Publications

Highlights

Complete bibliography can be found on Google Scholar.

Tuneable entangled photon pair generation in a liquid crystal

For the first time, we have demonstrated tunable generation of entangled photons in an organic material (a liquid crystal).

Vitaliy Sultanov, Aljaž Kavčič, Manolis Kokkinakis, Nerea Sebastián, Maria V. Chekhova, Matjaž Humar

Nature 631, 294–299 (2024)

Smectic and soap bubble optofluidic lasers

We demonstrated for the first time that soap (and smectic) bubbles can be used as lasers. They are employed as extremely sensitive pressure and electric field sensors.
VIDEO

Featured in Physics

Zala Korenjak, Matjaž Humar

Physical Review X 14, 011002 (2024) , PDF

Quantifying local stiffness and forces in soft biological tissues using droplet optical microcavities

We developed droplet-based optical stiffness and force sensors for the study of biological tissues.

Gregor Pirnat, Matevž Marinčič, Miha Ravnik, Matjaž Humar

PNAS 121, e2314884121 (2024) , PDF

Deep tissue localization and sensing using optical microcavity probes

In this paper we present a new method for imaging and sensing through scattering tissues, based on whispering gallery mode microresonators.

Aljaž Kavčič, Maja Garvas, Matevž Marinčič, Katrin Unger, Anna Maria Coclite, Boris Majaron, Matjaž Humar

Nature Communications 13, 1269 (2022) , PDF

Whispering-gallery-mode sensors for biological and physical sensing

In this primer we introduce various WGM sensors, sensing mechanisms, applications and experimental results.

Deshui Yu, Matjaž Humar, Krista Meserve, Ryan C. Bailey, Síle Nic Chormaic, Frank Vollmer

Nature Reviews Methods Primers 1, 83 (2021)

Topological liquid crystal superstructures as structured light lasers

We demonstrate that complex tunable microlasers emitting structured light can be generated from self-assembled topological liquid crystal superstructures.

Miha Papič, Urban Mur, Kottoli Poyil Zuhail, Miha Ravnik, Igor Muševič, Matjaž Humar

PNAS 118, e2110839118 (2021) , PDF

Intracellular microlasers

FEATURED ON THE COVER PAGE
We have demonstrated for the first time a laser embedded inside a single live human cell.
News in Science
Highlights in Nature Methods
News in Nature

Humar Matjaž and Yun Seok Hyun

Nature photonics 9, 572-576 (2015) , PDF

Electrically tunable liquid crystal optical microresonators

FEATURED ON THE COVER PAGE
Liquid crystal droplets were for the first time used as WGM microcavities, enabling electrically and temperature tunability.
News in Nature Photonics

Humar Matjaž, Ravnik Miha, Pajk Stane, Muševič Igor

Nature photonics 3, 595-600 (2009) , PDF


Full List



Tuneable entangled photon pair generation in a liquid crystal
Vitaliy Sultanov, Aljaž Kavčič, Manolis Kokkinakis, Nerea Sebastián, Maria V. Chekhova, Matjaž Humar
Nature 631, 294–299 (2024)



Edible microlasers for monitoring authenticity and quality of food and pharmaceuticals
Abdur Rehman Anwar, Maruša Mur, Georgia Michailidou, Dimitrios N. Bikiaris, Matjaž Humar
ArXiv (2024)



Intracellular biocompatible hexagonal boron nitride quantum emitters as single-photon sources and barcodes
Aljaž Kavčič, Rok Podlipec, Ana Krišelj, Andreja Jelen, Daniele Vella, Matjaž Humar
Nanoscale 16, 4691-4702 (2024), PDF



Smectic and soap bubble optofluidic lasers
Zala Korenjak, Matjaž Humar
Physical Review X 14, 011002 (2024), PDF



Quantifying local stiffness and forces in soft biological tissues using droplet optical microcavities
Gregor Pirnat, Matevž Marinčič, Miha Ravnik, Matjaž Humar
PNAS 121, e2314884121 (2024), PDF



Non-contact monitoring of glucose concentration and pH by integration of wearable and implantable hydrogel sensors with optical coherence tomography
Mimoza Naseska, Aleš Globočnik, Samuel Davies, Ali K Yetisen, Matjaž Humar
Optics Express 32, 92-103 (2024), PDF



Microcavity-and Microlaser-Based Optical Barcoding: A Review of Encoding Techniques and Applications
Abdur Rehman Anwar, Maruša Mur, Matjaž Humar
ACS photonics 10, 1202-1224 (2023), PDF



Deep tissue localization and sensing using optical microcavity probes
Aljaž Kavčič, Maja Garvas, Matevž Marinčič, Katrin Unger, Anna Maria Coclite, Boris Majaron, Matjaž Humar
Nature Communications 13, 1269 (2022), PDF



From coffee stains to uniform deposits Significance of the contact-line mobility
Aleksander Matavž, Urša Uršič, Jaka Močivnik, Dmitry Richter, Matjaž Humar, Simon Čopar, Barbara Malič, Vid Bobnar
Journal of Colloid and Interface Science 608, 1718-1727 (2022), PDF



Whispering-gallery-mode sensors for biological and physical sensing
Deshui Yu, Matjaž Humar, Krista Meserve, Ryan C. Bailey, Síle Nic Chormaic, Frank Vollmer
Nature Reviews Methods Primers 1, 83 (2021)



Topological liquid crystal superstructures as structured light lasers
Miha Papič, Urban Mur, Kottoli Poyil Zuhail, Miha Ravnik, Igor Muševič, Matjaž Humar
PNAS 118, e2110839118 (2021), PDF



Whispering Gallery-Mode Microdroplet Tensiometry
Gregor Pirnat, Matjaž Humar
Advanced Photonics Research 2, 2100129 (2021), PDF



High-Q, directional and self-assembled random laser emission using spatially localized feedback via cracks
Itir Bakis Dogru-Yuksel, Mertcan Han, Gregor Pirnat, Emir Salih Magden, Erkan Senses, Matjaž Humar, Sedat Nizamoglu
APL Photonics 5, 106105 (2020), PDF



Effect of phase transitions on liquid crystal colloids - a short review
Kottoli Poyil Zuhail, Matjaž Humar, Surajit Dhara
Liquid Crystals Reviews 8, 44–57 (2020), PDF



Optical-resonance-assisted generation of super monodisperse microdroplets and microbeads with nanometer precision
D. Richter, M. Marinčič, M. Humar
Lab on a Chip 20, 734-740 (2020), PDF



Remote and autonomous temperature measurement based on 3D liquid crystal microlasers
G. Pirnat, M. Humar, I. Muševič
Optics express, 26, 22615-22625 (2018), PDF



Lasing cancer biomarkers (News and Views)
M. Humar
Nature Biomedical Engineering 1, 682–683 (2017), PDF



Biomaterial microlasers implantable in the cornea, skin, and blood
M. Humar, A. Dobravec, X. Zhao, S. H. Yun.
Optica 4, 1080-1085 (2017), PDF



Spectral reading of optical resonance-encoded cells in microfluidics
M. Humar, A. Upadhya, S.H. Yun.
Lab on a chip 17, 2777-2784 (2017), PDF



Whispering-gallery-mode emission from biological luminescent protein microcavity assemblies
M. Humar, S. H. Yun
Optica 4, 222-228 (2017), PDF



Laser particle stimulated emission microscopy
S. Cho, M. Humar, N. Martino, S. H. Yun
Physical Review Letters 117, 193902 (2016), PDF



Optical lens-microneedle array for percutaneous light delivery
Kim, M., An, J., Kim, K.S., Choi, M., Humar, M., Kwok, S.J., Dai, T. and Yun, S.H
Biomedical Optics Express 7, 4220–4227 (2016), PDF



Color-Selective 2.5D Holograms on Large-Area Flexible Substrates for Sensing and Multilevel Security
Yetisen AK, Butt H, Mikulchyk T, Ahmed R, Montelongo Y, Humar M, Jiang N, Martin S, Naydenova I, Yun SH
Advanced Optical Materials 4, 1589-1600 (2016), PDF



Lasing properties of polymerized chiral nematic Bragg onion microlasers
Humar M., Araoka F., Takezoe H. and Muševič I.
Optics Express 24, 19237-19244 (2016), PDF



Liquid-crystal-droplet optical microcavities
M. Humar
Liquid Crystals 43, 1937-1950 (2016), PDF



Toward biomaterial-based implantable photonic devices
M. Humar, Sh. JJ Kwok , S.Y. Cho , M. Choi , A. K Yetisen, S.H. Yun
Nanophotonics 5, 60–80 (2016), PDF



Bioabsorbable polymer optical waveguides for deep-tissue photomedicine
S. Nizamoglu, M. C. Gather , M. Humar, M. Choi , S. Kim, K. S. Kim, S. K. Hahn, G. Scarcelli, M. Randolph, RW Redmond, S. H. Yun
Nature Communications 7, 10374 (2016), PDF



Photonic hydrogel sensors
A. K. Yetisen, L. R. Volpatti, K. S. Kim, H. Koo, M. Humar, Sh. J. J. Kwok, S. Cho , H. Butt, I. Naydenova, M. Kolle, A. Khademhosseini, S. K. Hahn, S. H. Yun
Biotechnology Advances 34, 250-271 (2016), PDF



Step-Index Optical Fiber Made of Biocompatible Hydrogels
M. Choi, M. Humar, S. Kim, S. H. Yun
Advanced materials 27, 4081-4086 (2015), PDF



A simple approach to biological single-cell lasers via intracellular dyes
Nizamoglu Sedat, Lee Kyung-Bok, Gather Malte C., Kim Ki Su, Jeon Mijeong, Kim Seonghoon, Humar Matjaž and Yun Seok Hyun
Advanced optical materials 3, 1197-1200 (2015), PDF



Intracellular microlasers
Humar Matjaž and Yun Seok Hyun
Nature photonics 9, 572-576 (2015), PDF



Cellular dye lasers; lasing thresholds and sensing in a planar resonator
Humar Matjaž, Gather Malte C. and Yun Seok Hyun
Optics express 23, 27865-27879 (2015), PDF



Resonant transport of light from planar polymer waveguide into liquid-crystal microcavity
Jampani Venkata Subba R., Humar Matjaž, Muševič Igor
Opt. express 20, 20506-20516 (2013), PDF



Surfactant sensing based on whispering-gallery-mode lasing in liquid-crystal microdroplets
Humar Matjaž, Muševič Igor
Opt. express 19, 19836-19844 (2011), PDF



Direct and inverted nematic dispersions for soft matter photonics
Škarabot Miha, Muševič Igor, Humar Matjaž
J. phys., Condens. matter 23, 284112-1-284112-7 (2011), PDF



3D microlasers from self-assembled cholesteric liquid-crystal microdroplets
Humar Matjaž, Muševič Igor
Opt. express 18, 26995-27003 (2010), PDF



Electrically tunable liquid crystal optical microresonators
Humar Matjaž, Ravnik Miha, Pajk Stane, Muševič Igor
Nature photonics 3, 595-600 (2009), PDF



Electrically tunable diffraction of light from 2D nematic colloidal crystals
Humar Matjaž, Škarabot Miha, Ravnik Miha, Žumer Slobodan, Poberaj Igor, Babič Dušan, Muševič Igor
The European physical journal E 27, 73-79 (2008)



Mechanical properties of titania-derived nanoribbons
Humar Matjaž, Arčon Denis, Umek Polona, Škarabot, Miha, Muševič Igor, Bregar Gregor
Nanotechnology 17, 3869-3872 (2006)



Patents


Spherical liquid-crystal laser
I. Muševič, M. Humar
EP2638604B1