Anna C. Peacock
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View article: High-efficiency mid-infrared wavelength conversion in silicon waveguides
High-efficiency mid-infrared wavelength conversion in silicon waveguides Open
High-efficiency wavelength conversion into the 2 μm region has been achieved through Raman enhanced four-wave mixing in a planar silicon waveguide. By aligning the FWM phase-matching conditions with the Raman gain bandwidth, a wavelength c…
View article: Intermodal four-wave mixing in silicon core fibers: enabling versatile wavelength conversion in the mid-infrared range
Intermodal four-wave mixing in silicon core fibers: enabling versatile wavelength conversion in the mid-infrared range Open
Highly nonlinear silicon core fibers (SCFs) that offer extended mid-infrared transmission provide a unique platform for efficient wavelength conversion within the 3-5 μm atmospheric window of use for free-space communications and remote se…
View article: Laser-drawn silicon core fibers for nonlinear photonics
Laser-drawn silicon core fibers for nonlinear photonics Open
The linear and nonlinear properties of laser-drawn silicon core fibers (SCFs) are characterized in the telecom band for the first time. We show that the SCFs produced with micrometer-sized core diameters exhibit low optical losses (∼1 dB/c…
View article: Mid-infrared silicon photonics: From benchtop to real-world applications
Mid-infrared silicon photonics: From benchtop to real-world applications Open
Silicon photonics is one of the most dynamic fields within photonics, and it has seen huge progress in the last 20 years, addressing applications in data centers, autonomous cars, and sensing. It is mostly focused on the telecommunications…
View article: Semiconductor core fibres: a scalable platform for nonlinear photonics
Semiconductor core fibres: a scalable platform for nonlinear photonics Open
Semiconductor core, glass cladding fibres that can be produced with scalable dimensions and unique waveguide designs are offering new opportunities for nonlinear photonics. This paper reviews developments in the fabrication and post-proces…
View article: Low loss polycrystalline SiGe core fibers for nonlinear photonics
Low loss polycrystalline SiGe core fibers for nonlinear photonics Open
Polycrystalline silicon-germanium (SiGe) core fibers offer great potential as flexible platforms for microscale optoelectronic and nonlinear optical devices. Compared to silicon (Si) core fibers, the SiGe material provides the potential fo…
View article: Nonlinear Optics: feature issue introduction
Nonlinear Optics: feature issue introduction Open
This joint issue of Optics Express and Optical Materials Express showcases 29 articles that report the latest advancements in nonlinear optics. These articles include contributions from authors who participated in the Optica Nonlinear Opti…
View article: Nonlinear Optics: feature issue introduction
Nonlinear Optics: feature issue introduction Open
This joint issue of Optics Express and Optical Materials Express showcases 29 articles that report the latest advancements in nonlinear optics. These articles include contributions from authors who participated in the Optica Nonlinear Opti…
View article: Design of integrated silicon waveguides for Raman-enhanced four-wave mixing in the telecom band
Design of integrated silicon waveguides for Raman-enhanced four-wave mixing in the telecom band Open
Silicon planar waveguides are designed to maximize the wavelength conversion efficiency via the use of Raman-enhanced four-wave mixing in the telecom band. By investigating the dispersion properties of various rib waveguide structures, the…
View article: Silicon Core Fibers for Nonlinear Photonics: Applications and Emerging Trends
Silicon Core Fibers for Nonlinear Photonics: Applications and Emerging Trends Open
Over the past two decades silicon core fibers (SCFs) have emerged as a promising platform for use in nonlinear photonic applications. By harnessing the unique optical properties of the crystalline silicon core directly within the fiber geo…
View article: Broadband, tunable wavelength conversion using tapered silicon fibers extending up to 2.4 <i>μ</i>m
Broadband, tunable wavelength conversion using tapered silicon fibers extending up to 2.4 <i>μ</i>m Open
Wavelength conversion via four-wave mixing holds great promise for the construction of broadband and tunable light sources at wavelengths beyond 2 μm. In this work, we design and fabricate a tapered silicon core optical fiber with a disper…
View article: Raman amplification at 2.2 μm in silicon core fibers with prospects for extended mid-infrared source generation
Raman amplification at 2.2 μm in silicon core fibers with prospects for extended mid-infrared source generation Open
Raman scattering provides a convenient mechanism to generate or amplify light at wavelengths where gain is not otherwise available. When combined with recent advancements in high-power fiber lasers that operate at wavelengths ~2 μm, great …
View article: Toward in-fiber nonlinear silicon photonics
Toward in-fiber nonlinear silicon photonics Open
Silicon core fibers (SCFs) offer an exciting opportunity to harness the nonlinear functionality of the semiconductor material within the excellent waveguiding properties of optical fiber systems. Over the past two decades, these fibers hav…
View article: Mid-infrared Raman Amplification in Silicon Core Fiber
Mid-infrared Raman Amplification in Silicon Core Fiber Open
Raman scattering provides a convenient mechanism to generate or amplify light at wavelengths where gain is not otherwise available. When combined with recent advancements in high power fiber lasers that operate at wavelengths ~2 μm, great …
View article: Low-temperature polycrystalline silicon waveguides for low loss transmission in the near-to-mid-infrared region
Low-temperature polycrystalline silicon waveguides for low loss transmission in the near-to-mid-infrared region Open
Low-temperature deposited polycrystalline silicon waveguides are emerging as a flexible platform that allows for dense optoelectronic integration. Here, the optical transmission properties of poly-silicon waveguides have been characterized…
View article: All-fibre heterogeneously-integrated frequency comb generation using silicon core fibre
All-fibre heterogeneously-integrated frequency comb generation using silicon core fibre Open
View article: Ge Ion Implanted Photonic Devices and Annealing for Emerging Applications
Ge Ion Implanted Photonic Devices and Annealing for Emerging Applications Open
Germanium (Ge) ion implantation into silicon waveguides will induce lattice defects in the silicon, which can eventually change the crystal silicon into amorphous silicon and increase the refractive index from 3.48 to 3.96. A subsequent an…
View article: Role of Phase-matching on Raman-enhanced FWM in Silicon Core Fibers
Role of Phase-matching on Raman-enhanced FWM in Silicon Core Fibers Open
Raman-enhanced four-wave mixing is investigated in silicon core fibers that have been tapered to control the phase-matching conditions. The large estimated conversion efficiencies (~1 dB) will be useful for high-power amplification of tele…
View article: All-fibre heterogeneously-integrated frequency comb generationusing silicon core fibre
All-fibre heterogeneously-integrated frequency comb generationusing silicon core fibre Open
Originally developed for metrology, optical frequency combs are becoming increasingly pervasive in a wider range of research topics including optical communications, spectroscopy, and radio or microwave signal processing. However, applicat…
View article: Recent advances in supercontinuum generation in specialty optical fibers [Invited]
Recent advances in supercontinuum generation in specialty optical fibers [Invited] Open
The physics and applications of fiber-based supercontinuum (SC) sources have been a subject of intense interest over the last decade, with significant impact on both basic science and industry. New uses for SC sources are also constantly e…
View article: Recent advances in supercontinuum generation in specialty optical fibers [Invited]
Recent advances in supercontinuum generation in specialty optical fibers [Invited] Open
The physics and applications of fiber-based supercontinuum (SC) sources have been a subject of intense interest over the last decade, with significant impact on both basic science and industry. New uses for SC sources are also constantly e…
View article: Dataset for 'Continuous-wave Raman amplification in silicon core fibers pumped in the telecom band'
Dataset for 'Continuous-wave Raman amplification in silicon core fibers pumped in the telecom band' Open
Data for the journal paper 'Continuous-wave Raman amplification in silicon core fibers pumped in the telecom band' published in APL Photonics, https://doi.org/10.1063/5.0060108
View article: Continuous-wave Raman amplification in silicon core fibers pumped in the telecom band
Continuous-wave Raman amplification in silicon core fibers pumped in the telecom band Open
Stimulated Raman amplification is observed for the first time in the silicon core fiber (SCF) platform. The SCFs were tapered to obtain sub-micrometer core dimensions and low optical transmission losses, facilitating efficient spontaneous …
View article: Non-isothermal phase-field simulations of laser-written in-plane SiGe heterostructures for photonic applications
Non-isothermal phase-field simulations of laser-written in-plane SiGe heterostructures for photonic applications Open
View article: Laser Thermal Processing of Group IV Semiconductors for Integrated Photonic Systems
Laser Thermal Processing of Group IV Semiconductors for Integrated Photonic Systems Open
In the quest to expand the functionality and capacity of group IV semiconductor photonic systems, new materials and production methods are constantly being explored. In particular, flexible fabrication and postprocessing approaches that ar…
View article: IEEE Journal of Selected Topics in Quantum Electronics
IEEE Journal of Selected Topics in Quantum Electronics Open
View article: Parametric frequency comb generation using silicon core fiber
Parametric frequency comb generation using silicon core fiber Open
We demonstrate all-fiber frequency comb generation using a 10-mm-length silicon core fiber as the parametric mixer. We achieved 8 dB spectral flatness over 20 nm bandwidth, generating 90 lines at 26 GHz line spacing.
View article: Non-isothermal phase-field modelling with thermocapillary convection: Laser-written in-plane SiGe heterostructures for photonic applications
Non-isothermal phase-field modelling with thermocapillary convection: Laser-written in-plane SiGe heterostructures for photonic applications Open
Advanced solid-state device applications, including semiconductor lasers, waveguide Bragg gratings, and modulators, require nanoscale engineering of the electronic bandgap and refractive index. Heterostructures, which are semiconductor str…
View article: IEEE Journal of Quantum Electronics publication information
IEEE Journal of Quantum Electronics publication information Open
View article: Laser processed semiconductors for integrated photonic devices
Laser processed semiconductors for integrated photonic devices Open
We report results of laser processing of amorphous silicon and silicon-germanium semiconductor materials for the production of integrated photonic platforms. As the materials are deposited and processed at low temperatures, they are flexib…