Publications

Journals (*Corresponding Author, †Co-first Authors)

1. J. X. B. Sia, W. Wang, X. Guo, J. Zhou, Z. Zhang, M. S. Rouifed, X. Li, Z. L. Qiao, C. Y. Liu, C. G. Littlejohns, G. T. Reed, and H. Wang*, “Mid-infrared, Ultra-Broadband, Low-Loss, Compact Arbitrary Power Splitter Based on Adiabatic Mode Evolution,” IEEE Photonics J., vol. 11, no. 2, p. 6601111, 2019.

2. J. X. B. Sia, W. Wang, X. Guo, J. Zhou, Z. Zhang, X. Li, Z. L. Qiao, C. Y. Liu, C. Littlejohns, G. T. Reed, and H. Wang*, “SiN-SOI Multilayer Platform for Prospective Applications at 2 µm,” IEEE Photonics J., vol. 11, no. 6, p. 6603809, 2019.

3. J. X. B. Sia, W. Wang, Z. Qiao, X. Li, X. Guo, J. Zhou, C. G. Littlejohns, Z. Zhang, C. Liu, G. T. Reed, and H. Wang*, “Compact silicon photonic hybrid ring external cavity (SHREC)/InGaSb-AlGaAsSb wavelength-tunable laser diode operating from 1881-1947 nm,” Opt. Express, vol. 28, no. 4, pp. 5134-5146, 2020.

4. J. X. B. Sia, X. Li, Z. Qiao, X. Guo, J. Zhou, C. G. Littlejohns, C. Liu, G. T. Reed, W. Wang, and H. Wang*, “1 × N (N = 2, 8) Silicon Selector Switch for Prospective Technologies at the 2 µm Waveband,” IEEE Photonic Tech. L., vol. 32, no. 18, pp. 1127-1130, 2020.

5. J. X. B. Sia, X. Li, W. Wang, Z. Qiao, X. Guo, J. Zhou, C. G. Littlejohns, C. Liu, G. T. Reed, and H. Wang*, “Sub-kHz linewidth, hybrid Ⅲ-Ⅴ/silicon wavelength-tunable laser diode operating at the application-rich 1647-1690 nm,” Opt. Express, vol. 28, no. 17, pp. 25215-25224, 2020.

6. J. X. B. Sia, W. Wang, Z. Qiao, X. Li, X. Guo, J. Zhou, C. G. Littlejohns, C. Liu, G. T. Reed, and H. Wang*, “Analysis of Compact Silicon Photonic Hybrid Ring External Cavity (SHREC) Wavelength-Tunable Laser Diodes Operating from 1881-1947 nm,” IEEE J. Quantum Electron., vol. 56, no. 6, p. 2001311, 2020 (featured on the cover of the December issue of IEEE J. Quantum Electron.).

7. J. X. B. Sia, X. Li, W. Wang, Z. Qiao, X. Guo, J. Wang, C. G. Littlejohns, C. Liu, G. T. Reed, K. S. Ang, and H. Wang*, “Compact, Hybrid Ⅲ-Ⅴ/Silicon Vernier laser diode operating from 1955 – 1992 nm,” IEEE Photonics J., vol. 13, no. 6, p. 1500205, 2021.

8. X. Li†, J. X. B. Sia†, J. Wang, Z. Qiao, W. Wang, X. Guo, H. Wang*, and C. Liu*, “Optical frequency comb generation from a 1.65 µm single-section quantum well laser,” Opt. Express, vol. 30, no. 3, pp. 4117 – 4124, 2022.

9. J. X. B. Sia, X. Li, W. Wang, J. Wang, Z. Qiao, X. Guo, S. Gunasagar, S. L. Tan, A. Sasidharan, C. G. Littlejohns, C. Liu, G. T. Reed, K. S. Ang, and H. Wang*, “Wafer-scale demonstration of low-loss (~0.43 dB/cm), high-bandwidth (> 38 GHz), silicon photonics platform operating at the C-band,” IEEE Photonics J., vol. 14, no. 3, p. 6628609, 2022. 

10. 10.  Z. Zhang, G. I. Ng*, T. Hu, H. Qiu, X. Guo, W. Wang, M. S. Rouifed, C. Liu, J. Sia, J. Zhou, C. G. Littlejohns, G. T Reed, and H. Wang, “Mid-Infrared Sensor Based on a Suspended Microracetrack Resonator With Lateral Subwavelength-Grating Metamaterial Cladding,” IEEE Photonics J., vol. 10, no. 2, p. 6801608, 2018.

11. Z. Zhang, G. I. Ng*, T. Hu, H. Qiu, X. Guo, W. Wang, M. S. Rouifed, C. Liu, J. Sia, J. Zhou, C. G. Littlejohns, M. Nedeljkovic, G. T. Reed, and H. Wang, “Experimental Demonstration of Thermally Tunable Fano and EIT Resonances in Coupled Resonant System on SOI Platform,” IEEE Photonics J., vol. 10, no. 3, p. 6601108, 2018.

12. X. Li, H. Wang*, Z. Qiao, X. Guo, W. Wang, J. X. B. Sia, G. I. Ng, Y. Zhang, Z. Niu, C. Tong, and C. Liu*, “High temperature characteristics of a 2 µm InGaSb/AlGaAsSb Passively mode-locked quantum well laser,” Appl. Phys. Lett., vol. 114, p. 221104, 2019.

13. X. Li, H. Wang*, Z. Qiao, J. X. B. Sia, W. Wang, X. Guo, Y. Zhang, Z. Niu, C. Tong, and C. Liu*, “Temperature-dependent phase noise properties of a two-section GaSb-based mode-locked laser emitting at 2 μm,” Appl. Phys. Lett., vol. 117, p. 141103, 2020.

14. Z. Qiao*, X. Li, J. X. B. Sia, W. Wang, H. Wang, L. Li, Z. Li, Z. Zhao, Y. Qu, X. Gao, B. Bo, and C. Liu, “Stable Mode-Locked Operation With High Temperature Characteristics of a Two-Section InGaAs/GaAs Double Quantum Wells Laser,” IEEE Access, vol. 9, pp. 16608-16614, 2021.

15. X. Li, J. X. B. Sia, W. Wang, Z. Qiao, X. Guo, G. I. Ng, Y. Zhang, C. Tong, H. Wang*, and C. Liu*, “Phase noise reduction of a 2 μm passively mode-locked laser through its hybrid integration with a silicon photonic circuit,” Optica, vol. 8, no. 6, pp. 855-860, 2021.

16. Z. Qiao*, X. Li, J. X. B. Sia, W. Wang, H. Wang, L. Li, Z. Li, Z. Zhao, G. Liu, H. Chen, Y. Qu, X. Gao, B. Bao, and C. Liu, “Mode-locked operation characteristics of a monolithic integrated two-section InGaAs/GaAs double quantum wells laser with asymmetric waveguide,” Opt. Laser Technol., vol. 147, p. 107702, 2022.

17. Z. Qiao*, X. Li, J. X. B. Sia, W. Wang, H. Wang, Z. Li, Z. Zhao, L. Li, X. Gao, B. Bo, Y. Qu, G. Liu, and C. Liu, “Modal gain characteristics of a two-section InGaAs/GaAs double quantum well passively mode-locked laser with asymmetric waveguide,” Sci. Rep., vol. 12, no. 5010, 2022.

18. X. Li, J. X. B. Sia, J. Wang, Z. Qiao, W. Wang, X. Guo, H. Wang, and C. Liu*, “Optoelectronic oscillator based on a silicon microring modulator,” under preparation.

19. J. Wang, J. X. B. Sia*, X. Li, X. Guo, W. Wang, Z. Qiao, C. G. Littlejohns, C. Liu, G. T. Reed, and H. Wang*, “4 × 4 silicon photonic plasma dispersive switch operating at the 2 μm waveband,” accepted by Opt. Express, vol. 31, no. 20, pp. 33584-33564, 2023.

20. L. Ranno†, J. X. B. Sia†,*, K. P. Dao, and J. Hu*, “Multi-material heterogeneous integration on a 3-D Photonic-CMOS platform,” accepted by Opt. Mater. Express, vol. 13, no. 13, 2023. (Editors Pick, Most downloaded)

21. L. Ranno, Y. Z. Tan, C. S. Ong, X. Guo, K. N. Koo, X. Li, C. Liu, C. Littlejohns, J. Hu, G. T. Reed, H. Wang, and J. X. B. Sia*, “Crown ether-silicon photonic scalable platform for selective Pb2+ part-per-billion-scale detection,” accepted by Nature Communications, 2023 (To be featured in MIT News).

22. J. Wang, X. Li, X. Guo, W. Wang, Z. Qiao, Luigi Ranno, C. G. Littlejohns, C. Liu, G. T. Reed, H. Wang and J. X. B. Sia*, “Ultra-narrow linewidth, hybrid III-V/silicon lasers for wavelength division multiplexing,” submitted to Opt. Express.

23. L. Ranno, J. X. B. Sia, C. Popescu, D. Weninger, S. Serna, S. Yu, L. C. Kimerling, A. Argarwal, T. Gu, and J. Hu*, "Highly-efficient fiber to Si-waveguide free-form coupler for foundry-scale silicon photonics," Photonics Research, vol. 12, no. 5, pp. 1055-1066, 2023 (Editors Pick).

24. L. Ranno, K. Hayashi, S. Serna, X. Li, C. Liu, G. Xin, Rusli, P. E. Lauer, H. Wang, C. Ross, J. Hu, and J. X. B. Sia*, "Electrically-driven photonic non-reciprocity via the monolithic seedlayer-free Bi:TbIG/silicon photonic platform," submitted to Opt. Lett..

25. K. Hayashi, K. P. Dao, M. J. Gross, L. Ranno, J. X. B. Sia, T. Fakhrul, Q. Du, N. Chatterjee, J. Hu, and C. Ross*, "Magnetooptical Bi-substituted yttrium and terbium iron garnets for on-chip crystallization via microheaters," under revision at Adv. Opt. Mater..

26. L. Ranno, Zhiyun Xu, Juejun Hu*, and Jia Xu Brian Sia*, "Current and moving trends in heterogeneously integrated photonics: a review and perspectives," under preparation.

27. L. Ranno, Juejun Hu, and Jia Xu Brian Sia*, "Rotator-free magnetooptical isolator via reinforcement learning," under preparation.

28. L. Ranno, Y. Z. Tan, C. S. Ong, X. Guo, K. N. Koo, X. Li, C. Liu, C. Littlejohns, J. Hu, G. T. Reed, H. Wang, and J. X. B. Sia*, “Integrated Photonic Sensors: the state-of-art,” under preparation.

29. Y. Z. Tan, L. Ranno C. S. Ong, X. Guo, K. N. Koo, X. Li, C. Liu, C. Littlejohns, J. Hu, G. T. Reed, H. Wang, and J. X. B. Sia*, “Crown ether based sensors: the state-of-art,” under preparation.

30. Z. Xu, L. Ranno, J. Hu, and J. X. B. Sia*, "Integrated photonic memories: the state-of-art," under preparation.

31. X. Tong, and J. X. B. Sia*, "Grey-scale lithography: strategies and methods," under preparation.

32. L. Ranno, J. Hu, J. X. B. Sia*, "Inverse photonic design at the 2 µm waveband," under preparation.

Patents (*Primary Inventor)

1. J. X. B. Sia*, H. Wang, and K. S. Ang, “Silicon Photonic Device for Generating Laser Light,” NTU Ref. 2020-371, licensed to Fingate PTE. LTD. in 2023 for 25,000 ++ SGD, patent pending.

2. J. X. B. Sia*, H. Wang, and K. S. Ang, “Silicon Photonic Device For Gas Monitoring,” NTU Ref. 2020-372, licensed to Fingate PTE. LTD. in 2023 for 25,000 SGD ++, patent pending.

3. J. X. B. Sia*, H. Wang, and K. S. Ang, “Reflector For Use in Laser Architecture,” NTU Ref. 2020-373, licensed to Fingate PTE. LTD. in 2023 for 25,000 SGD, patent pending.

4. J. X. B. Sia*, H. Wang, and K. S. Ang, “System and Method For Generating Wavelength-Tuning Plot For Laser,” NTU Ref. 2020-374, licensed to Fingate PTE. LTD. in 2023 for 25,000 SGD ++, patent pending.

5. J. X. B. Sia*, H. Wang, and K. S. Ang, “Laser Device,” NTU Ref. 2020-375, licensed to Fingate PTE. LTD. in 2023 for 25,000 SGD ++, patent pending.

6. J. X. B. Sia*, L. Ranno, K. P. Dao, Q. Qu, C. Popescu, K. Hayashi, S. Vitale, T. Gu, C. Ross, and J. Hu, “Methods for CMOS integration with reduced thermal budget,” Joint IP between NTU and MIT, United States of America Serial No. 63/386669, filed December 8, 2022

7. L. Ranno*, J. X. B. Sia*, and J. Hu*, “Methods and applications of heterogeneous integration with zero-change foundry process,” Joint IP between NTU and MIT, filed in March 2023.  

1-5have been licensed to industry with licensing fees in excess of 500,000 SGD in 2023

Conference Papers (*Corresponding Author, †Co-first Authors)

1. J. X. B. Sia, W. Wang, Z. Qiao, X. Li, X. Guo, J. Zhou, Z. Zhang, C. Littlejohns, C. Liu, G. T. Reed, and H. Wang, “Compact, ultra-tunable InGaSb/AlGaAsSb external cavity laser at the Mid-Infrared (MIR),” Conference on Lasers and Electro-Optics (CLEO), 2019.

2. J. X. B. Sia, W. Wang, Z. Qiao, X. Li, X. Guo, J. Zhou, C. G. Littlejohns, Z. Zhang, C. Liu, G. T. Reed, and H. Wang, “Silicon Nitride Waveguiding for Prospective Technologies at the 2 μm Waveband,” IEEE Group Ⅳ Photonics (GFP), 2019.

3. M. Rouifed, C. G. Littlejohns, G. X. Tina, J. X. Sia, H. Qiu, J. S. Penades, M. Nedeljkovic, Z. Zhang, C. Liu, D. J. Thomson, G. Z. Mashanovich, G. T. Reed, and H. Wang, “Silicon photonic devices for the mid-infrared,” Conference on Lasers and Electro-Optics Pacific Rim (CLEO-PR), 2017.

4. W. Wang, H. Qiu, Z. Zhang, X. Guo, J. X. B. Sia, M. S. Rouifed, C. Liu, and H. Wang, “Integrated Optical Mode Converter for Mid-Infra-red (MIR) Mode-division Multiplexing System,” The 7th Multidisciplinary Conference on Optofluidics, 2017.

5. W. Wang, Z. Zhang, X. Guo, J. Zhou, J. X. B. Sia, M. S. Rouifed, C. Liu, C. Littlejohns, G. T. Reed, and H. Wang, “Mid-infrared (MIR) Mach-Zehnder Silicon Modulator at 2μm Wavelength based on Interleaved PN Junction,” Conference on Lasers and Electro-Optics (CLEO), 2018.

6. C. Liu, X. Li, Z. Qiao, J. X. B. Sia, W. Wang, J. Zhou, X. Guo, and H. Wang, “Study on the Quantum Dot and Facet Amplified Spontaneous Emission,” 10th International Conference on Materials for Advanced Technologies (ICMAT), 2019.

7. C. Liu, X. Li, Z. Qiao, J. X. B. Sia, W. Wang, J. Zhou, X. Guo, and H. Wang, “Two-state Lasing from GaAs-based InAs/InGaAs Quantum Dot Mode-locked laser,” 10th International Conference on Materials for Advanced Technologies (ICMAT), 2019.

8. W. Wang, J. X. B. Sia, Z. Qiao, X. Li, X. Guo, J. Zhou, C. Liu, C. G. Littlejohns, G. T. Reed, and H. Wang, “Two-mode multiplexer based on the multilayer Si-SiN platform for 2 μm waveband,” The 18th International Conference on Optical Communications and Networks (ICOCN), 2019.

9. S. Feng, W. Wang, J. X. B. Sia, X. Guo, J. Zhou, Z. Qiao, X. Li, and H. Wang, “The design of 1 × 2 MMI at the MIR wavelength of 2 µm,” IEEE International Conference on Electron Devices and Solid-State Circuits (EDSSC), 2019.

10. D. J. Thomson, K. Li, W. Cao, D. Hagan, S. Liu, F. Meng, M. Nedelkjovic, A. Z. Khokhar, C. G. Littlejohns, W. Zhang, M. Ebert, A. Shakoor, B. Chen, S. Alam, J. Wang, X. Chen, L. Mastronardi, M. Banakar, L. Crudgington, F. Y. Gardes, J. X. B. Sia, W. Wang, Z. Qiao, X. Li, X. Guo, H. Wang, P. Wilson, G. Z. Mashanovich, A. Knights, and G. T. Reed, “Silicon Optical Modulators for Data Transmission in Different Wavelength Bands,” 21st International Conference on Transparent Optical Networks (ICTON), 2019.

11. X. Li, H. Wang, W. Wang, J. X. B. Sia, X. Guo, and C. Liu, “Experimental Auger Recombination Study of a 2 μm GaSb-Based Quantum Well Laser via Sidewall Spontaneous Emission,” IEEE International Symposium on the Physical and Failure Analysis of Integrated Circuits, 2020.

12. L. Ranno†, Y. Z. Tan†, C. S. Ong, X. Guo, K. N. Koo, X. Li, W. Wang, S. Serna, C. Liu, Rusli, C. Littlejohns, G. Reed, J. Hu, H. Wang, and J. X. B. Sia*, "A crown ether decorated silicon photonic platform to safeguard against widespread lead toxification in society," Conference on Lasers and Electro-Optics (CLEO), 2024, accepted. 

13. L. Ranno, J. X. B. Sia, C. Popescu, D. Weninger, S. Serna, S. Yu, L. Kimerling, A. Argarwal, T. Gu, and J. Hu*, "3D Free-Form Micro-Reflectors for Broadband and Low-Loss Scalable Fiber to Si-Waveguide Coupling," Conference on Lasers and Electro-Optics (CLEO), 2024, accepted.

14. L. Ranno, K. P. Dao, J. Hu*, and J. X. B. Sia*, "Substrate-Inverted Multi-Material Integration Technology (SuMMIT)," Conference on Lasers and Electro-Optics (CLEO), 2024, accepted.