Explanipedia

Low-temperature polycrystalline silicon waveguides for low loss transmission in the near-to-mid-infrared region Open

Amar Nath Ghosh, Stuart J. MacFarquhar, Ozan Aktaş, Than Singh Saini, Swe Zin Oo , et al. · 2022

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…

Nanometallic antenna-assisted amorphous silicon waveguide integrated bolometer for mid-infrared Open

Yangbo Wu, Zhibo Qu, Ahmed Osman, Wei Chen, Wei Cao , et al. · 2020

Bolometers are thermal detectors widely applied in the mid-infrared (MIR) wavelength range. In an integrated sensing system on chip, a broadband scalable bolometer absorbing the light over the whole MIR wavelength range could play an impor…

Laser processed semiconductors for integrated photonic devices Open

Anna C. Peacock, Stuart J. MacFarquhar, Yohann Franz, Antoine F. J. Runge, S. Mailis , et al. · 2020

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…

Data set for Nonlinear properties of laser-processed polycrystalline silicon waveguides for integrated photonics Open

Ozan Aktaş, Stuart J. MacFarquhar, Swe Zin Oo, Antulio Tarazona, Harold M. H. Chong , et al. · 2020

This dataset supports the publication: Ozan Aktas, Swe Z. Oo, Stuart J. MacFarquhar, Antulio Tarazona, Harold M. H. Chong, and Anna C. Peacock (2020) Nonlinear properties of laser-processed polycrystalline silicon waveguides for integrated…

Nonlinear properties of laser-processed polycrystalline silicon waveguides for integrated photonics Open

Ozan Aktaş, Stuart J. MacFarquhar, Swe Zin Oo, Antulio Tarazona, Harold M. H. Chong , et al. · 2020

We report nonlinear optical characterization of cm-long polycrystalline silicon (poly-Si) waveguides at telecom wavelengths. Laser post-processing of lithographically-patterned amorphous silicon deposited on silica-on-silicon substrates pr…

Dataset for: Ion implantation of germanium into silicon for critical coupling control of racetrack resonators Open

Milan M. Milošević, Xia Chen, Xingshi Yu, Nicholas J. Dinsdale, Ozan Aktaş , et al. · 2020

Dataset supports: Milosevic, M. et al (2020). Ion implantation of germanium into silicon for critical coupling control of racetrack resonators. IEEE Journal of Lightwave Technology.

Ion Implantation of Germanium Into Silicon for Critical Coupling Control of Racetrack Resonators Open

Milan M. Milošević, Xia Chen, Xingshi Yu, Nicholas J. Dinsdale, Ozan Aktaş , et al. · 2020

Critical coupling control is an important concept used in integrated photonics to obtain functionalities such as single and coupled resonator optical filters and wavelength multiplexers. Realization of critical coupling depends strongly on…

Laser processed semiconductors for integrated photonic devices -INVITED Open

Anna C. Peacock, Stuart J. MacFarquhar, Yohann Franz, Antoine F. J. Runge, S. Mailis , et al. · 2020

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…

Laser processing of amorphous semiconductors on planar substrates for photonic and optoelectronic applications Open

Ozan Aktaş, Yohann Franz, Antoine F. J. Runge, Stuart J. MacFarquhar, Swe Zin Oo , et al. · 2019

We report results of laser processing on amorphous silicon and silicon-germanium films deposited on planar substrates. Pre-patterned a-Si waveguides were recrystallized and reflowed to enhance their material and optical properties. Formati…

HWCVD a-Si:H interlayer slope waveguide coupler for multilayer silicon photonics platform Open

Rafidah Petra, Swe Zin Oo, Antulio Tarazona, Robert Čerňanský, Scott A. Reynolds , et al. · 2019

We present interlayer slope waveguides, designed to guide light from one level to another in a multi-layer silicon photonics platform. The waveguide is fabricated from hydrogenated amorphous silicon (a-Si:H) film, deposited using hot-wire …

Photonic micro-structures produced by selective etching of laser-crystallized amorphous silicon Open

G. Martinez-Jimenez, Yohann Franz, Antoine F. J. Runge, M. Ceschia, N. Healy , et al. · 2019

We present a method for the production of polycrystalline Si (poly-Si) photonic micro-structures based on laser writing. The method consists of local laser-induced crystallization of amorphous silicon (a-Si) followed by selective etching i…

Hot wire chemical vapor deposition for silicon photonics: An emerging industrial application opportunity Open

Antulio Tarazona, Thalía Domínguez Bucio, Swe Zin Oo, Rafidah Petra, Ali Z. Khokhar , et al. · 2019

In this work different silicon photonic devices, including straight waveguides, multi-mode interference devices and Mach-Zehnder interferometers, were fabricated and characterized on hot-wire chemical vapor deposition (HWCVD) silicon nitri…

Laser crystallized low-loss polycrystalline silicon waveguides Open

Yohann Franz, Antoine F. J. Runge, Swe Zin Oo, Gregorio Jimenez-Martinez, N. Healy , et al. · 2019

We report the fabrication of low-loss, low temperature deposited polysilicon waveguides via laser crystallization. The process involves pre-patterning amorphous silicon films to confine the thermal energy during the crystallization phase, …

Hot-wire chemical vapor deposition low-loss hydrogenated amorphous silicon waveguides for silicon photonic devices Open

Swe Zin Oo, Antulio Tarazona, Ali Z. Khokhar, Rafidah Petra, Yohann Franz , et al. · 2019

We demonstrate low-loss hydrogenated amorphous silicon (a-Si:H) waveguides by hot-wire chemical vapor deposition (HWCVD). The effect of hydrogenation in a-Si at different deposition temperatures has been investigated and analyzed by Raman …

Raw data for paper 2D Photonic Crystal Structures in Silicon Rich Nitride Platform Open

Kapil Debnath, Thalía Domínguez Bucio, Mattéo Galli, Daniele Bajoni, Abdelrahman Al-Attili , et al. · 2017

The excel file contains experimental data for the paper “2D Photonic Crystal Structures in Silicon Rich Nitride Platform”. In particular: Figure 1b: Measured transmission and the trend in transmission of a 400 μm long W0.7 PhC waveguides i…

Low-Loss Slot Waveguides with Silicon (111) Surfaces Realized Using Anisotropic Wet Etching Open

Kapil Debnath, Ali Z. Khokhar, Stuart A. Boden, Hideo Arimoto, Swe Zin Oo , et al. · 2016

We demonstrate low-loss slot waveguides on silicon-on-insulator (SOI) platform. Waveguides oriented along the (11-2) direction on the Si (110) plane were first fabricated by a standard e-beam lithography and dry etching process. A TMAH bas…

Effect of non-conformal gold deposition on SERS related plasmonic effects Open

Swe Zin Oo, Martin D. B. Charlton · 2016

Recently, a comprehensive three dimensional computational model based on rigorous coupled wave analysis (RCWA) has been developed to investigate the properties of surface plasmons resident on metal coated arrays of inverted pyramidal pits …

A nanoporous gold membrane for sensing applications Open

Swe Zin Oo, Gloria Silva, F. Carpignano, Adnane Noual, Katrin Pechstedt , et al. · 2016

Disposable gold coated pyramidal SERS sensor on the plastic platform Open

Swe Zin Oo, Samuli Siitonen, Ville Kontturi, David Eustace, Martin D. B. Charlton · 2016

In this paper we investigate suitability of arrays of gold coated pyramids for surface-enhanced Raman scattering (SERS) sensing applications. Pyramidarrays composed of 1000 nm pit size with 1250 nm pitch lengthwerereplicated on a plastic s…

Design and fabrication of a 3D-structured gold film with nanopores for local electric field enhancement in the pore Open

James A. Grant‐Jacob, Swe Zin Oo, F. Carpignano, Stuart A. Boden, W.S. Brocklesby , et al. · 2015

Three-dimensionally structured gold membrane films with nanopores of defined, periodic geometries are designed and fabricated to provide the spatially localised enhancement of electric fields by manipulation of the plasmons inside nanopore…

Design, fabrication and optimization of large area chemical sensor based on Surface-enhanced Raman Scattering (SERS) mechanism Open

Swe Zin Oo · 2015

In recent years there has been an increasing interest in analysis and identification of complex molecules for the medical diagnostics, pharmaceutical research and homeland security applications. If these molecules are present in high conce…

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