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Rui Wu
Ph.D. Student, School of Electrical and Computer Engineering, Purdue University
Photo Album

Welcome to Rui "Ray" Wu's Webpage

Rui Wu's Webpage





Contact Information

o      Email: rwu@purdue.edu

o      Phone: (765)494-3394 (office)

(765)586-3763 (cell)

o      Office: MSEE SB037

o      Mailing address:

Electrical Engineering Building, BOX 545

465 Northwestern Avenue

West Lafayette, IN 47907-2035, USA


o      I am now a process technology development engineer at Intel Corporation in Oregon.

o      I passed the PhD defense in the School of Electrical and Computer Engineering at Purdue University. I obtained my PhD degree in Electrical Engineering on May 11, 2013.

o      Our paper entitled "Comb-based radiofrequency photonic filters with rapid tunability and high selectivity" has been published in Nature Photonics , the most prestigious journal in the field of optics and photonics. I am one of the three co-first authors who contributed equally to this work as noted in the paper. This is a big milestone and definitely a highlight in my life.:) Credits go to the best adviser, the most supportive and capable lab manager and the most talented co-workers.

o      I married my beautiful wife, Jenny Wu at the First Baptist Church in Montgomery, AL on September 29, 2012. Here is a photo taken a few minutes before our wedding ceremony. You are also very welcome to watch a short wedding video clip on Youtube and Tudou.com.


o      Purdue University, West Lafayette, Ph.D. student in Electrical and Computer Engineering, 2008-2013.

o      Ph.D. adviser: Professor Andrew M. Weiner, Distinguished Professor, elected member of National Academy of Engineering.

o      Research Assistant, Ultrafast Optics and Optical Communications Laboratory

o      Passed the PhD Qualifying Exams in August 2009.

o      Passed the PhD Preliminary Oral Exam in MSEE 239 starting at 3pm, October 24, 2011. I made a presentation and talked about our research of comb-based microwave photonic filtering. In the end of the presentation, I discussed some research proposals for my future efforts.

o      I passed the PhD thesis defense in MSEE 239 starting at 3pm on April 15, 2013. I made a presentation and talk about my research about comb-based microwave photonic filtering.

o      PhD candidate, ECE, Purdue, October 2011 - May 2013.

o      University of California, Los Angeles (UCLA), exchange student, 2007 summer.

o      Instructor: Ms. Sylvia Merschel.

o      Studied and practiced communication and presentation skills in a variety of contexts such as conversation, interviewing, small group discussion and public address.

o      Learned and understand different religions and cultures through significant interactions with classmates and instructor from United States, Mexico, Taiwan, China, Turkey, Austria, Germany, Japan, Korea, United Kingdom, Indonesia, etc.

o      Shanghai Jiao Tong University (SJTU), China, undergraduate in Electronic Engineering, 2004-2008.

o      Enrolled in Teaching Reforming Class (TR Class), the most honorary Engineering Program at SJTU

o      Thesis: Design and Analysis of Silicon-based Ultra-slow light Waveguide, 2008

o      FDTD simulations on Photonic Crystal and Silicon Micro-ring resonator systems with Matlab and MIT-developed Software MEEP and MPB

o      Tianjin Nankai High School, China, 2001-2004.

o      RESUME (Available Upon Request)

Industry experience

o      Summer research intern, NEC Laboratories America, Princeton, New Jersey, May 2012 - August 2012.

o      Mentor: Dr. Ezra Ip.

o      The projects include modulation formats, transmitter and receiver technologies to improve spectral efficiency, spatial division multiplexing technology, transmission impairment mitigation techniques, etc.

Research Interest

o      Ultrafast optics

o      Fiber optics

o      Optical frequency comb source development

o      Microwave photonic filtering

o      High capacity optical transmission (study with Dr. Ezra Ip)

o      Silicon Photonics (collaboration with Prof. Minghao Qi);

o      Biomedical imaging (collaboration with Prof. Ji-xin Cheng). I also attended the Multimodal Nonlinear Optical Microscopy Symposium and Training Workshop organized by Prof. Ji-xin Cheng on July 14-15, 2011.

Research Accomplishment (with various collaborators)

o      Ultrafast Optics and Microwave Photonics Research at Purdue

o      Demonstration of electro-optic modulation scheme capable of generating high-repetition-rate (10 GHz) optical frequency combs with unprecedented flatness, for applications as short pulse generation (2.1 ps), RF photonic filtering (with the need for a pulse shaper) (2010).

o      Demonstration of electro-optic modulation scheme capable of generating high-repetition-rate (10 GHz) Gaussian-shaped optical frequency combs, for applications as short pulse generation (3.1 ps width Gaussian pulse with 22 dB dynamic range), RF photonic filtering with 43-dB mainlobe-to-sidelobe suppression ratio (without the need for a pulse shaper) (2010, 2011).

o      Demonstration of microwave photonic filters with 61-dB mainlobe-to-sidelobe suppression ratio (MSSR) and 70 dB stopband rejection, fully compatible to our tuning scheme (2011).

o      Demonstration of reconfigurable/tunable microwave photonic filtering with unprecedented 40-ns tuning speed (2011).

o      Demonstration of bandwidth reconfigurable/tunable microwave photonics filtering with unprecedented 20-ns reconfiguration speed while keeping similar mainlobe-to-sideband suppression ratio (>30 dB level) (2011,2013).

o      Demonstration of high-repetition-rate (10 GHz) flat-topped optical frequency comb with ultra-broad bandwidth (>3.65 THz or 365 lines within 3.5 dB power variation). With this comb, we generated very high quality pedestal-free short pulse with 490-fs pulse width (assuming sinc pulse shape). (2011,2012).

o      Demonstration of microwave photonic phase filter based on inhouse ultrabroadband optical frequency comb capable of compressing chirping electrical pulses to transform-limitted pulses (unprecedented large 8-nm time aperture and large time-bandwidth product of 40). (2012)

o      Optical Communications Research at NEC Laboratories, America

o      We study the impact of mode coupling on nonlinear performance and capacity for a long haul transmission system in few-mode fibers supporting two mode groups (LP01 and LP11 modes). (2012)

Professional Services

o      Membership: OSA student member (2007-2008), IEEE student member (2010-present), IEEE photonic society student member (2010-present).

o      Active journal reviewer: Optics Letters, Optics Express, IEEE Photonics Technology Letters, Journal of Lightwave Technology, Optics Communications, IEEE Microwave and Wireless Components Letters, IEEE Sensors Journal, Chinese Optics Letters, etc.

o      Contributed to the 2011 IEEE Photonics Conference (former LEOS) as an audio/visual volunteer for eight technical sessions in Arlington, Virginia on October 9-13, 2011.

o      Conference session chair: ThZ novel functions with grating and ring resonators for the IEEE Photonics conference in Arlington, Virginia on October 13, 2011.

Academic Honors and Awards

o      Travel grant award for Purdue PhD students nearing completion (2012)

o      Photonic Society Annual Meeting Student Travel Grant Award (2010)

o      Finalist, Best Student Paper Award, IEEE International Topical Meeting on Microwave Photonics, Montreal, Quebec, Canada (2010). Award Plaque Photo

o      Excellent Student Scholarship, Shanghai Jiaotong University, Shanghai, China (2005, 2006)

o      Exempted the China National College Entrance Exams (2004)

o      1st prize in Tianjin, China National Physics Olympic Contest (2003)

Non-academic Honors

o      President-elect of Association of Purdue Chinese Alumni (2010-2012).

o      Welcomed Chinese President Hu Jintao to Visit Chicago with 160 fellow Purdue Chinese Students near Chicago Hilton, Chicago, IL, USA (1/20/2011)

o      We were proudly standing on Chicago S. Michigan Avenue for several hours waiting for President Hu Jintao under the temperature of around 0F or -20C. Our patriotic pride was covered on the US China Press Newspaper. Surprisingly, I appeared in a US Chinese TV news report for 1.5 seconds. I agree it is hard to find me, but I am PROUD I am inside the clip!:) Here is one photo.

o      Attended 2011 Wharton Asia Business Conference at the Wharton School, University of Pennsylvania, Philadelphia, Pennsylvania, October 15, 2011.

o      Attended 2010 Harvard Asia Business Conference at Harvard Business School (HBS), Cambridge, Massachusetts, March 25-26, 2010.

o      Invited to Meet Indiana Lt. Governor Becky Skillman and Indiana Government Officials in Beijing, China (2010). Here is one photo with Governor Skillman and Mr. Lomont.

o      Invited to join Purdue President Dr. France Cordova's efforts with Tsinghua University and China Agricultural University to connect with constituents, and increase awareness of Purdue's strategic initiatives, priorities and accomplishment in Beijing, China (2010). Here is one photo and a letter from President Cordova.

More about Rui Wu

I believe in the end, people will not remember those things I proudly put on my resume. But they will judge me through how I treat others as human beings.

I respect and love the people around me. I am pretty sure when I am going to die, the only things I would be thinking of are not how much money I earned, or how successful I was, but definitely the people who I loved and who loved me in my life. I feel grateful to all my friends who help me make into who I am today.

I love making friends, playing table-tennis, collecting coins, snow-skiing(will learn snowboard), swimming, jogging, driving myself in the dark, etc.

You would be very likely to see me swimming in the Boilermaker Aquatic Center of Purdue Recreation Sports Center (RSC) between 7 pm and 8 pm on weekdays.

Traveling and talking with the local people and meeting friends are my favorate thing to do in my spare time. I have been to 120 cities in 6 countries.

I am a follower of Jesus Christ. I go to Greater Lafayette Chinese Alliance Church, West Lafayette, IN. I went to the local church every time I visited a new city. I have also been to Calvary Baptist Church (West Lafayette, IN), Covenant Church (West Lafayette, IN), White Horse Christian Church (West Lafayette, IN), Princeton Christian Church (Priceton, NJ), Princeton Alliance Church (Princeton, NJ), Chinese for Christ Church in San Jose (San Jose, CA), Silicon Valley Alliance Church, (Milpitas, CA), Emeth Chapel (Boston, MA), Harvest Chinese Christian Church (Arlington, VA), Bread of Life Christian Church (San Diego, CA), University City Chinese Christian Church, (Philadelphia, PA), Hengtong Christian Church (Baltimore, Maryland), Peoples Church of Montreal (Montreal, Canada), Rainbow Home Church (Singapore), etc.

I was serving as the President of Association of Purdue Chinese Alumni from Oct. 2010 to April 2012. From Sept. 2009 to Oct. 2010, I was the head of Purdue Chinese Alumni Communication Committee of Association of Purdue Chinese Alumni (APCA). As the president, I was responsible for strategies and decisions making for the overall development of APCA. During my service and presidency, I was invited to meet Purdue president Dr. France Cordova and Indiana Lt. Governor Becky Skillman. We are in touch with over 300 Purdue alumni working in China (Americans, Chinese, etc) right now. The number will grow up substantially with the development of APCA. We are happy to bridge Purdue alumni and local Purdue alumni club. If you want to join the Purdue Chinese alumni database or need an introduction to join the local Purdue alumni clubs in China, please shoot me an email (Email: rwu@purdue.edu) and I would be more than happy to help.

If you are interested in knowing more about me, you are very welcome to see my profiles on social networking websites Facebook and linkedin. Thanks!


"Love is patient, love is kind, it does not envy, it does not boast, it is not proud. It is not rude, it is not self-seeking, it is not easily angered, it keeps no record of wrongs. Love does not delight in evil, but rejoices in truth. It always protects, always trusts, always hopes, always perseveres. Love never fails." (1 Corinthians 13:4-8)

"I asked God for strength that I might achieve. I was made weak that I might learn humbly to obey.

I asked for health that I might do greater things. I was given infirmity that I might do better things.

I asked for riches that I might be happy. I was given poverty that I might be wise.

I asked for power that I might have the praise of men. I was given weakness that I might feel the need of God.

I asked for all things that I might enjoy life. I was given life that I might enjoy all things.

I got nothing that I asked for, but everything I hoped for.

Almost despite myself, my unspoken prayers were answered.

I am, among all men, most richly blessed." (Someone)

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