Transmission of slow light through photonic crystal waveguide bends

Solomon Assefa; Sharee J. McNab; Yurii A. Vlasov

doi:10.1364/OL.31.000745

Transmission of slow light through photonic crystal waveguide bends

Solomon Assefa, Sharee J. McNab, Yurii A. Vlasov

Research output: Contribution to journal › Article › peer-review

Abstract

The spectral dependence of the bending loss of cascaded 60° bends in photonic crystal (PhC) waveguides is explored in a slab-type silicon-on-insulator system. An ultralow bending loss of (0.05 ±0.03) dB/bend is measured at wavelengths corresponding to the nearly dispersionless transmission regime. In contrast, the PhC bend is found to become completely opaque for wavelengths corresponding to the slow-light regime. A general strategy is presented and experimentally verified to optimize the bend design for improved slow-light transmission.

Original language	English (US)
Pages (from-to)	745-747
Number of pages	3
Journal	Optics Letters
Volume	31
Issue number	6
DOIs	https://doi.org/10.1364/OL.31.000745
State	Published - Mar 15 2006
Externally published	Yes

ASJC Scopus subject areas

Atomic and Molecular Physics, and Optics

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10.1364/OL.31.000745

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abstract = "The spectral dependence of the bending loss of cascaded 60° bends in photonic crystal (PhC) waveguides is explored in a slab-type silicon-on-insulator system. An ultralow bending loss of (0.05 ±0.03) dB/bend is measured at wavelengths corresponding to the nearly dispersionless transmission regime. In contrast, the PhC bend is found to become completely opaque for wavelengths corresponding to the slow-light regime. A general strategy is presented and experimentally verified to optimize the bend design for improved slow-light transmission.",

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AU - McNab, Sharee J.

AU - Vlasov, Yurii A.

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N2 - The spectral dependence of the bending loss of cascaded 60° bends in photonic crystal (PhC) waveguides is explored in a slab-type silicon-on-insulator system. An ultralow bending loss of (0.05 ±0.03) dB/bend is measured at wavelengths corresponding to the nearly dispersionless transmission regime. In contrast, the PhC bend is found to become completely opaque for wavelengths corresponding to the slow-light regime. A general strategy is presented and experimentally verified to optimize the bend design for improved slow-light transmission.

AB - The spectral dependence of the bending loss of cascaded 60° bends in photonic crystal (PhC) waveguides is explored in a slab-type silicon-on-insulator system. An ultralow bending loss of (0.05 ±0.03) dB/bend is measured at wavelengths corresponding to the nearly dispersionless transmission regime. In contrast, the PhC bend is found to become completely opaque for wavelengths corresponding to the slow-light regime. A general strategy is presented and experimentally verified to optimize the bend design for improved slow-light transmission.

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Transmission of slow light through photonic crystal waveguide bends

Abstract

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