I am a Postdoctoral Scholar in Professor Oskar Painter's group at California Inistitute of Technology.
My research interest lies in n
anophotonics, optomechanics, and quantum photonics. I am currently studying
nanoscale optomechanical systems for applications in integrated photonic devices and classical/quantum information processing.

My past research works include:
1. Effective magnetic field for photons and topological photonic states [5,6,7,9,11,12,13,14] (theory and experiment).
2. Magnetometry using nitrogen-vacancy centers in diamond [8] (experiment).
3. Magneto-optical effect in photonic crystals [3,4,10,15] (theory).

California Institute of Technology
1200 East California Blvd, MC 128-95
Office: Steele 215
Pasadena, CA, 91125
Phone: 626 395 2915
Email: kfang84 at caltech dot edu


Stanford University, Ph. D. in Physics, M.S. in Electrical Engineering, 2013

         Adviser: Professor Shanhui Fan

Peking University, B. S. in Physics, 2007                                                                    


16. K. Fang, M. H. Matheny, X. Luan, and O. Painter, Phonon routing in integrated optomechanical cavity-waveguide systems”,
      arXiv:1508.05138 (2015). pdf

15. A.A. Asatryan, L.C. Botten, K. Fang, S. Fan, and R.C. McPhedran, “Two dimensional Green’s tensor for gyrotropic clusters composed of
      circular cylinders”, Journal of the Optical Society of America A 31, 2294 (2014). pdf

14. L.D. Tzuang, K. Fang, P. Nussenzveig, S. Fan, and M. Lipson, “Nonreciprocal phase shift induced by an effective magnetic flux for light”,
      Nature Photonics
8, 701 (2014). pdf
13. E. Li, B. Eggleton, K. Fang, and S. Fan,  “Photonic Aharonov–Bohm effect in photon–phonon interactions”, Nature Communications 5: 3225
      doi:10.1038/ncomms4225 (2014). pdf
      News article from the University of Sydney

12. K. Fang and S. Fan, “Controlling the flow of light using inhomogeneous effective gauge field that emerges from dynamic modulation”,
      Physical Review Letters 111, 203901 (2013). pdf

11. K. Fang and S. Fan, “Effective magnetic field for photons based on magneto-optical effect”, Physical Review A 88, 043847 (2013). pdf

10. A.A. Asatryan, L.C. Botten, K. Fang, S. Fan, and R.C. McPhedran, “Local density of states of chiral Hall edge states in gyrotropic photonic
        clusters”, Physical Review B 88, 035127 (2013). pdf

9. K. Fang, Z. Yu, and S. Fan, “Photonic de Haas-van Alphen effect”, Optics Express 21, 18216 (2013). pdf

8. K. Fang, V. M. Acosta, C. Santori, Z. Huang, K. M. Itoh, H. Watanabi, S. Shikata, and R. G. Beausoleil, “
High-sensitivity magnetometry based
on quantum beats in diamond nitrogen-vacancy centers”, Physical Review Letters 110, 130802 (2013). pdf

7. K. Fang, Z. Yu, and S. Fan, “Experimental demonstration of a photonic Aharonov-Bohm effect”, Physical Review B 87 060301(R) (2013). pdf

6. K. Fang, Z. Yu, and S. Fan, “Realizing effective magnetic field for photons by controlling the phase of dynamic modulation”, Nature Photonics
6 782-787 (2012). pdf
    Stanford Report, Stanford Engineering News, Novus Light Technologies Today, Science Daily, Photonics.com

5. K. Fang, Z. Yu, and S. Fan, “Photonic Aharonov-Bohm effect based on dynamic modulation”, Physical Review Letters 108 153901 (2012). pdf
    Editor’s Suggestion,
Physics Synopsis.

4. K. Fang, Z. Yu, V. Liu, and S. Fan, “Ultra-compact optical isolator using Fano interference in photonic crystal slab”, Optics Letters 36
4254–4256 (2011). pdf

3. K. Fang, Z. Yu, and S. Fan, “Microscopic physics of photonic one-way edge mode”, Physical Review B 84 075477 (2011). pdf

2. K. Fang, B. Chen, and W. Xue, “Noncommutative geometry modified non-Gaussianities of cosmological perturbation”, Physical Review D 77

063523 (2008). pdf

1. K. Fang, “On factorization of couple channel scattering S matrices”, Communication in Theoretical Physics 48 901-907 (2007). pdf