Efficient telecom to visible wavelength conversion in doubly resonant gallium phosphide microdisks

David P. Lake; Matthew Mitchell; Harishankar Jayakumar; Laís Fujii Dos Santos; Davor Curic; Paul E. Barclay

doi:10.1063/1.4940242

Efficient telecom to visible wavelength conversion in doubly resonant gallium phosphide microdisks

David P. Lake, Matthew Mitchell, Harishankar Jayakumar, Laís Fujii Dos Santos, Davor Curic, Paul E. Barclay

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Abstract

Resonant second harmonic generation between 1550 nm and 775 nm with normalized outside efficiency > 3.8 × 10 - 4 mW - 1 is demonstrated in a gallium phosphide microdisk supporting high-Q modes at visible (Q ∼ 10 4) and infrared (Q ∼ 10 5) wavelengths. The double resonance condition is satisfied for a specific pump power through intracavity photothermal temperature tuning using ∼ 360 μ W of 1550 nm light input to a fiber taper and coupled to a microdisk resonance. Power dependent efficiency consistent with a simple model for thermal tuning of the double resonance condition is observed.

Original language	English (US)
Article number	031109
Journal	Applied Physics Letters
Volume	108
Issue number	3
DOIs	https://doi.org/10.1063/1.4940242
State	Published - Jan 18 2016
Externally published	Yes

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© 2016 AIP Publishing LLC.

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abstract = "Resonant second harmonic generation between 1550 nm and 775 nm with normalized outside efficiency > 3.8 × 10 - 4 mW - 1 is demonstrated in a gallium phosphide microdisk supporting high-Q modes at visible (Q ∼ 10 4) and infrared (Q ∼ 10 5) wavelengths. The double resonance condition is satisfied for a specific pump power through intracavity photothermal temperature tuning using ∼ 360 μ W of 1550 nm light input to a fiber taper and coupled to a microdisk resonance. Power dependent efficiency consistent with a simple model for thermal tuning of the double resonance condition is observed.",

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AU - Jayakumar, Harishankar

AU - Dos Santos, Laís Fujii

AU - Curic, Davor

AU - Barclay, Paul E.

PY - 2016/1/18

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N2 - Resonant second harmonic generation between 1550 nm and 775 nm with normalized outside efficiency > 3.8 × 10 - 4 mW - 1 is demonstrated in a gallium phosphide microdisk supporting high-Q modes at visible (Q ∼ 10 4) and infrared (Q ∼ 10 5) wavelengths. The double resonance condition is satisfied for a specific pump power through intracavity photothermal temperature tuning using ∼ 360 μ W of 1550 nm light input to a fiber taper and coupled to a microdisk resonance. Power dependent efficiency consistent with a simple model for thermal tuning of the double resonance condition is observed.

AB - Resonant second harmonic generation between 1550 nm and 775 nm with normalized outside efficiency > 3.8 × 10 - 4 mW - 1 is demonstrated in a gallium phosphide microdisk supporting high-Q modes at visible (Q ∼ 10 4) and infrared (Q ∼ 10 5) wavelengths. The double resonance condition is satisfied for a specific pump power through intracavity photothermal temperature tuning using ∼ 360 μ W of 1550 nm light input to a fiber taper and coupled to a microdisk resonance. Power dependent efficiency consistent with a simple model for thermal tuning of the double resonance condition is observed.

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Efficient telecom to visible wavelength conversion in doubly resonant gallium phosphide microdisks

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