Shoude Chang


Roles and responsibilities

Senior Research Officer in Advanced Electronics and Photonics Research Centre

Current research and/or projects

Printable electronics: materials test and analysis


PhD in Physics. Specialized in Optical Pattern Recognition.

Professional activities/interests

Biometrics, Optical Coherence Tomography, Hybrid Optic-Electric Systems, Automatic Control Systems.

Inventions and patents

Around 10 patents

Key publications

  1. Z. G. LU, J. R. LIU, P. J. POOLE, C. Y. SONG, AND S. D. CHANG, “  Ultra-narrow linewidth quantum dot coherent comb lasers with self-injection feedback locking,” OPTICS EXPRESS, Vol.26, No. 9, 30 Apr 2018.
  2. Shoude Chang, Erroll Murdock, Youxin Mao, Costel Flueraru, and John Disano, “Stationary-fiber rotary probe with unobstructed 360° view for optical coherence tomography”. Optics Letters, v36(22), 4392-4394 (2011).
  3. Shoude Chang, Qinghan Xiao, Brittany Reid, Alexander Bergeron, and Wahab Almuhtadi, “Artificial Finger Detection by Spectrum Analysis”. International Journal of Biometrics. Vol. 3, No.4. pp. 376 - 389. (2011).
  4. Youxin Mao, Shoude Chang, Erroll Murdock, and Costel Flueraru, “Simultaneous dual-wavelength-band common-path swept-source optical coherence tomography with single polygon mirror scanner,” Optics Letters, v36(11), 1990-1992 (2011).
  5. Shoude Chang, Kui Yu, and Jiaren Liu, “Advanced Secure Information Retrieval Technology for Multi-Layer Information Extraction”. The Journal of Nanomaterials. V2008. ID 589532, 9 pages. doi:10.1155/2008/589532. 2008.
  6. Shoude Chang, Xianyang Cai, and Costel Flueraru, “Image enhancement for multilayer information retrieval using full-field optical coherence tomography,” Applied Optics, 45(23), pp5967-5975 (2006).
  7. M. Zhou, S. Chang and C. P. Grover, “Cryptography based on the absorption / emission features of multicolor semiconductor nanocrystal quantum dots,” Optics Express, 12(13), 2925-2931(2004)
  8. S. Chang, S. A. Boothroyd and J. Chrostowski, “Partial rotation-invariant pattern matching and face recognition with a joint transform correlator,” Applied Optics 36, 11, 2380-2387 (1997)
  9. S. Chang and H. H. Arsenault, " Scale-adapted wavelet transform", Optics Letters, 21, 5, 363-365 (1996)
  10. S. Chang and H. H. Arsenault, " Optical pattern recognition using intensity filters ", Journal of Modern Optics, 42, 10, 2041-2050 (1995)

Previous work experience

Research fellow in NRC. Real-time pattern recognition based on Optical Correlator. 1995-1996.

Software designer in Dipix, Ottawa. Online Inspection with Machine Vision. 1996-1998.

Research Officer in NRC 1999-present. Optical Information Processing. Biometrics. Cryptography using Quamtum Dots. Optical Coherence Tomography used for midecal and security applications. Photonics Devices. Princibale Electronics.

International experience and/or work

Collaborative projects with US.  

Shoude Chang

Shoude Chang

Senior Research Officer
Advanced Electronics and Photonics
1200 Montreal Road
Ottawa, Ontario K1A 0R6
Preferred language: English
Other(s): Chinese (Mandarin)
Telephone: 613-990-9716


Information Technology, Electronic Devices, Computer Vision, Processing