Research

Project 1：Wideband Spectrum Coexistence Enabled by Photonic Circuits

Key Points:


  • Higher Frequency Interference Cancellation

  • Hybrid system between optical and free-space communication

  • Enable coexistence of signals in multi-GHz bandwidth


* This project is supported by NSF SWIFT Program.

Related Publications:

Y. Qi, and B. Wu*, "Wideband photonic interference cancellation based on free space optical communication," Optics Express. (Under Review)

Project 2：Stealth Communiation based on Noise

Key points:


  • Signal is hidden in ultra-wide band noise.

  • The noise bandwidth (5THz) is far beyond the speed limmit of any receivers (100GHz).

  • Signal is lost forever if the noise is not removed appropriatly.


Related Publications:

B. Wu, M. P. Chang, B. J. Shastri, and P. R. Prucnal, "Dispersion deployment and compensation for optical steganography based on noise," IEEE Photonics Technology Letters, 28(4), 421-424 (2016).

B. Wu, B. J. Shastri, P. Mittal, A. N. Tait, and P. R. Prucnal, "Optical signal processing and stealth transmission for privacy," Journal of Selected Topics in Signal Processing, 9(7), 1185-1194 (2015).

B. Wu, A. N. Tait, M. P. Chang, and P. R. Prucnal, "WDM optical steganography based on amplified spontaneous emission noise," Optics Letters, 39(20), 5925-5928 (2014).

B. Wu, B. J. Shastri, and P. R. Prucnal, "System performance measurement and analysis of optical steganography based on noise," IEEE Photonics Technology Letters, 26(19), 1920-1923 (2014).

B. Wu, Z. Wang, B. J. Shastri, M. P. Chang, N. A. Frost, and P. R. Prucnal, "Temporal phase mask encr

ypted optical steganography carried by amplified spontaneous emission noise," Optics Express, 22 (1), 954-961 (2014).

Project 3: 3D Microscope Reconstruction based on Structured Light

Key points:


  • Structured Light based 3D reconstruction algorithm

  • Micro-scene 3D reconstruction

  • Greatly descease reconstruction time from 2s (traditional confocal microscopy) to less than 1s while maintain great resolution about 20μm and working distance about 8cm


Project 4: Photonic Neural Networks for Deep Learning

Key points:


  • Deep learning Network Design

  • Analog Machine learning Circuit

  • Optical Neural Network Processor

  • Offline Deep learning Processor


Project 5: Selective Disinfection Against COVID-19 Based on Directional Ultraviolet Irradiation and Artificial Intelligence

UV Laser Quick scan Demo

UV Laser Slow scan Demo

Related Publications:

[1] B. Zierdt, T. Degroat, S. Furman, N. Papas, Z. Smoot, H. Zhang, T. Shi, and B. Wu*, "Selective disinfection against Covid-19 based on directional ultraviolet irradiation and artificial intelligence," Electronics, 10(20), 2557 (2021).