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Group Photo 2017 Current Group Members: Dr. Siew Li TAN, Ms. Habeebunissa d/o Mohamed Ellia, Dr. Aaron DANNER, Mr. Eric CHEUNG, Mr. JIANG Menghua, Dr. Neeraj Dwivedi, Mr. Jayce Lim, Miss Gurleen Kaur, and Dr. SIEW Shawn Yohanes (left to right)
2016 Group Members: JIANG Menghua, Eric CHEUNG, PHUA Wee Kee, Dr. Aaron DANNER, and Shawn SIEW (left to right) Group Photo 2016
2014 Group Members: (back row, from left) HL DAO, HUANG Jian, Sajid HUSSAIN, DENG Jun, Dr. Tang Zhixiang (visiting scholar); (front row, from left) SIEW Shawn Yohannes, Alireza AKBARZADEH, Dr. Aaron DANNER, Dr. Alex Crosse (visiting scholar), Patrick TUNG and M. Qasim MEHMOOD (not pictured) Group Photo 2014
2012 Group Members: (from left) DAO Duc Huan, SIEW Shawn Yohannes, DENG Jun, Sajid HUSSAIN, Dr. Aaron DANNER, Jordan KODNER, Mridul SAKHUJA, Elaine WONG (left 8/2012), and Alireza AKBARZADEH (not pictured) Group Photo 2012
2011 Group Members: (back row) Sneha GOYAL (intern), XIN Maoqing, DENG Jun, SI Guanyuang, Alireza AKBARZADEH, Dr. Aaron DANNER, Noriaki Toyoda (visiting professor), Mridul SAKHUJAR, Sajid HUSSAIN, (front row) LE Hong Vu, Kensuke Sumie and Takashi Furuya (visiting students), LI Guanquan, Lamine BENAISSA, and Elaine WONG (not pictured). Group Photo July 2011
2010 Group Members: (back row) LI Chuang, XIN Maoqing, LE Hong Vu, SI Guangyuan, Lamine BENAISSA, Towhidur RAZZAK, Mridul SAKHUJAR, Dr. Aaron DANNER, Alireza AKBARZADEH (front row) LIANG Guanquan, Wei JIA, DENG Jun, Lenka HERZANOVA, Elaine WONG, and HUANG Jian (not pictured). Group Photo August 2010
Prof. Aaron Danner

This page lists current and former members of our research group. This site was last updated May 27, 2014.

Aaron Danner is employed as an Associate Professor at the National University of Singapore. Along with NUS, he has been employed at Agilent (then Avago Technologies, now Broadcom), where his research projects included efficient LED surface structures and development of vertical cavity surface emitting lasers (VCSELs). Prior to joining Avago, he was a visiting member of the Microsystem Research Center at Tokyo Institute of Technology, where he investigated high speed characteristics of VCSELs. He received his B.S. degree in Electrical Engineering from the University of Missouri-Columbia, and completed his graduate studies in Electrical Engineering at the University of Illinois at Urbana-Champaign. He is a fellow of the U.S. National Science Foundation and a Senior Member of the IEEE-Lasers and Electro-Optics Society (LEOS) and the Optical Society of America (OSA). He holds 1 patent and has published over 60 journal articles and 90 conference papers in his career. A passionate teacher, Dr. Danner was the winner of the Engineering Educator Award from the Faculty of Engineering and has been awarded the NUS Annual Teaching Excellence Award multiple times. In his spare time, he enjoys restoring antique electronic items (like tube radios), playing piano, swimming year round in Singapore, traveling, and learning languages.



Dept. of Electrical and Computer Engineering
National University of Singapore
4 Engineering Drive 3
Singapore 117576
Tel: (+65) 6516-2111
Fax: (+65) 6779-1103
E-mail:
Mr. JIANG Menghua

Menghua was born in China and lived in China and Singapore for most of his life. He received a BEng degree from the Engineering Science Program (ESP) of the National University of Singapore in 2014. He is currently pursuing a PhD degree under the supervision of Prof Qiu Chengwei and Prof Aaron Danner. His research interests include holography, metamaterials and computational electromagnetics. He has a wide range of hobbies, including boxing, swimming, fine arts and flute.

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Tel: (+65) 6516-2502
Contact: a0073133 followed by u.nus.edu
Mr. Eric CHEUNG Jun Hao

Eric was born and grew up in Singapore. He obtained his BEng degree from the Engineering Science Programme from National University of Singapore (NUS) in 2015 with a specialization in the field of photonics and optics. He is currently pursuing his Ph.D degree under Assoc Prof Aaron Danner and Asst. Prof Tsang Mankei in the Department of Electrical and Computer Engineering in NUS. In his spare time, he enjoys swimming and watching movies.

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Tel: (+65) 6516-2502
E-mail:
Dr. SIEW Shawn (Yohanes)

Siew Shawn Yohanes was born in Kuala Lumpur, Malaysia and lived in various cities around the country for half of his life. The other half was in Hong Kong, where he obtained a BEng from the University of Hong Kong. He worked at Telekom Malaysia for a year prior to joining NUS. He is currently pursuing his Ph.D degree under Dr. Aaron Danner’s supervision in the field of lasers. He enjoys hiking, diving, and playing crazyhouse chess and occasionally programs in his spare time.

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Dr. Neeraj DWIVEDI

Neeraj was born and grew up in Kanpur, India. He obtained his bachelor in science (BSc) and master in science (MSc, Physics) degrees in 2005 and 2007, respectively from Kanpur University. He then went to Delhi, India where he started his Ph.D in Physics from Indian Institute of Technology (IIT) Delhi. He completed his PhD in 2013, and received SJSS Sodha award for best thesis from department of physics IIT Delhi. After completing his PhD, he joined spin and energy (SEL) lab at National University of Singapore (NUS) as a postdoctoral research fellow with Prof. C. S. Bhatia in June 2013. He worked with Prof Bhatia for about 4 years. Neeraj joined Prof Aaron’s research group at NUS as a post-doctoral research fellow in July 2017. His research interest includes the development of smart ultrathin coatings for improving surface passivation of silicon solar cells, and reducing friction, wear and corrosion concerns of a number of moving mechanical systems including but not limited to magnetic storage devices. He is more interested in understanding the fundamental mechanisms and developing model systems for afore-mentioned properties of the coatings with the help of many spectroscopic and microscopic tools such as Raman spectroscopy, Auger electron spectroscopy (AES), X-ray photoelectron spectroscopy (XPS), electron energy loss spectroscopy (EELS), time-of-flight secondary ion mass spectrometry (TOF-SIMS), high resolution transmission electron microscopy (HRTEM) and so on.

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Dr. TAN Siew Li
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Ph.D. Alumnus: Prof. M. Qasim Mehmood

(Updated 2017) Dr. M. Qasim Mehmood has received his BS degree in Electronic Engineering from International Islamic University Islamabad (IIUI) in 2008. Same year he started his MS from Ghulam Ishaq Khan Institute (GIKI) and joined there as a Lecturer upon completion of his MS in 2010. He served as a lecturer at GIKI till joining as a PhD scholar, in Electrical and Computer Engineering from National University of Singapore, in July 2011. He completed his PhD, in January 2016, under the supervision of Prof. Cheng-wei Qiu, Prof. Aaron Danner and Dr. Teng Jinghua. His research interests were in the area of optics and nano-photonics: more precisely it included the demonstration of exotic phenomena (via ultra-thin nano-structured devices) e.g., on-chip orbital angular manipulation, beam-steering, spin-orbital coupling, three dimensional holography, polarization filtering and light absorption etc. All of his work incorporated vigorous theoretical modelling, numerical calculations and experimental investigations. He gained considerable experience of nano-fabrications at Institute of Material Research Engineering (IMRE) A*STAR Singapore and Spin Energy Lab (SEL) NUS Singapore. His PhD research works were published in prestigious journals such as Advanced Materials, Advanced functional Materials, Laser Photonics Reviews and Advanced Optical Materials etc. Currently, he is working as an Assistant Professor (since Feb 2016) and heading NanoTech research-lab (http://nanotechlab.itu.edu.pk/) at Information Technology University of the Punjab Lahore, Pakistan. NanoTech lab earned notable repute, of high impact and quality research, in a short-span. Since its establishment in March 2016, it has produced significant works in world’s well-known ISI-indexed journals such as Advanced Functional Materials, ACS Nano, Light Science & Applications, Optics Letter, Applied Physics Letters, Annalen der Physik and Chinese Physics Letters etc. Its research-scope spans over the broad range of emerging areas form fundamental investigations to innovative applications. On the fundamental side, areas like applied electromagnetic, microwave engineering, antenna engineering, semiconductors, nano-optics and nano-photonics, plasmonic metamaterials and nano-antennas are targeted. On the applied side, microwave system and antennas are designed and developed for various applications such as communication, radar front-end and bio-imaging etc. He has active research collaborations locally (with LUMS, NUST and GIKI) and internationally (with NUS, POSTECH, SUTD and Wuhan University) where his students (MS and PhD) and research associates travel for research attachments.

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E-mail: m.q.mehmood@ieee.org
Ph.D. Alumnus: Dr. PHUA Wee Kee

Wee Kee was born and grew up in Singapore. He received the B.S. degree in electrical and electronics engineering from Nanyang Technological University (NTU) in 2009. After graduation, he joined the Institute of High Performance Computing (IHPC), A*Star as a research engineer in August 2009. He is currently pursuing a part time Ph.D degree in electrical and computer engineering from the National University of Singapore (NUS) under the supervision of Dr. Bai Ping and Prof. Aaron Danner. His research interests include the use of plasmonics for on-chip optical devices.

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Ph.D. Alumnus: Dr. Sajid Hussain

Sajid Hussain was born and grew up in Gujranwala, Pakistan. He received his BSc Engineering degree in Electronics & Communication Engineering from University of Engineering & Technology Lahore, 2008. He worked as lab Engineer in University of management & technology Lahore, Pakistan for 1 year. In August 2009, he started MSc in NUS in ECE department. He got his Masters degree in May 2010 in Electrical Engineering with specialization in Communication. He worked as a Research Engineer in ECE department for 6 months. In January 2011, he joined ECE for his PhD in Microelectronics. Now worked under Prof. Aaron Danner to develop a nano-aperture laser for HAMR based high areal density magnetic storage, and as of August, 2015, is a postdoctoral researcher in Prof. Anders Larrson's group in Chalmers (Sweden).

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Ph.D. Alumnus: Dr. TUNG Kar Hoo (Patrick)

Patrick was born in Singapore and grew up on this little island. He obtained his B.Eng. degree in NUS in 2010. In August 2010, he started his Ph.D. programme in the Electrical & Computer Engineering Department of NUS, completing his studies in early 2015. His research topic included epitaxial growth of III-V semiconductor quantum dots, quantum rings and self-assembly nano structures. Meanwhile during his leisure time, he pursues his interests in analogue photography from the developing of film to the printing of his photos in the darkroom. He now works for the Singapore Patent Office as a patent examiner.

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Ph.D. Alumnus: Dr. HUANG Jian

Huang Jian was born and grew up in Shenyang, Liaoning Province, China. In June 2010, he received his B.S. from the School of Physics, Nankai University, China. After that, he came to the Electrical & Computer Engineering Department of NUS to pursue his Ph.D. studies, which he completed in early 2015. His topic was in the field of excitation of plasmons with semiconductor quantum dots. He is now with Singapore Institute of Technology (SIT).

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Staff Alumnus: Ms. HL Dao

HL got her Bachelor's Degree in Electrical and Electronic Engineering from Nanyang Technological University in 2008, and her Master Degree in Theoretical Physics from University of Twente (the Netherlands) in 2011. In between and after her degrees, she has worked in both the semiconductor industry and in different areas of academic research, raging from Experimental Quantum Optics to Theoretical High Energy Physics and Cosmology. She joined our research group from December 2013 - early 2015 to pursue a research topic in theoretical gradient-index optics, which was successfully completed. She continues to interact closely with the group in her new position as a research theorist at NUS.

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Tel: (+65) 6516-2502
E-mail: eledhl@nus.edu.sg
Ph.D. Alumnus: Dr. Mridul Sakhuja

Mridul Sakhuja was born in New Delhi, India. He received his BSc (Hons) degree from University of Delhi in 2009. After that he joined NUS as a graduate student from January 2010 and is working in the field of Solar Cells. He graduated from NUS in May 2014 with a PhD in Electrical Engineering and he's now working at the Solar Energy Research Institute of Singapore.

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Tel: (+65) 6516-6538
E-mail: a0066491@nus.edu.sg
Visiting Scholar Alumnus: Associate Professor TANG Zhixiang

Tang Zhixiang received his Ph.D. degree in Optical Engineering from Shanghai Institute of Optics and Fine Mechanics (SIOM), Chinese Academic of Science (CAS), China. Upon completing his PhD studies at SIOM in 2007, he joined the faculty at Hunan University in Changsha, Hunan Province, China. From Oct. 2013 to Oct. 2014, he worked as a visiting scholar in this group. His research focus includes linear and nonlinear optical properties of man-made nanostructures such as photonic crystals and metamaterials. In his spare time, he enjoys music, playing table tennis, and traveling.

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Ph.D. Alumnus: Dr. Alireza Akbarzadeh

Alireza Akbarzadeh was born in 1984 in one of the loveliest cities of Iran, Shiraz, which is famous for its gardens, ancient monuments and poets. In 2002, he entered Shiraz University and in 2006 he could get his B.S. in electrical and electronic engineering. Achieving the International Graduate Scholarship (IGS) from the Agency for Science, Technology and Research (A*STAR) in August 2006, he traveled to Singapore to pursue his Master studies in Nanyang Technological University (NTU). His M.Eng. thesis was on the design of electrically small antennas with the use of metamaterials successfully in 2009. He then completed his Ph.D. studies in National University of Singapore (NUS) as a SINGA (Singapore International Graduate Award) scholar. Alireza now works as a postdoctoral researcher with his time divided between the Foundation for Research and Technology - Hellas (FORTH) in Greece and Iowa State University in the U.S.

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Ph.D. Alumnus: Dr. DENG Jun

Deng Jun was born and grew up in Sichuan Province of China, famous for pandas and Mount Emei. He received his B.Sc. degree from the Department of Electronic Information Science and Technology at the University of Electronic Science and Technology of China (UESTC) in 2008. He is currently pursuing his Ph.D. degree under Dr. Aaron Danner’s supervision in the Department of Electrical and Computer Engineering, National University of Singapore. He is also a student member of the IEEE Photonics Society. His current research interests are focused on advanced photonic devices such as optical waveguides, solar cells, optical MEMS and modulators. Deng Jun graduated from NUS in May 2014 with a PhD in Electrical Engineering and after a one-year postdoctoral fellowship in Professor's Tsang Mankei's Quantum Optics Group, he is now employed full time at SIEMENS (as of March, 2015).

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Staff Alumnus: Mr. Dao Duc Huan

Dao Duc Huan was born and raised in Ho Chi Minh city, Vietnam, he has a deep enthusiasm for science and technology. After graduation from high school, he went to National University of Singapore to study electrical engineering and physics, where he graduated in 2010 with Bachelor of Engineering degree in Electrical Engineering. After that he worked in Global Foundries as an product engineer. He worked under Dr. Aaron Danner on optics.

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Staff Alumnus: Dr. Guanquan LIANG

GUANQUAN was born in Guangzhou, China. He received his B.S. degree in Physics in 2003 from School of Physics Science and Engineering, Sun Yat-sen University, Guangzhou, China; and Ph.D. degree in Optics in 2008 from State Key Laboratory Of Optoelectronics and Materials in the same university. During his Ph.D. study, his advisor is Prof. Hezhou Wang, and research direction is resonant mode design for photonic crystals, and holographic fabrication of photonic microstructures and their application. From Oct. 2008 to May 2010, he worked as a post-doc researcher in Material Science and Engineering at University of Pennsylvania, USA. During this period, his advisor was Prof. SHU YANG, and he successfully fabricated diamond symmetry photonic crystals with lattice constant in the scale of 1 micron by holographic lithography. From July 2010 to August 2012, he was part of Prof. Aaron Danner’s group, working on the Si photonics project with integration of MEMS/NEMS. He's now at Nanyang University of Technology. He loves music and taking photos.

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Staff Alumnus: Ms. Elaine WONG

Elaine was born in the northern part of peninsular Malaysia, in a town named Ipoh. She graduated with a B. Eng. degree in Computer Engineering from the Department of Electrical & Computer Engineering at NUS in Dec 2009. Then she worked as a research engineer at the Center for Optoelectronics focusing on photonic crystal based silicon photonic devices. Elaine is now a graduate student at the Okinawa Institute of Science and Technology (OIST) in Okinawa, Japan.

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Ph.D. Alumnus: Assistant Professor SI Guangyuan

Si Guangyuan was born in Hebei Province, The People's Republic of China. He received his B. S. degree from Department of Electronic Science and Technology, University of Science and Technology of China in 2007. He pursued his Ph. D. degree under Dr. Aaron Danner’s supervision in Department of Electrical and Computer Engineering, National University of Singapore. His research is mainly focused on optical waveguide fabrication and measurement as well as near-field and far-field characterization of surface plasmon polaritons. He is skilled in nanoscale structure fabrication methods and nanophotonics measurement techniques. Equipments and tools versed: Photolithography method (Spin Coater, Mask Aligner), Inductively Coupled Plasma (ICP), Focused Ion Beam (FIB), Electron-Beam Evaporator, Scanning Electron Microscope (SEM), Plasma Enhanced Chemical Vapor Deposition (PECVD), Ellipsometer, Surface Profiler, Rapid Thermal Annealing (RTA), UV&OZONE Dry Stripper, etc. Upon completing his PhD studies at NUS in 2011, he joined the faculty at Northeastern University in Shenyang, Liaoning Province, China.


Staff Alumnus: Mr. LE Hong Vu

Le Hong Vu was born in Ho Chi Minh City, Vietnam. He received his Master’s and Bachelor's degrees in Applied Physics from Ho Chi Minh City University Of Science in 2005 and 2009. Then he joined NUS as an engineer researching in photovoltaic systems and spectroscopy. After working in our group, Vu joined the research staff at the Okinawa Institute of Science and Technology (OIST) in Okinawa, Japan, where he worked until 2015. In Autumn 2015, Vu enrolled as a Ph.D. student at Karlsruhe Institute of Technology (KIT) in Germany, having been awarded a prestigious DAAD fellowship to pursue his studies there.

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Ph.D. Alumnus: Dr. XIN Maoqing

Maoqing Xin he received his B.Eng. degree in communication engineering from Shanghai Jiao Tong University in 2007, and completed his Ph.D. studies here at NUS in August 2011. As of November 2017, he is employed at Analog Photonics in Boston (USA).


Staff Alumnus: Mr. Lamine BENAISSA

Lamine Benaissa was a research engineer in the group from 2009 - 2011. He was born in Algiers, and grew up in France. He received his Master's degree in Materials Sciences and Engineering from the Insitut National Polytechnic de Grenoble in 2006. Prior to his appointment to NUS, he worked in the frame of SOITEC-LETI collaboration to develop innovative substrates for future microelectronic applications. His research projects included the monolithic integration of III-V devices with Si CMOS on unique silicon substrate and the development of multi-junction solar cells substrates. As a research engineer at NUS, he focused on the fabrication and characterization of nanostructured materials for solar cells, plasmonics and photonics applications, and he also helped set up an electron beam lithography tool that is now widely used by the group. As of October 2011, he is with SOITEC in Grenoble, France.

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Staff Alumnus: Mr. Towhidur RAZZAK

Towhidur Razzak worked as a Research Engineer in the Optical Device Research Group and mainly worked on the development of nano-aperature Vertical-Cavity Surface Emitting Lasers (VCSELs) for application in Heat-Assisted Magnetic Recording (HAMR). He was born in Bangladesh and holds a Bachelor of Engineering degree in Electrical Engineering from the National University of Singapore (NUS). After leaving the group, Towhid joined Micron Technology as a Product Yield Analysis Engineer, working on the probe testing and failure analysis of commodity and Mobile DRAM. Towhid is currently working towards his Ph.D. in the Electron Device Laboratory at The Ohio State University. His research currently focuses on the development of high Al-composition AlxGa1-xN channel transistors for high-frequency applications.
LinkedIn ID: https://www.linkedin.com/in/towhidur-razzak-4539b128/

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