Dr. Lin Yi (He/His/Him) is a technical group supervisor of the Advanced RF and Optical Technologies Group at Jet Propulsion Laboratory, California Institute of Technology. His expertise includes atomic clocks, GNSS and deep space navigation, ultra-fast and deep ultraviolet laser engineering, precision instrumentation and measurement, software engineering, embedded system architecture, Frequency & Timing metrology, atomic, molecular, optical and plasma physics, quantum physics, communication architectures. Dr. Yi has published more than 30 peer-reviewed journal articles and conference papers and holds one U.S. patent.  

 

B.S. in EE(99-03), Ph.D. in Physics (03-09) with honors, both from Peking University. Postdoc at L’Observatoire de Paris, the French national metrology laboratory (09-11). Visiting scientist at Physikalisch-Technische Bundesanstalt, the German national metrology laboratory (11). NASA Postdoctoral Fellow at JPL/Caltech (11-13). Technologist at JPL/Caltech (13-now).

Dr. Yi is an IEEE Senior member, AIAA Senior member and INCOSE Regular member. He also volunteers in leadership positions in IEEE and INCOSE.  He serves as a reviewer for NASA, NSF, USRA, OSA, IEEE, AIP, IOP, Springer Nature.

• Communications, navigation and timing for deep space mission operation, earth and planetary radio science, geophysics and astrophysics.
• RF discharge light source, micro-plasma physics
• Terahertz molecular clock, optical/microwave atomic clock based on neutral atoms/ion(s), optical frequency comb, free space/fiber frequency signal distribution

1. Yi, Lin, et al., “Sub-Terahertz Heterodyne Spectroscopy of Carbonyl Sulfide”, 2021 Joint Conference of the IEEE International Frequency Control Symposium & the European Frequency and Time Forum. IEEE, 2021.
2. Hamid Javadi and Lin Yi, “Leak-free waveguide-based molecular gas cell packaging technology supporting sub-terahertz molecular clocks”, U.S. patent pending.
3. Hoang, Thai M., et al., "Integrated physics package of micromercury trapped ion clock with 10− 14-level frequency stability." Applied Physics Letters 119.4 (2021): 044001.
4. Yi, Lin, et al., "Space-Very Long Baseline Interferometry Mission Requirements Analysis on Space Borne Frequency Standards and Optical Frequency Combs." CLEO: Science and Innovations. Optical Society of America, 2020.
5. Yi, Lin, et al., “A Molecular Clock Architecture for Deep Space Inter-SmallSat Radio Occultation.” Institute of Navigation (ION) Precise Time and Time Interval Systems and Applications (PTTI) Meeting (invited), Jan. 2020.
6. Toennies, Michael O., et al. "A Low SWaP-C Prototype Ka-Band Frequency Synthesizer for Atomic Clocks." 2018 IEEE International Frequency Control Symposium (IFCS). IEEE, 2018.
7. Burt, Eric A., et al., "JPL ultrastable trapped ion atomic frequency standards." IEEE transactions on ultrasonics, ferroelectrics, and frequency control 63.7 (2016): 1013-1021.
8. Yi, Lin, et al., "Hollow-core fiber lamp." U.S. Patent No. 9,372,299. 21 Jun. 2016.
9. Yi, L., et al., "Mercury lamp studies in support of trapped ion frequency standards." 2015 Joint Conference of the IEEE International Frequency Control Symposium & the European Frequency and Time Forum. IEEE, 2015.
10. Yi, L., et al. "Progress towards a dual-isotope trapped mercury ion atomic clock: Further studies of background gas collision shifts." 2012 IEEE International Frequency Control Symposium Proceedings. IEEE, 2012.
11. J. J. McFerran, et al., “Neutral Atom Frequency Reference in the Deep Ultraviolet with Fractional Uncertainty=5.7E-15” Phys. Rev. Lett. 108, 183004 (2012)
12. L. Yi et al., “Optical Lattice Trapping of 199Hg and Determination of the Magic Wavelength for the Ultraviolet 1S0-3P0 Clock Transition”, Phys. Rev. Lett. 106, 073005 (2011)
13. Wenlan Chen et al., “Optical phase locking with a large and tunable frequency difference based on a vertical-cavity surface-emitting laser”, Optics Letters 33, 357(2008)