April 3, 2019. Ken’s paper is published in Light: Science and Applications!

“Quo vadis, plasmonic optical tweezers,” by Kenneth B Crozier, Light: Science and Applications 8, 35 (2019)

March 4, 2019. Nima’s paper is published in Applied Physics Letters!

“Bull’s eye grating integrated with optical nanoantennas for plasmonic enhancement of graphene long-wave infrared photodetectors,” by Nima Sefidmooye Azar, Vivek Raj Shrestha, and Kenneth B Crozier, Applied Physics Letters 114, 091108 (2019)

March 1 2019. Zhe (Kelvin) Xu submits his finished Ph.D. thesis for review.

Congratulations Kelvin!

Kelvin with his celebratory balloon after submitting his Ph.D. thesis.

February 18, 2019. Kelvin’s paper is published in Optics Express!

“All-dielectric nanotweezers for trapping and observation of a single quantum dot,” by Zhe Xu and Kenneth B Crozier, Optics Express 27, 4034 (2019)

February 5, 2019. Shi Qiang’s paper is published in ACS Photonics!

“Vertical Ge-Si Nanowires with Suspended Graphene Top Contacts as Dynamically-tunable Multispectral Photodetectors,” by Shi Qiang Li, Amit Solanki, Jacopo Frigerio, Daniel Chrastina, Giovanni Isella, Changxi Zheng, Arman Ahnood, Kumaravelu Ganesan, and Kenneth B Crozier, ACS Photonics

December 9-13 2018.  Group makes a number of presentations at the Australian Institute of Physics Congress in Perth:

a). Ken gives an invited presentation on “Engineering light-matter interactions at the nanoscale”

b). Jasper gives a contributed presentation on “All-Si vertical slab waveguide arrays as wavelength selective photodetectors”

c). Jiajun gives a contributed presentation on “Vertically stacked silicon nanowire photodetectors for spectral reconstruction”

For this work, Jiajun wins “AOS-OSA Best Student Paper Prize” of the AOS/ACOFT Conference that was part of the AIP Congress.  Jiajun receives the award, comprising a certificate and a USD $1250 travel grant, from the OSA President (Prof Ian Walmsley) at the Congress on December 12.  CONGRATULATIONS JIAJUN!

Jiajun with his award from OSA and AOS at the 2018 AIP Congress in Perth, Australia.


December 6-7 2018. Ken gives an invited presentation at the Optics & Photonics Taiwan International Conference (OPTIC) in Tainan.  He also gives an invited lecture to the Photonics Department at National Cheng Kung University.

November 6 2018. Kelvin’s paper is published in ACS Photonics!

“Optical Trapping of Nanoparticles Using All-Silicon Nanoantennas,” Zhe Xu, Wuzhou Song, and Kenneth B. Crozier, ACS Photonics (2018)

September 13, 2018. Ben’s paper is published in Optics Letters!

“Experimental demonstration of infrared spectral reconstruction using plasmonic metasurfaces,” by Benjamin Craig, Vivek Raj Shrestha, Jiajun Meng, Jasper J. Cadusch and Kenneth B. Crozier

August 28, 2018. Ken delivers a keynote presentation at the 26th International Conference on Raman Spectroscopy (ICORS) in Jeju, South Korea

August 27, 2018. Paper with the group of Prof Ali Javey is published in Nature Photonics!

“Polarization-resolved black phosphorus/molybdenum disulfide mid-wave infrared photodiodes with high detectivity at room temperature,” by James Bullock, Matin Amani, Joy Cho, Yu-Ze Chen, Geun Ho Ahn, Valerio Adinolfi, Vivek Raj Shrestha, Yang Gao, Kenneth B Crozier, Yu-Lun Chueh, Ali Javey

August 14, 2018. Postdoctoral research fellow in nano-optics position now open (applications close October 14, 2018). See  Opportunities page for details.

July 5, 2018.  Vivek makes an oral presentation at the OSA Advanced Photonics Conference in Zurich on “Electrical tuning of reflectance of graphene metasurface for unpolarized long wavelength infrared light”

June 25, 2018  Mike’s paper is published in Physical Review B!

“Origin of the anapole condition as revealed by a simple expansion beyond the toroidal multipole,” by Shi-Qiang Li and Kenneth B. Crozier

June 18, 2018  Paper with the group of Prof Ali Javey is published in ACS Nano!

Solution-Synthesized High-Mobility Tellurium Nanoflakes for Short-Wave Infrared Photodetectors,” by Matin Amani, Chaoliang Tan, George Zhang, Chunsong Zhao, James Bullock, Xiaohui Song, Hyungjin Kim, Vivek Raj Shrestha, Yang Gao, Kenneth B Crozier, Mary Scott, and Ali Javey

30 May 2018  Kelvin’s paper on optical nanotweezers is published in ACS Photonics!

“Direct particle tracking observation and Brownian dynamics simulations of a single nanoparticle optically trapped by a plasmonic nanoaperture,” Zhe Xu, Wuzhou Song, and Kenneth B. Crozier

24 May 2018 Our paper is published in IEEE JSTQE!

“Controlling the Light Absorption in a Photodetector Via Nanowire Waveguide Resonances for Multispectral and Color Imaging,” Kenneth Crozier, Kwanyong Seo, Hyusung Park, Amit Solanki, and Shi-Qiang Li


(left to right): Dr Evgeniy Panchenko and Crozier group members Jasper, Ben, Ken, Ming and Kelvin.


May 13-18, 2018.  Crozier group members present at the Conference on Lasers and Electro-Optics (CLEO) in San Jose, CA, USA.  Ben, Kelvin, Ming, and Jasper make the following oral presentations (and Ken presides over a session):

i). B.J. Craig, V.R. Shrestha, J. Meng, and K.B. Crozier,  “Experimental Demonstration of Mid-Infrared Computational Spectroscopy with a Plasmonic Filter Array”
ii). Z. Xu and K.B. Crozier, “Controlled optical trapping and  transport of a single 100 nm particle across an array of silicon  nanoantennas”
iii). M. Ye, S. Li, Y. Gao, V.R. Shrestha, and K.B. Crozier,  “Mid-infrared Magnetic Mirror Based on a Hybrid Metal/Dielectric  Metasurface”
iv). J. Cadusch, J. Meng, and K.B. Crozier, “Nanostructured Fishnet  Silicon Photodetector Pixels as a Fully- Contained Microspectrometer Chip”


April 30, 2018 Mike’s paper is published in ACS Photonics!

“Generalized Method of Images and Reflective Color Generation from Ultrathin Multipole Resonators,” Shi-Qiang Li, Wuzhou Song, Ming Ye, and Kenneth B Crozier

March/April 2018.  According to Web of Science (with data from Essential Science Indicators), the following nine papers are “Highly Cited in the Field”.

The definition from Web of Science is as follows:

“Highly Cited Papers received enough citations as of March/April 2018 to place them in the top 1% of their academic fields based on a highly cited threshold for the field and publication year.”

a). “Quantum mechanical effects in plasmonic structures with subnanometre gaps”, Wenqi Zhu, Ruben Esteban, Andrei Borisov, Jeremy Baumberg, Peter Nordlander, Henri Lezec, Javier Aizpurua, and Kenneth Crozier, Nature Communications, vol. 7, 11495 (2016)

b). “Quantum mechanical limit to plasmonic enhancement as observed by surface-enhanced Raman scattering”, Wenqi Zhu and Kenneth B. Crozier, Nature Communications, vol 5, 5228 (2014);

c). “Digital Cameras With Designs Inspired By the Arthropod Eye,” Young Min Song, Yizhu Xie, Viktor Malyarchuk, Jianliang Xiao, Inhwa Jung, Ki-joong Choi, Zhuangjian Liu, Hyunsung Park, Rak-Hwan Kim, Kenneth B. Crozier, Yonggang Huang, John A. Rogers, Nature vol 497, pp. 95-99 (2013)

d). “Chromatic Plasmonic Polarizers for Active Visible Color Filtering and Polarimetry,” Tal Ellenbogen, Kwanyong Seo, and Kenneth B. Crozier, Nano Letters vol. 12, pp. 1026-1031 (2012);

e). “Trapping and rotating nanoparticles using a plasmonic nano-tweezer with an integrated heat sink,” Kai Wang, Ethan Schonbrun, Paul Steinvurzel & Kenneth B. Crozier, Nature Communications vol. 2, 469 (2011)

f). “Dramatic Reduction of Surface Recombination by in Situ Surface Passivation of Silicon Nanowires ,” Yaping Dan, Kwanyong Seo, Kuniharu Takei, Jhim H. Meza, Ali Javey, and Kenneth B. Crozier,” Nano Letters vol. 11, 2527 (2011);

g). “Multicolored Vertical Silicon Nanowires,” Kwanyong Seo, Munib Wober, Paul Steinvurzel, Ethan Schonbrun, Yaping Dan, Tal Ellenbogen, and Kenneth B. Crozier, Nano Letters vol. 11, pp. 1851–1856 (2011)

h). ” Controlling the near-field oscillations of loaded plasmonic nanoantennas,” M. Schnell, A. Garcıa-Etxarri, A. J. Huber, K. Crozier, J. Aizpurua and R. Hillenbrand, Nature Photonics vol. 3, 287 (2009)

i). ” Experimental observation of narrow surface plasmon resonances in gold nanoparticle arrays,” Yizhuo Chu, Ethan Schonbrun, Tian Yang and Kenneth B. Crozier, Applied Physics Letters vol. 93, 181108 (2008)