Dr. Tomasz J. Ochalski Profile

Dr. Tomasz J. Ochalski

Senior Research Fellow at Cork Institute of Technology

SPIE Involvement:

Author

Publications (15)

Proceedings Article | 12 September 2019 Presentation + Paper

Carrier and refractive index dynamics in core-shell nanolasers grown on silicon during spontaneous and stimulated emission

Tomasz Ochalski, Juan S. Morales, Shumithira Gandan, Diana Huffaker, Hyunseok Kim, Liam O'Faolain

Proceedings Volume 11081, 110812B (2019) https://doi.org/10.1117/12.2529494

KEYWORDS: Silicon, Refractive index, Indium gallium arsenide, Optoelectronics, Group III-V semiconductors, Nanostructures, Luminescence, Interfaces, Temperature metrology, Carrier dynamics

Read Abstract +

Proceedings Article | 8 March 2019 Presentation

Photonic and phononic properties of the photoluminescent diamond lattice before and after implantation (Conference Presentation)

Sini Nanadath Shibu, Dzianis Saladukha, Kang An, Tomasz Ochalski

Proceedings Volume 10927, 109270Q (2019) https://doi.org/10.1117/12.2510735

KEYWORDS: Diamond, Raman spectroscopy, Luminescence, Biosensing, Raman scattering, Scattering, Phonons, Crystals, Chemistry, Carbon

Read Abstract +

Proceedings Article | 14 March 2018 Presentation

Single-mode lasing in InGaAs nanopillars on SOI (Conference Presentation)

Juan Salvador Dominguez Morales, Hyunseok Kim , Shumithira Gandan, David Williams, Wook-Jae Lee, Diana Huffaker, Tomasz Ochalski

Proceedings Volume 10543, 1054304 (2018) https://doi.org/10.1117/12.2286320

KEYWORDS: Silicon, Indium gallium arsenide, Luminescence, Optoelectronics, Group III-V semiconductors, Nanostructures, Modes of laser operation, Interfaces, Singular optics, Carrier dynamics

Read Abstract +

Proceedings Article | 14 March 2018 Presentation

Redshift of lasing modes in time-resolved spectra for GaAs-AlGaAs core-shell nanowires lasers on silicon (Conference Presentation)

Juan Salvador Dominguez Morales, Thomas Stettner, Shumithira Gandan, David Williams, Gregor Koblmueller, Jonathan Finley, Tomasz Ochalski

Proceedings Volume 10537, 1053713 (2018) https://doi.org/10.1117/12.2286315

KEYWORDS: Silicon, Nanowires, Picosecond phenomena, Luminescence, Refractive index, Semiconductor lasers, Gallium arsenide, Group III-V semiconductors, Light sources, Optoelectronics

Read Abstract +

Proceedings Article | 20 February 2017 Presentation + Paper

Optical study of strain-free GeSn nanowires

Dzianis Saladukha, Jessica Doherty, Subhajit Biswas, Tomasz Ochalski, Justin Holmes

Proceedings Volume 10108, 101081C (2017) https://doi.org/10.1117/12.2252628

KEYWORDS: Nanowires, Tin, Silicon, Germanium, Luminescence, Chemical vapor deposition, Silicon photonics, Optical properties, Chemical species, Liquids, Gold, Photonics, Temperature metrology, Chemistry, Metals

Read Abstract +

Proceedings Article | 20 February 2017 Presentation + Paper

Optical spectroscopy of p-GaAs nanopillars on Si for monolithic integrated light sources

J. S. D. Morales, S. Gandan, D. Ren, Tomasz Ochalski, Diana Huffaker

Proceedings Volume 10114, 1011409 (2017) https://doi.org/10.1117/12.2252507

KEYWORDS: Signal attenuation, Silicon, Optical properties, Optical spectroscopy, Light sources, Silicon photonics, Nanostructures, Optoelectronics, Optical communications, Semiconductor lasers, Crystals, Gallium arsenide, Luminescence

Read Abstract +

Proceedings Article | 20 February 2017 Presentation + Paper

Laser and transistor material on Si substrate

Dzianis Saladukha, Tomasz Ochalski, Felipe Murphy Armando, Michael Clavel, Mantu Hudait

Proceedings Volume 10108, 101080E (2017) https://doi.org/10.1117/12.2252383

KEYWORDS: Germanium, Silicon, Transistors, Luminescence, Indium gallium arsenide, Silicon photonics, Semiconductors, Optical interconnects, Energy efficiency, Photonic integrated circuits, Gallium arsenide, Laser applications, Semiconductor lasers, Spectroscopy, Solids

Read Abstract +

Proceedings Article | 20 February 2017 Presentation + Paper

Sub-wavelength gratings for mid-infrared wavlength range around 10 microns

Brian Hogan, Stephen Hegarty, Liam Lewis, Javier Romero Vivas, Tomasz Ochalski, Guillaume Huyet

Proceedings Volume 10113, 101130D (2017) https://doi.org/10.1117/12.2251937

KEYWORDS: Reflectors, Optical design, Electron beam lithography, Mirrors, Optical components, Optical filters, Polarizers, Telecommunications, Biological research, Biosensing, Reflectivity, Germanium, Refractive index, Etching, Optical lithography, Silicon, Lithography, Photoresist materials, Mid-IR

Read Abstract +

Proceedings Article | 4 March 2016 Paper

Pushing the limits of silicon transistors

Dzianis Saladukha, Tomasz Ochalski, Felipe Murphy-Armando, Michael Clavel, Mantu Hudait

Proceedings Volume 9742, 974211 (2016) https://doi.org/10.1117/12.2209606

KEYWORDS: Germanium, Silicon, Transistors, Indium gallium arsenide, Luminescence, Silicon photonics, Field effect transistors, Gallium arsenide, Laser applications, Spectroscopy, Solids, Mirrors

Read Abstract +

Proceedings Article | 13 February 2016 Paper

Heterogeneously grown tunable group-IV laser on silicon

Mantu Hudait, M. Clavel, L. Lester, D. Saladukha, T. Ochalski, F. Murphy-Armando

Proceedings Volume 9755, 97550Y (2016) https://doi.org/10.1117/12.2218364

KEYWORDS: Silicon, Germanium, Quantum wells, Tunable lasers, Semiconductor lasers, Photonic devices, Silicon photonics, Quantum dot lasers, Quantum dots, Optoelectronics, Gallium arsenide, X-rays, CMOS technology, Composites, Transmission electron microscopy

Read Abstract +

Proceedings Article | 27 February 2015 Paper

Complex emission dynamics from InGaAs/GaAs core-shell nanopillars

Katarzyna Komolibus, Adam Scofield, Tomasz Ochalski, Bryan Kelleher, David Goulding, Diana Huffaker, Guillaume Huyet

Proceedings Volume 9373, 93730A (2015) https://doi.org/10.1117/12.2080269

KEYWORDS: Picosecond phenomena, Indium gallium arsenide, Indium, Luminescence, Gallium arsenide, Silicon photonics, Optical properties, Scanning electron microscopy, Silicon, Interfaces

Read Abstract +

Proceedings Article | 28 April 2010 Paper

40-GHz GaInNAs-based passively mode-locked laser diode

K. Haring, J. Thoma, T. Ochalski, S. Hegarty, J. Puustinen, J. Viheriälä, G. Huyet, M. Guina

Proceedings Volume 7720, 772017 (2010) https://doi.org/10.1117/12.854473

KEYWORDS: Gallium arsenide, Quantum wells, Mode locking, Semiconductor lasers, Picosecond phenomena, Silicon, Waveguides, Cladding, Luminescence, Etching

Read Abstract +

Proceedings Article | 5 March 2008 Paper

Analysis of facet heating in semiconductor lasers

D. Wawer, T. Ochalski, K. Pierściński, M. Szymański, M. Bugajski, Ł. Piskorski, K. Gutowski, A. Kozłowska, A. Maląg

Proceedings Volume 7009, 70090C (2008) https://doi.org/10.1117/12.793319

KEYWORDS: Semiconductor lasers, Mirrors, Laser beam diagnostics, Temperature metrology, Near field, Gallium arsenide, Free space optics, Absorption, Luminescence, Raman spectroscopy

Read Abstract +

Proceedings Article | 6 October 2003 Paper

InGaAs resonant-cavity light-emitting diodes (RC LEDs)

Jan Muszalski, Maciej Bugajski, T. Ochalski, Bohdan Mroziewicz, Hanna Wrzesinska, Marianna Gorska, J. Katcki

Proceedings Volume 5230, (2003) https://doi.org/10.1117/12.531927

KEYWORDS: Light emitting diodes, Interfaces, Quantum wells, Diodes, Solids, Reflectivity, Optical microcavities, Semiconducting wafers, Gallium arsenide, Indium gallium arsenide

Read Abstract +

Proceedings Article | 13 June 1997 Paper

Detection of oxygen in porous silicon by nuclear reaction 16O(alpha,alpha)16O

Miroslaw Kulik, J. Zuk, H. Krzyzanowska, T. Ochalski, A. Kobzev

Proceedings Volume 3179, (1997) https://doi.org/10.1117/12.276196

KEYWORDS: Silicon, Oxygen, Crystals, Hydrogen, Chemical species, Laser scattering, Scattering, Particles, Backscatter, Oxidation

Read Abstract +

Showing 5 of 15 publications

View contact details

UPDATE YOUR PROFILE

Is this your profile? Update it now.

Sign into your SPIE.org account

Don’t have a profile and want one?

Create an account on SPIE.org

Keywords/Phrases

Search In:

Publication Years