tradeoffs associated with ring resonators [61], yielding minimal device footprint and on-chip integrability [62,63], in addition to high-quality factors [21,[64][65][66][67].…”

Section: Introductionmentioning

confidence: 99%

High-efficiency degenerate four-wave mixing in triply resonant nanobeam cavities

et al. 2014

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Using a combination of temporal coupled-mode theory and nonlinear finite-difference time-domain (FDTD) simulations, we study the nonlinear dynamics of all-resonant four-wave mixing processes and demonstrate the possibility of achieving high-efficiency limit cycles and steady states that lead to ≈100% depletion of the incident light at low input (critical) powers. Our analysis extends previous predictions to capture important effects associated with losses, self-and cross-phase modulation, and imperfect frequency matching (detuning) of the cavity frequencies. We find that maximum steady-state conversion is hypersensitive to frequency mismatch, resulting in high-efficiency limit cycles that arise from the presence of a homoclinic bifurcation in the solution phase space, but that a judicious choice of incident frequencies and input powers, in conjuction with self-phase and cross-phase modulation, can restore high-efficiency steady-state conversion even for large frequency mismatch. Assuming operation in the telecom range, we predict close to perfect quantum efficiencies at reasonably low ∼50 mW input powers in silicon micrometer-scale PhC nanobeam cavities.

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Modal-reflectivity enhancement by geometry tuning in Photonic Crystal microcavities

Cited by 137 publications

References 34 publications

Subwavelength imaging of light confinement in high-Q/small-V photonic crystal nanocavity

Subwavelength imaging of light confinement in high-Q/small-V photonic crystal nanocavity

A near-field actuated optical nanocavity

High-efficiency degenerate four-wave mixing in triply resonant nanobeam cavities

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