The Team

Michal Lipson

MacArthur Fellow
Eugene Higgins Professor Electrical Engineering
Michal Lipson

We are excited to let you know that Professor Lipson was named the 2017 recipient of OSA prestigious technology award, the R. W. Wood Prize. Visit OSA website for more information.

Professor Michal Lipson joined the Electrical Engineering faculty at Columbia University in July 2015. She completed her B.S., M.S., and Ph.D. degrees in Physics at the Technion in 1998 followed by a Postdoctoral position at MIT in the Materials Science Department until 2001. In 2001 she joined the School of Electrical and Computer Engineering at Cornell University. She was named Cornell Given Foundation Professor of Engineering in 2013. Lipson was one of the main pioneers in the field of silicon photonics and is the inventor of several of the critical building blocks in the field including the GHz silicon modulator. She holds over 20 patents and is the author of over 200 technical papers. Prof. Lipson held several leadership positions in the scientific community including, IEEE Photonics society board of directors member, co-organized numerous symposia and sessions in OSA conferences. She chaired and served on numerous committees including the Micro and Nanophotonics Subcommittee of CLEO, which she chaired 2006-2009. She has served as a topical editor (integrated photonics) for Optics Letters and served as a guest editor for IEEE Journal of Selected Topics of Electronics. She is currently serving on the board of directors for two international photonics centers, two start up companies and on the Rice ECE Advancement Committee. She is a co-founder of PicoLuz, a company specializing in nonlinear silicon photonic components. Professor Lipson's honors and awards include the MacArthur Fellow, Blavatnik Award, IBM Faculty Award, and the NSF Early Career Award. She is a fellow of OSA and IEEE. In 2014, and in 2015 she was named by Thomson Reuters as a top 1% highly cited researcher in the field of Physics.

Krystal Paulino

Research Administrator
Krystal Paulino

Krystal has been an administrator at Columbia University since 2006. She graduated from John Jay College of Criminal Justice with her bachelors in Forensic Psychology (2013). She is fluent in Spanish and a huge foodie. Krystal joined Michal's team in March 2016, She handles all the financial operations for the Lipson Group. 

Samantha P. Roberts

Mohammad Amin Tadayon

Postdoctoral Associate
Mohammad Amin Tadayon

Amin received his B.S. (ME, 2004), M.S. (ME, 2007) and Ph.D. (BME, 2014) degree respectively from Iran University of Science and Technology, Sharif University of Technology, and University of Minnesota. From 2005 to 2009, He held industry positions in Iran where He worked in the field of design, analysis, and manufacturing of electromechanical systems. Afterwards, He worked as a research fellow at the nanoelectronics group of University of Oslo. During his PhD (2009-2014), He developed different optical microresonators for high frequency ultrasound detection as well as fabrication and integration of these devices on the tip of an optical fiber to make an intravascular ultrasound imaging probe. He joined Cornell Nanophotonics Group as a postdoctoral associate in Nov. 2014. His research interests include developing optical/photonic devices and techniques for biomedical/mechanical applications.

You-Chia Chang

Postdoctoral Associate
You-Chia Chang

You-Chia Chang received his Ph.D. degree in Applied Physics (2016) from University of Michigan. He also received a M. S. degree in Applied Mechanics (2004) and a B. S. degree in Mechanical Engineering (2002) from National Taiwan University. From 2004 to 2008, he was an associated researcher in Industrial Technology Research Institute (Hsinchu, Taiwan). He joined Lipson Nanophotonics Group at Columbia University as a postdoctoral research scientist in 2016. During his Ph. D., he realized experimentally a mid-infrared hyperbolic metamaterial consisting of graphene-dielectric multilayers. His research interests include optical properties of 2D materials, metamaterials, nanophotonics, plasmonics, and ultrafast optics. Apart from research, he enjoys novels, classical and Chinese music. He also likes jogging, playing tennis, and practicing Judo. He holds shodan black belt in Judo.

Tong Lin

Postdoctoral Associate
Tong Lin
Tong received his B.Eng. degree in Information Engineering, Zhejiang University in 2012.
He pursued his Ph.D in Mechanical Engineering at National University of Singapore in 2016. 
He was also the attached Ph.D student at Institute of Materials and Research Engineering, A-Star, where he acquire four-year cleanroom fabrication experience. 
He joined Lipson Nanophotonics Group at Columbia University as a staff associate in 2016.
His research interests include integrated high-Q photonic devices, MEMS/NEMS tunable nanostructures, Fano resonance, optomechanics, nonlinear optics, thermal transportation, nanofabrication, etc.
Tong enjoys playing table-tennis, basketball, calligraphy, and painting in his leisure time.

Utsav D Dave

Postdoctoral Associate
Utsav D Dave

Utsav D. Dave completed his bachelor's degree in Engineering Physics from the Indian Institute of Technology Guwahati during 2006-2010. Subsequently, he did the Masters of Science in Photonics degree under the Erasmus Mundus program attending courses at St Andrews University (UK), Heriot-Watt University (UK) and Ghent University (Belgium). During the masters, he investigated the interplay of thermal, eleasto-optic and free-carrier dispersion on the performance of silicon photonic integrated filters. He then continued in Ghent University to pursue a doctorate in the Photonics Research Group starting in October 2012. During the course of the PhD, he conducted research into integrated nonlinear optics, focusing on ways to overcome some of the major problems faced in the silicon-on-insulator platform for nonlinear optical processes. This research included investigations of the amorphous silicon as well as the development and characterization of an integrated III-V-on-insulator platform for nonlinear applications. He enjoys travelling, reading, and reading while travelling, footall (soccer) and cricket.

Romy Fain

Ph.D. Student
Romy Fain

Romy is a graduate of the University of California, Berkeley.  She received her B.S. in Mechanical Engineering there in 2010 and began graduate study at Cornell that same year.  She has research experience in MEMS, piezoelectric energy harvesting, implantable sensors, biopolymer materials, electroactive materials, robotics, and photonic particle trapping.  Romy also has a talent for art with metal sculpture, large scale public art, performing with various dance and theater groups, and singing/playing jazz, etc. She also loves to travel...Italy, Nepal, India, South Africa, Zurich, Costa Rica.  At Cornell, Romy has an ardent interest in pursuing research developments in the following areas: mid infrared sensing, neural sensing, light and matter interactions, optomechanics, and combining optics and MEMS/NEMS technologies.

Steven Miller

Ph.D. Student
Steven Miller

Steven graduated from Hofstra University in 2012 with a B.S. in Electrical Engineering with High Honors. He was a recipient of the NSF Graduate Research Fellowship (GRF) in 2012. As an undergraduate, he worked on medical ultrasound modeling as well as modulation codes for wireless communication systems. He also worked on characterizing a laser direct-write printing process during a summer at Princeton University. Steven is currently pursuing his Ph.D. degree in Electrical and Computer Engineering as a member of the Cornell Nanophotonics Group. His research interests include light-matter interactions, novel photonics devices as well as integrated photonics. Steven is also an avid musician, trumpet player, and enjoys the outdoors, cooking, and traveling.

Moshe Zadka

Ph.D. Student
Moshe Zadka

Moshe received his B.Sc in Computer Engineering and Applied Physics in 2007, M.B.A (Finance and Entrepreneurship) in 2010 and M.Sc in Applied Physics in 2011, all from the Hebrew University in Israel. As a graduate student in Applied Physics, He developed contacts which exhibit ohmic behavior (low resistance) to both p- and n-type Ge at high thermal budget. Since 2007 and before joining the Cornell Nanophotonics Group, Moshe also worked at Intel (later Micron) Research and Development department on developing a commercial transceiver based on Silicon Photonics. His worked focused on fabricating and characterizing an Avalanche PhotoDiode and an InP/Si Hybrid Laser. His research interests include photonic devices, optical trapping, light-matter interactions and nanofabrication.

Ipshita Datta

Ph.D. Student
Ipshita Datta

Ipshita graduated with a B. Tech in Electronics and Communication Engineering from Institute of Engineering and Management, Kokata (India) in 2010, and a M. Tech in Fibre Optics and Lightwave Engineering from Indian Institute of Technology, Kharagpur (India) in 2012.  As a part of her masters' thesis, she worked on the design methodologies for Optical Interconnect Topologies in Network-on-Chip with bit-error rate (BER) and Transmit Power Constraints.  Ipshita joined the Cornell Nanophotonics Group in 2014, to pursue her Ph.D. in Electrical and Computer Engineering.  Her research interests include photonic devices, designing efficient network on chip topologies and work on advance modulation formats for photonic and wireless devices. Ipshita plays ping-pong, badminton, enjoys travelling, hiking, reading and playing Sudoku.

Gaurang Bhatt

Ph.D. Student
Gaurang Bhatt

Gaurang graduated from Sardar Patel University, Anand India in 2008 with a B. Eng. in Electronics.  He received his M. S. degree in 2012 from Indian Institute of Technology Madras, India in Microelectronics.  His research work at IIT Madras, was on dispersion and polarization studies in large cross section silicon-waveguide devices (predominantly, channel interleavers).  Later, he worked as a Post-Silicon Validation Engineer at Intel India Design Center.In 2014, Gaurang joined the Cornell Nanophotonics Group as a PhD student in Electrical and Computer Engineering.  his research interests include photonic devices, photonic materials, nanofabrication, plasmonics and thermal emitters.Outside research, Gaurang enjoys hiking/trekking, cooking, reading (predominantly fiction & biographies) and often spends his free time with yoga/meditation.

Xingchen (William) Ji

Ph.D. Student
Xingchen (William) Ji

Xingchen graduated with a B. S. in Optical Engineering in 2013 and honored with "Outstanding Graduates". He received his M.Eng degree in Electrical and Computer Engineering in 2014 from Cornell University. As an undergraduate, he worked on quantum cascade laser, tandem polymer solar cells and other optical devices' designs and simulations in key laboratory of Luminescence and Optical Information, Beijing, China. His M.Eng project was focused on low loss silicon nitride waveguide fabrication. Xingchen is now pursuing his PhD degree in electrical and Computer Engineering in the Cornell Nanophotonics Group. His research interests include optical communication, 3D photonic crystals and silicon photonics in general. In his spare time, he enjoys playing golf, reading, cooking, watching movies and travelling.

Brian Lee

Ph.D. Student
Brian Lee

Brian graduated with a B.S. degree in Electrical and Computer Engineering, Magna Cum Laude, at Cornell University in 2015. He first joined the group in 2014 as an undergraduate researcher to engage in a project with Aseema and Steven on developing effective integrated metal heaters for silicon nitride waveguides. He then moved to Columbia University with Professor Lipson and the group to pursue his Ph.D. in Electrical Engineering. Brian initially matriculated to Cornell as a Biology major in the College of Arts and Sciences, but his enthusiasm for optics and nanophotonics were sparked from one of his favorite courses at Cornell, AEP 1100 "Lasers and Photonics," and transferred to the College of Engineering during his sophomore year to further explore his interest for optics. He first met Professor Lipson in a class she taught at Cornell, ECE 4370 "Fiber and Integrated Optics," and joined the group. Because of his father's occupation, Brian has lived in six different countries, South Korea, Czech Republic, Switzerland, Thailand, Bangladesh and France. Brian can speak Korean and French. His biggest role models are Richard Feynman and Michelangelo.

View Brian's profile at LinkedIn 

Chris Phare

Ph.D. Student
Chris Phare

Chris graduated from Vanderbilt University in 2011 with a B.A. in Physics and Mathematics with Highest Honors. His undergraduate research included ultrafast laser spectroscopy as well as designs for photonic crystal biosensors. As part of his honors thesis, he developed a perturbation theory approach to modeling the attachment of thin layers of dielectric analyte to high-index-contrast systems. Pursuing his PhD in the nanophotonics group, his interests include novel optical device structures, spectrometry, optical trapping, and biological applications. Apart from the lab, Chris enjoys music, photography, and traveling.

Oscar A Jimenez Gordillo

Ph.D. Student
Oscar A Jimenez Gordillo

Oscar graduated with a M.Sc. degree in Optics from Mexico's National Institute for Astrophysics, Optics and Electronics (Instituto Nacional de Astrofísica, Óptica y Electrónica) where he worked with nonlinear optical processes in integrated quantum nanophotonic devices in a collaboration with the University of Rochester. He obtained his Bachelor in Nanotechnology Engineering degree with Cum Laudehonors from the University of the Americas (Universidad de las Américas, Puebla). During his undergraduate he worked with synthesis and characterization of nanoparticles and with plasmonics. He is now pursuing his Ph.D. in Electrical Engineering at Columbia. Out of the lab Oscar enjoys playing the drums and son jarocho (mexican folk music). He is a big jazz music fan and likes biking, hiking and salsa dancing.

Aseema Mohanty

Ph.D. Student
Aseema Mohanty

Aseema graduated from MIT with a B.S. in Electrical Science and Engineering in 2011. As an undergraduate, she characterized photovoltaics for a micro-thermophotovoltaic generator project at the Institute for Soldier Nanotechnologies. She also investigated the contribution of singlet fission to quantum efficiency in organic solar cells as part of the Soft Semiconductor Group. She is currently pursuing her Ph.D. as a member of the Cornell Nanophotonics Group. Her research interests include light-matter interactions and energy conversion in photonic devices. In her free time, she enjoys painting, exploring nature, cooking/baking, and traveling.

Вrian Stеrn

Ph.D. Student
Вrian Stеrn

Вrian graduated magna cum laude with a B.S. in Electrical & Computer Engineering from Cornеll University. He is currently a PhD student in the Lipson Nanophotonics Group, where his research involves developing novel integrated photonic devices, including chip-based communication and multiplexing, optical switching, and coupling.

Avik Dutt

Ph.D. Student, Cornell University
Research staff, Columbia University
Avik Dutt

Avik graduated from the Indian Institute of Technology, Kharagpur in 2011, with a Bachelors in Electronics and Electrical Communication Engineering. As a part of his B. Tech dissertation, he carried out research on capillary optical fibers and their applications in attaining large mode area and in designing tunable fiber couplers. Currently pursuing a PhD in Electrical and Computer Engineering in the Cornell Nanophotonics Group, Avik is interested in light-matter interactions and in the physics and application of photonic structures, especially in quantum optics. His research accomplishments include the development of the first on-chip squeezed quantum light source using a four-wave mixing parametric oscillator, and the first single-chip microresonator dual comb source for fast, real-time spectroscopy. Avik has previously worked on quantum tunneling through smooth double barriers during his undergrad years. In the summer of 2010, he investigated optical forces near photonic crystal slabs at the University of Southern California, Los Angeles. He enjoys volunteering for science outreach, open science and open data, editing Wikipedia, and working on diversity and inclusion initiatives in the city.

Contact Information

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Arthur Nitkowski

Ph.D. Student
Alumni
Arthur Nitkowski

Yoon Ho Daniel Lee

Ph.D. Student
Alumni
Yoon Ho Daniel Lee

Lian-Wee Lu

Ph.D. Student
Alumni
Lian-Wee Lu

Vishal Chandrasekar

Ph.D. Student
Alumni
Vishal Chandrasekar

Kyle Preston

Ph.D. Student
Alumni
Kyle Preston

Nicolas Sherwood Droz

Ph.D. Student
Alumni
Nicolas Sherwood Droz

Jacob Levy

Ph.D. Student
Alumni
Jacob Levy

Hugo Lira

Ph.D. Student
Alumni
Hugo Lira

Debo Olaosebikan

Ph.D. Student
Alumni
Debo Olaosebikan

Lucas Gabrielli

Ph.D. Student
Alumni
Lucas Gabrielli

Biswajeet Guha

Ph.D. Student
Alumni
Biswajeet Guha

Yisu Yang

Visiting Ph.D. Student
Alumni
Yisu Yang

Renato Ribeiro Domeneguetti

Visiting Ph.D. Student
Alumni
Renato Ribeiro Domeneguetti

Austin Griffith

Ph.D. Student
Alumni
Austin Griffith

Kevin Luke

Ph.D. Student
Alumni
Kevin Luke

Shreyas Shah

Ph.D. Student
Alumni
Shreyas Shah

Mian Zhang

Ph.D. Student
Alumni
Mian Zhang

Lawrence Tzuang

Ph.D. Student
Alumni
Lawrence  Tzuang

Jaime Cardenas

Research Associate
Jaime Cardenas

Jaime earned his Ph.D. from the University of Alabama in Huntsville in Optical Science and Engineering. His research was in single air interface bends and waveguide microcantilevers. After two years as a process engineer, and three years as a Postdoctoral researcher in the Nanophotonics group, Jaime is now research associate in the Lipson Nanophotonics Group. 

Raphael St-Gelais

Postdoctoral Associate
Raphael St-Gelais

Raphael received the B. Eng. (2007) and Ph.D. (2012) degrees in engineering physics from Polytechnique Montreal (Montreal, QC, Canada). In 2007, he was an engineering intern with Dalsa Semiconductor (Bromont, QC, Canada), before joinging the Microphotonics Labororatory (Polytechnique Montreal) in 2008 for his graduate studies. He joined the Cornell Nanophotonics Group as a postdoctoral associate in 2013. His research interests include optical microelectromechanical systems, optical sensor, mid-infrared integrated optics, thermal emitters, and nanoscale thermal transport.

Felippe Barbosa

Postdoctoral Associate
Felippe Barbosa

Felippe received his Bachelor degree in Physics (2006) from University of Brasilia (UnB) and both the M.Sc. (2009) and PhD (2013) in Physics from the University of São Paulo (USP) in Brazil, working with quantum optics and quantum information with continuous variable using optical parametric oscillators. He also spent five months of his PhD at the University of Paris VI in France working with quantum optics. He also worked as a postdoctoral associate from 2013 to the middle of 2014 at University of Campinas (Unicamp). He joined the Cornell Nanophotonics Group as a post-doctoral associate in the middle of 2014 and his research interests include quantum optics, quantum information science, optomechanical resonators and quantum measurement. His other interests includes movies,reading, especially literature and history, hiking and practicing sports in general.

Goran Kovacevic

Goran Kovacevic
Goran received his B.Eng. degree in Electrical Engineering from the University of Belgrade, Serbia, in 2013 and then moved to Japan to pursue graduate studies. He received his M.Eng. degree in Electrical Engineering from the University of Tokyo in 2015 where he is currently enrolled as a Ph.D. student. He joined the Lipson Group as a Visiting Scholar in October 2016. As a graduate student at the University of Tokyo he worked on graphene coated silicon waveguide structures, specifically focusing on understanding the underlying physical mechanisms behind their light matter interaction through theoretical modeling and numerical simulations.
In Summer of 2015 Goran did an internship at NTT Device Technology Laboratories in Atsugi, Japan, where he worked on an optical frequency up/down converter based on integrated PPLN waveguides and utilizing their nonlinear properties. Goran is also a member of the Global Leader Program for Social Design and Management of the University of Tokyo which aims to teach its students how to apply their research on solving social issues, and a recipient of the DC2 Fellowship for Young Scientists of the Japanese Society for Promotion of Science. In his free time Goran enjoys playing basketball, swimming, karaoke, reading and traveling.