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Lawrence R Chen

Academic title(s): 

Academic Lead and Faculty Scholar, ELATE (Enhancing Learning and Teaching in Engineering)

Engineer (OIQ)

Lawrence R Chen
Contact Information
Address: 

Department of Electrical & Computer Engineering
McConnell Engineering Building
3480 University Street, Room 811
Montreal, QC     H3A 0E9
Canada

Phone: 
514-398-1879
Email address: 
lawrence.chen [at] mcgill.ca
Current research: 

Topics

Engineering education (faculty development, learning mechanisms, and learning systems); photonic integration; microwave photonics; optical communications

Papers related to engineering education

  1. L. R. Chen, M. Amin, C. Belleville, M. Bruno, M. Gostraya, T. Jrab, M. P. Lemina, D. Rekkas, and A.  Yaffe, "Students as partners to enhance an introductory course on the engineering profession: a case study," International Journal of Engineering Education, in press, 2024.
  2. L. R. Chen, "Student-generated infographics and videos for learning about professional obligations and the impact of engineering on society," American Society for Engineering Education Annual Conference & Exposition, 23-26 June 2024, Portland, OR.
  3. S. Maw, P. Ostafichuk, P. Neufeld, L. Chen, K. Moozeh, B. Frank, C. Jaeger, G. McSorley, and J. Grove, "Preliminary employment trajectory findings from a pan-Canadian survey on career motivations and aspirations of undergraduate engineering students," Canadian Engineering Education Association Conference, 15-19 Jun 2024, Edmonton, AB.
  4. P. M. Ostafichuk, S. Maw, P. Neufeld, L. Chen, K. Moozeh, B. Frank, C. Jaeger, G. McSorley, and J. Grove, "The process behind a multi-institutional effort to track engineering employment trajectory," Canadian Engineering Education Association Conference, 15-19 Jun 2024, Edmonton, AB.
  5. L. R. Chen, K. B. Downey, and E. Whitteck, "A multi-institutional alternative assessment faculty learning community: supporting teaching in higher education," CourseSource, vol. 10, 2023.
  6. M. Malik and L. R. Chen, "When AI meets Examopedia - lessons learnt by working alongside AI," UK and Ireland Engineering Education Research Network Annual Symposium, 1-2 Jun 2023.
  7. R. Adams and L. R. Chen, "Students' reflections on the impact of paid summer photonics research internships," Conference on Education and Training in Optics and Photonics: ETOP, 15-18 May 2023, Orlando, FL.
  8. L. R. Chen, "Group work on midterm and final exams in the remote teaching and learning context and beyond," International Conference on Education and New Learning Technologies, 4-6 Jul 2022, Palma de Mallorca, Sapin.
  9. I. El Boijairami, S. Kouthouridis, Z. Sobhanigavgani, M. Jacques, C. Moraes, S. Omelon, M. Driscoll, and L. R. Chen, "Utility and implementation of reflection in distinct types of engineering courses," Canadian Engineering Education Association Conference, 9-12 Jun 2019, Ottawa, ON.
  10. L. R. Chen, M. Jacques, and Z. Sobhanigavgani, "On the use of reflective writing for improving student learning of conceptual and technical problems in engineering," Canadian Engineering Education Association Conference, 9-12 Jun 2019, Ottawa, ON.
  11. L. R. Chen and M. Jacques, "On the use of reflective writing in an introductory photonics course," Conference on Education and Training in Optics and Photonics: ETOP, 21-24 May 2019, Quebec City, QC.
  12. L. R. Chen and M. Orjuela-Laverde, "Implementing reflective writing in large non-technical engineering courses," Canadian Engineering Education Association Conference, 3-6 Jun 2018, Vancouver, BC.
  13. R. Adams and L. R. Chen, "Engaging college physics students with photonics research," Conference on Education and Training in Optics and Photonics: ETOP, 29-31 May 2017, Hangzhou, China.
  14. M. Orjuela-Laverde and L. R. Chen, "Using peer-review as an active learning strategy in a large first year course," Canadian Engineering Education Association Conference, 8-11 Jun 2014, Canmore, AB.
  15. R. Adams and L. R. Chen, "Photonics research in the college physics classroom - a college and university collaboration," Physics in Canada, Issue on Physics Education, vol. 2, 2014.

Invited journal papers related to photonics (selected)

  1. Y. Xie, M. Khalil, H. Sun, J. Liu, Z. Lu, P. J. Poole, J. Weber, G. Liu, M. Rahim, and L. R. Chen, "Applications of quantum dash mode-locked laser in microwave photonics," Electromagnetic Science, in press, 2024.
  2. H. Sun, B. Tagliette, and L. R. Chen, "Integrated subwavelength grating waveguide Bragg gratings for microwave photonics," IEEE/Optica Journal of Lightwave Technology, Special Issue on Microwave Photonics, vol. 40, no. 20, pp. 6636-6649, 2022.
  3. H. Sun, M. Khalil, Z. Wang, and L. R. Chen, "Recent progress in integrated electro-optic frequency comb generation," Journal of Semiconductors, Issue on Semiconductor Optoelectronic Integrated Circuits, vol. 42, no. 4, 042301, 2021.
  4. L. R. Chen, J. Wang, B. Naghdi, and I. Glesk, Subwavelength grating waveguide devices for telecommunications applications," IEEE Journal on Selected Topics in Quantum Electronics, Issue on Metamaterial Photonics and Integration, vol. 25, no. 3, 8200111, 2019.
  5. R. Maram, S. Kaushal, J. Azana, and L. R. Chen, "Recent trends and advances of silicon-based integrated microwave photonics," MDPI Photonics, vol. 6, no. 1, 13, 2019.
  6. L. R. Chen, P. Moslemi, Z. Wang, M. Ma, and R. Adams, "Integrated microwave photonics for spectral analysis, waveform generation, and filtering," IEEE Photonics Technology Letters, Special Issue on Integrated Microwave Photonics, vol. 30, no. 21, pp. 1838-1841, 2018.
  7. L. R. Chen, "Silicon photonics for microwave photonics applications," IEEE/Optica Journal of LIghtwave Technology, Special Issue on Selected Papers from OFC (Invited and Top Scored), vol. 35, no. 4, pp. 824-835, 2017.
  8. L. R. Chen, "Chirped microwave and millimeter wave pulse generation based on optical spectral shaping and wavelength-to-time mapping in silicon photonics," Optics Communications, Special Issue on Integrated Microwave Photonics, vol. 373, pp. 70-81, 2016.

Recent journal papers related to photonics (since 2017)

  1. Z. Wei, J. Zhang, W. Li, C. St-Arnault, S. Bernal, M. Khalil, R. Gutierrez-Castrejon, L. R. Chen, and D. V. Plant, "Physical layer service fairness of 200-Gbps TDM-NOMA coherent passive optical networks within single time slot," IEEE/Optica Journal of LIghtwave Technology, in press, 2024.
  2. M. Khalil, L. R. Chen, D. V. Plant, A. Chan, and R. Kuang, "Experimental demonstration of quantum encryption in phase space with displacement operator in coherent optical communications," European Physics Journal - Quantum Technology, vol. 11, article 49, 2024.
  3. Y. Xie, M. Khalil, T. Erfan, J. Liu, Z. Lu, P. J. Poole, J. Weber, G. Liu, M. Rahim, and L. R. Chen, "An arbitrary waveform generation system using a quantum dash optical frequency comb source," Optics Continuum, vol. 3, no. 8, pp. 1291-1301, 2024.  [Editor's pick]
  4. Y. Xie, M. Khalil, J. Liu, Z. Lu, P. J. Poole, J. Weber, G. Liu, M. Rahim, and L. R. Chen, "An instantaneous frequency measurement system based on quantum dash mode-locked laser," Optics Express, vol. 32, no. 9, pp. 16027-16039, 2024. 
  5. M. Khalil, Y. Xie, E. Berikaa, J. Liu, Z. Lu, P. J. Poole, G. Liu, J. Weber, D. V. Plant, and L. R. Chen, "Performance of quantum-dash mode-locked lasers (QD-MLLDs) for high-capacity coherent optical communications," Optics Express, vol. 32, no. 1, pp. 217-229, 2024.
  6. A. Rabiepoor, S. Alireza Nezamalhosseini, and L. R. Chen, "IRS-assisted vehicular visible light communication systems:  channel modeling and performance analysis," Applied Optics, vol. 63, no. 1, pp. 167-178, 2024.
  7. Y. Xie, M. Khalil, H. Sun, S. Moosabhoy, J. Liu, Z. Lu, P. J. Poole, J. Weber, and L. R. Chen, "Photonic beamforming using quantum-dash mode-locked frequency comb laser," Applied Optics, vol. 62, no. 32, pp. 8696-8701, 2023.
  8. A. Chan, M. Khalil, Kh. A. Shahriar, D. V. Plant, L. R. Chen, and R. Kuang, "Encryption in phase space for classical coherent optical communications," Scientific Reports, vol. 13, 12965, 2023.
  9. Z. Wei, C. Nacke, M. Khalil, H. Sun, K. Stitt, J. Lougheed, L. R. Chen, and D. V. Plant, "AL-aided automatic modulation classification in multi-user white-light OFDMA VLC system over a light-diffusing fiber loop," Optics Letters, vol. 48, no. 14, pp. 3661-3664, 2023.
  10. M. Javad Zakavi, S. A. Nezamalhosseini, and L. R. Chen, "Multi-user massive MIMO-OFDM for visible light communication systems," IEEE Access, vol. 11, pp. 2259-2273, 2023.
  11. H. Sun and L. R. Chen, "Polarization independent subwavelength grating waveguide Bragg gratings," Optics Letters, vol. 31, no. 2, pp. 1214-1223, 2023.
  12. M. A. Amirabadi, S. A. Nezamalhosseini, M. H. Kahaei, and L. R. Chen, "Improving MDM-WDM optical network performance via optimized power allocation using Gaussian noise model," Optical Fiber Technology, vol. 75, 103187, 2023.
  13. H. Rabbani, S. A. Nezamalhosseini, L. R. Chen, and A. Beheshti-Shirazi, "Optimal power allocation in serial relay-assisted underwater wireless optical communication systems," IET Optoelectronics, vol. 17, no. 1, pp. 12-23, 2023.
  14. M. Khalil, H. Sun, E. Berikaa, D. V. Plant, and L. R. Chen, "Electrically reconfigurable waveguide Bragg grating filters," Optics Express, vol. 30, no. 22, pp. 39643-39651, 2022.
  15. J. Wang, C. Fang, N. Dong, W. Jiang, Z. Chen, L. R. Chen, and X. Sun, "Ultra-broadband subwavelength grating coupler for bound state in continuum," IEEE Photonics Journal, vol. 14, no. 4, 2735104, 2022.
  16. M. A. Amirabadi, M. H. Kahaei, S. A. Nezamalhosseini, and L. R. Chen, "Optimal power allocation in nonlinear MDM-WDM systems using Gaussian noise model," IET Optoelectronics, vol. 16, no. 3, pp. 133-148, 2022.
  17. H. Sun, M. Khalil, J. Liu, Z. Lu, P. J. Poole, J. Weber, D. V. Plant, and L. R. Chen, "Reconfigurable microwave photonics filter based on a quantum dash mode-locked laser," Optics Letters, vol. 47, no. 5, pp. 1133-1136, 2022.
  18. S. Zargari, M. Kolivand, S. A. Nezamalhosseini, B. Abolhassani, L. R. Chen, and M. H. Kahaei, "Resource allocation of hybrid VLC/RF systems with light energy harvesting," IEEE Transactions on Green Communications and Networking, vol. 6, no. 1, pp. 600-612, 2022.
  19. L. Liu, X. Jian, W. Dong, L. R. Chen, and J. Capmany, "Dual-frequency optoelectronic oscillator incorporating a single cavity and multiband microwave photonic filter," Optics Express, vol. 29, no. 9, pp. 14006-14015, 2021.
  20. H. Sun and L. R. Chen, "Polarization dependent tuning of Bragg reflection enabled through tilted subwavelength grating waveguide Bragg gratings," Optics Letters, vol. 46, no. 6, pp. 1450-1453, 2021.
  21. Y. Wang, H. Sun, M. Khalil, W. Dong, I. Gasulla, J. Capmany, and L. R. Chen, "On-chip optical true time delay lines based on subwavelength grating waveguides," Optics Letters, vol. 46, no. 6, pp. 1405-1408, 2021.
  22. S. A. Nezamalhosseini and L. R. Chen, "Optimal power allocation for MIMO underwater wireless optical communication systems using channel state information at the transmitter," IEEE Journal of Oceanic Engineering, vol. 46, no. 1, pp. 319-325, 2021.
  23. L. Liu, X. Jin, T. Ning, L. R. Chen, and J. Capmany, "Optical spectral slicing based reconfigruable and tunable microwave photonic filter," IEEE/Optica Journal of Lightwave Technology, Special Issue on Microwave Photonics, vol. 38, no. 19, pp. 5492-5499, 2020.
  24. G. Nemova, X. Jin, L. R. Chen, S. V. firstov, and O. Sezerman, "Modeling and experimental characterization of dual-wavelength Bi-doped fiber lasers with cascaded cavities," Journal of the Optical Society of America B, vol. 37, no. 5, pp. 145301460, 2020.
  25.  Z. Wang, M. Ma, H. Sun, M. Khalil, R. Adams, K. Yim, X. Jin and L. R. Chen, "Optical frequency comb generation using CMOS compatible cascaded Mach-Zehnder modulators," IEEE Journal of Quantum Electronics, vol. 55, no. 6, 8400206, 2019.
  26. R. Maram, D. Onori, J. Azana, and L. R. Chen, "Discretely programmable microwave photonics filter based on temporal Talbot effects," Optics Express, vol. 27, no. 10, pp. 14381-14391, 2019.
  27. U. A. Korai, Z. Wang, C. Lacava, L. R. Chen, U. Glesk, and M. J. Strain, "A technique for the measurement of picosecond optical pulses using a non-linear fiber loop mirror and an optical power meter," Optics Express, vol. 27, no. 5, pp. 6377-6388, 2019.
  28. Z. Wang, M. Ma, and L. R. Chen, "Integrated optical add-drop multiplexer in SOI based on mode selection and Bragg reflection," IEEE Photonics Technology Letters, vol. 30, no. 24, pp. 2107-2110, 2018.
  29. P. Moslemi, M. Rochette, and L. R. Chen, "Generating multi-channel chirped microwave waveforms using silicon photonic spectral shapers," IEEE/Optica Journal of Lightwave Technology, vol. 36, no. 23, pp. 5498-5504, 2018.
  30. M.-I. Comanici, J. Hu, P. Moslemi, and L. R. Chen, "Simultaneous interrogation of multiple fiber Bragg grating temperature sensors using a microwave photonics approach," Applied Optics, vol. 57, no. 28, pp. 8338-8442, 2018.
  31. Z. Wang, L. R. Chen, and I. Glesk, "All-optical signal processing based on integrated nonlinear optical loop mirror in silicon photonics," APL Photonics, vol. 3, no. 2, 026102, 2018.
  32. M.-I. Comanici, L. R. Chen, and P. Kung, "Microwave photonic filter-based interrogation system for multiple fiber Bragg grating sensors," Applied Optics, vol. 56, no. 32, pp. 9074-9078, 2017.
  33. P. Moslemi, L. R. Chen, and M. Rochette, "Simultaneously generating multiple chirped microwave waveforms using an arrayed waveguide Sagnac interferometer," IET Electronics Letters, vol. 53, no. 23, pp. 1534-1535, 2017.
  34. B. Naghdi and L. R. Chen, "Spectral engineering of subwavelength-grating-based contradirectional couplers," Optics Express, vol. 25, no. 21, pp. 25310-25317, 2017.
  35. P. Moslemi and L. R. Chen, "Simultaneously generating multiple chirped microwave pulses with superimposed FBGs," IEEE Photonics Technology Letters, vol. 29, no. 6, pp. 1387-1390, 2017.
  36. M. Rezagholipour Dizaji, C. J. Kruckel, A. Fulop, P. A. Andrekson, V. Torres-Company, and L. R. Chen, "Silicon-rich nitride waveguides for broadband nonlinear signal processing," Optics Express, vol. 25, no. 11, pp. 12100-12108, 2017.
  37. M. Ma, R. Adams, and L. R. Chen, "Integrated photonic chip enabled simultaneous multi-channel ultra-wideband radio frequency spectrum analyzer," IEEE/Optica Journal of Lightwave Technology, vol. 35, no. 13, pp. 2622-2628, 2017.
  38. C. Jia, B. Shastri, P. R. Prucnal, M. Saad, and L. R. Chen, "Simultaneous Q-switching of a Tm3+:ZBLAN fiber laser at 1.9 um and 2.3 um using graphene," IEEE Photonics Technology Letters, vol. 29, no. 4, pp. 405-408, 2017.

Current group

  • Dr. Nitika Vaish, postdoctoral researcher
  • Yuxuan Xie, PhD student
  • Xi Wang, PhD student
  • Zhuoran Wang, PhD student
  • Ali Roohforouz, PhD student
  • Luyao Xie, PhD student
  • Max Wu-Blouin, undergraduate researcher in engineering education
  • Kennedy Olsen, undergraduate researcher in engineering education
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