F.P. Payne
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View article: An exact analysis of the temperature control of optical waveguides
An exact analysis of the temperature control of optical waveguides Open
In this paper we present an exact analysis of the variation with temperature of the effective index of an arbitrary optical waveguide. Our results allow the design of temperature compensated devices using only a single parameter calculated…
View article: Fiber Bragg Gratings with Micro‐Engineered Temperature Coefficients
Fiber Bragg Gratings with Micro‐Engineered Temperature Coefficients Open
Fiber Bragg gratings (FBGs) are ubiquitous as sensors for a range of parameters and also as optical components in telecommunications systems. However, their temperature dependence of around +10 pm °C −1 is a limiting factor, making it chal…
View article: Laser-written scalable sapphire integrated photonics platform
Laser-written scalable sapphire integrated photonics platform Open
In this paper, we demonstrate the integration of photonic devices on sapphire substrates using multi-layer depressed cladding waveguides at both 780 nm and 1550 nm. The devices are up to 10 cm long and written at depths down to 800 µm. The…
View article: Laser-written scalable sapphire integrated photonics platform
Laser-written scalable sapphire integrated photonics platform Open
In this paper, we demonstrate the integration of photonic devices on sapphire substrates using multi-layer depressed cladding waveguides at both 780 nm and 1550 nm. The devices are up to 10-cm long and written at depths down to 400 um. The…
View article: High-precision optical fiber sensing beyond 1000°C
High-precision optical fiber sensing beyond 1000°C Open
Sapphire fiber can withstand around 2000°C, but it is multimoded, giving poor precision sensors. We demonstrate a single-mode sapphire fiber Bragg grating temperature sensor operating up to 1200°C. The repeatability above 1000°C is within …
View article: Wang-Single-mode sapphire fiber Bragg grating Fig4b.csv
Wang-Single-mode sapphire fiber Bragg grating Fig4b.csv Open
"Single-mode sapphire fiber Bragg grating" Data File 3 (Underlying data for Figure 4b) Measured guided mode profile of a sapphire depressed cladding waveguide for TM mode
View article: Wang-Single-mode sapphire fiber Bragg grating Fig9d.csv
Wang-Single-mode sapphire fiber Bragg grating Fig9d.csv Open
"Single-mode sapphire fiber Bragg grating" Data File 7 (Underlying data for Figure 9d) Measured guided mode profile of a sapphire fiber Bragg grating
View article: Wang-Single-mode sapphire fiber Bragg grating Fig7c.csv
Wang-Single-mode sapphire fiber Bragg grating Fig7c.csv Open
Single-mode sapphire fiber Bragg grating Data File 4 (Underlying data for Figure 7c) Measured guided mode profile of a sapphire waveguide Bragg grating
View article: Wang-Single-mode sapphire fiber Bragg grating Fig4a.csv
Wang-Single-mode sapphire fiber Bragg grating Fig4a.csv Open
"Single-mode sapphire fiber Bragg grating" Data File 2 (Underlying data for Figure 4a) Measured guided mode profile of a sapphire depressed cladding waveguide for TE mode
View article: Wang-Single-mode sapphire fiber Bragg grating Fig2c.csv
Wang-Single-mode sapphire fiber Bragg grating Fig2c.csv Open
"Single-mode sapphire fiber Bragg grating" Data File 1 (Underlying data for Figure 2c) Experimental measured dimensions of the laser-induced single-tracks using different pulse energies and repetition rates
View article: Wang-Single-mode sapphire fiber Bragg grating Fig8.csv
Wang-Single-mode sapphire fiber Bragg grating Fig8.csv Open
"Single-mode sapphire fiber Bragg grating" Data File 6 (Underlying data for Figure 8) Measured reflection spectrums of second-order sapphire waveguide Bragg grating before and after annealing at 1000 degreeC
View article: Wang-Single-mode sapphire fiber Bragg grating Fig7d.csv
Wang-Single-mode sapphire fiber Bragg grating Fig7d.csv Open
"Single-mode sapphire fiber Bragg grating" Data File 5 (Underlying data for Figure 7d) Measured reflection spectrum of a sapphire waveguide Bragg grating
View article: Wang-Single-mode sapphire fiber Bragg grating Fig10.csv
Wang-Single-mode sapphire fiber Bragg grating Fig10.csv Open
"Single-mode sapphire fiber Bragg grating" Data File 8 (Underlying data for Figure 10) Measured reflection spectrum of a sapphire fiber Bragg grating
View article: All-optical mode-group multiplexed transmission over a graded-index ring-core fiber with single radial mode
All-optical mode-group multiplexed transmission over a graded-index ring-core fiber with single radial mode Open
We present a design of graded-index ring-core fiber (GI-RCF) supporting 3 linearly polarized (LP) mode-groups (i.e. LP$_{01}$, LP$_{11}$ and LP$_{21}$) with a single radial index of one for mode-division multiplexed (MDM) transmission. Rec…
View article: Dataset for Low-Loss 25.3km Few-Mode Ring-Core Fiber for Mode-Division Multiplexed Transmission
Dataset for Low-Loss 25.3km Few-Mode Ring-Core Fiber for Mode-Division Multiplexed Transmission Open
Dataset supporting: Jung, Yongmin (2017) Low-Loss 25.3km Few-Mode Ring-Core Fiber for Mode-Division Multiplexed Transmission. Journal of Lightwave Technology.
View article: Low-loss 25.3km few-mode ring-core fibre for mode-division multiplexed transmission
Low-loss 25.3km few-mode ring-core fibre for mode-division multiplexed transmission Open
We report the design, fabrication and characterisation of a few-mode ring-core fibre supporting 4 mode groups. The low loss (~0.3dB/km) and length (25.3km) are both records for a ring-core fibre.
View article: Aberration correction for direct laser written waveguides in a transverse geometry
Aberration correction for direct laser written waveguides in a transverse geometry Open
The depth dependent spherical aberration is investigated for ultrafast laser written waveguides fabricated in a transverse writing geometry using the slit beam shaping technique in the low pulse repetition rate regime. The axial elongation…