Yifeng Qian, Ph.D.

E-mail: adcm7e@r.postjobfree.com Cell: 610-***-****

SUMMARY

- Optical engineer with extensive experience in optoelectronic device development from design to testing system buildup for optical communication, next-generation hard drive, and optical sensing applications.

- Hands-on experience in optical device simulations, prototyping, as well as testing automation and data analysis.

- Strong problem-solving skills, independent, proactive, persistently determined. SKILLS

Analyses, Simulations and Automations:

- Python, JMP, LabVIEW, MATLAB

- Zemax, COMSOL, Rsoft (FullWAVE, LaserMOD), Lumerical (FDTD) Optical assembly and prototyping:

- High-precision assembly of optical components and waveguides

- Free-space/fiber-coupled optical setup and experiments Micro- and Nano-fabrications:

- Photolithography, Focused ion beam, Oxygen plasma bonding

- Scanning electron microscopy, Transmission electron microscopy, Atomic force microscopy Characterizations:

- Optical spectrum analyzer (OSA), Spectrometer, Detectors, Powermeters, Optical vector analyzer

- Electrical spectrum analyzer, Oscilloscope

PROFESSIONAL EXPERIENCE - Industry

Seagate Technology, Bloomington, MN, USA May 2019 - Aug. 2019 Laser and Photonics Integration Engineer, Intern

a) Laser Relative Intensity Noise (RIN) testing system development:

• Designed and built from scratch the RIN testing system for laser characterization. The generated data was clearly documented, reported, and transferred to the team to ensure product readiness.

• Developed Python/MATLAB scripts for data analysis to evaluate characteristics of laser diodes for their impact on performance of heat-assisted magnetic recording (HAMR) hard drives.

• Completed qualification tests for different laser designs and delivered the repeatable/reliable results to the team. b) Laser Amplified Spontaneous Emission (ASE) testing:

• Built benchtop fiber-coupled and free-space optical systems to test the lasers and photonic integrated circuits.

• Measured the gain spectra of different lasers and studied the performance dependence on temperatures and laser injection currents.

• Tested integrated laser system in HAMR and analyzed the coupling/back-reflection effects on device performance. NeoPhotonics Corporation, San Jose, CA, USA Jul. 2017 - Sept. 2017 Photonics Engineer, Intern

Characterization of silicon photonic chip and devices:

• Developed and executed detailed test plan to test silicon photonic chips for waveguide propagation loss as well as ring resonator linewidth and loss.

• Assisted test engineers to build optical testing systems by aligning and assembling lasers, lenses, fibers, and silicon photonic devices.

• Conducted spectroscopic analysis and SEM for device failure analysis. PROFESSIONAL EXPERIENCE - Academia

Lehigh University, Biophotonics and Optoelectronics Lab Sept. 2015 - Present Graduate Research Assistant

Nanoplasmonic interferometer imaging system for biosensing:

• Conducted numerical modeling with Rsoft and COMSOL for optical biosensors.

• Performed thin-film deposition (Thermal deposition and E-beam deposition) and surface characterization (AFM, SEM, TEM).

• Fabricated nanoplasmonic biosensor chips using focused ion beam (FIB).

• Designed and fabricated microfluidic channels with AutoCAD and photolithography.

• Developed algorithms for automated sensor data acquisition and processing. Chongqing University, Key Laboratory for Optoelectronic Technology Dec. 2014 - Jun. 2015 Undergraduate Research Assistant

Surface enhanced Raman scattering (SERS) for chemicals sensing:

• Conducted FDTD simulations on optical sensor designs using surface enhanced Raman scattering.

• Tested the sensor performance using Raman spectroscopy.

• Developed MATLAB scripts for data collection and analysis. EDUCATION

Lehigh University, Bethlehem, PA, USA Sept. 2015 - Present Ph.D. Candidate in Electrical Engineering

Advisor: Filbert Bartoli

Esty Fellowship, 2016

Rossin Doctoral Fellowship, 2019

Chongqing University, Chongqing, China Sept. 2011 - Jul. 2015 Bachelor of Science in Optical Communications

PUBLICATIONS

- Qian Y., et al. "Intensity-modulated nanoplasmonic interferometric sensor for MMP-9 detection." Lab on a Chip 19.7 (2019): 1267-1276.

- Qian, Y., et al. "Nanoplasmonic Interferometric Sensor for Multiplex Detection of MMP-9 and TIMP-1." CLEO: Applications and Technology. Optical Society of America, 2019.

- Qian, Y., et al. "Circular nanoplasmonic interferometer for detection of immune-cell secretion." 2018 IEEE Photonics Conference. IEEE, 2018.

- Xie Z., Qian Y., et al. On-chip detection of immune-cell secretion using a circular nanoplasmonic interferometer array. CLEO: Science and Innovations. Optical Society of America, 2017. ACTIVITIES

- Journal Reviewer: Journal of Lightwave Technology, Physical Review Applied, Physical Review A

- Current Professional Society Membership: Institute of Electrical and Electronics Engineers (IEEE), Optical Society America (OSA)

MISCELLANEOUS

• Languages: Mandarin (Native), English (Professional)

• Interests: Debate, Photography

Contact this candidate