Doctoral candidate @ the Tokyo Institute of Technology

Technical Skills: C, C++, Python, MATLAB, Julia, Git, CUDA

Interests: Unconventional Computing Architectures, Optimisation algorithms, Parallel / Quantum Computing, Deep / Machine learning, Compressed Sensing

Google Scholar | ORCID | Researchgate | Twitter | TokyoTech Blog
Languages: Sinhala (Native), English (Fluent), Japanese (Fluent)

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Education

• Ph.D., Artificial Intelligence

  Tokyo Institute of Technology (March 2025)

• M.Eng., Artificial Intelligence

  Tokyo Institute of Technology (March 2022)

• B.Eng., Information Science

  Shonan Institute of Technology (March 2020)

• H.S., Physical Science stream

  Nalanda College, Colombo 10 (August 2015)

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Work Experience

Research intern at NTT Research Physics and Informatics Laboratories

Term 1 - (June 2021 - August 2021)

• Implementation and evaluation of an efficient method to incorporate Zeeman terms on the Gaussian SDEs of CIM for improve the success probability.
• Developed a codebase using GPU parallelisation (CUDA) for faster numerical simulations for large-scale problem instances.

Term 2 - (July 2023 - Present)

• Cannot be discolsed until publication due to an non disclosure agreement.

Intern @ Jij Inc. (February 2022 - March 2022)

• Evaluated performance of Hybrid Simulated Quantum Annealing.

Research Assistant @ Tokyo Institute of Technology (November 2020 - December 2021)

• Improved the compressed sensing image reconstruction accuracy of the quantum-classical hybrid system (CIM-CDP).
• Successfully implemented the Chaotic Amplitude Control algorithm for large-scale L_0-regularised compressed sensing image reconstruction.

Student Assistant @ Shonan Institute of Technology (April 2019 - March 2020)

• Assisted teaching on Artificial intelligence, logic circuits and Java programming.

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Scholarships

• Atsumi International foundation scholarship (3,000,000 JPY ≈ 6,800,000 LKR)
• Kobayashi Scholarship foundation scholarship (6,480,000 JPY ≈ 14,700,000 LKR )
• Rotary-Yoneyama memorial scholarship (Club support) (1,680,000 JPY ≈ 3,800,000 LKR)
• Rotary-Yoneyama memorial scholarship (1,200,000 JPY ≈ 2,700,000 LKR)
• Monbukagakusho Honors Scholarship for Privately-Financed International Students (576,000 JPY ≈ 1,300,000 LKR)

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Projects

Coherent Ising machines with artificial Zeeman terms

Publication 1 Publication 2

TBA

Coherent Compressed Sensor

Publication

TBA

Two-Phase Quasi-Newton method with Momentum

Publication

TBA

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Talks & Posters

• Poster @ QIP 2024, Taipei, Taiwan on “L0-Regularised Compressed Sensing with Closed-loop Coherent Ising Machines”
• Poster @ CNC22, Stanford University on “Effective implementation of L0-regularised compressed sensing with chaotic-amplitude-controlled coherent Ising machines”
• Poster @ StatPhys28, the University of Tokyo on “Effective implementation of L0-regularised compressed sensing with chaotic-amplitude-controlled coherent Ising machines”
• Talk @ NTT Basic Research Laboratories (NTT BRL), Atsugi, Japan on “Compressed Sensing with Coherent Ising Machines”.
• Talk @ Science Agora BEAST booth 2022, Tokyo on “Combinatorial Optimisation with quantum and Ising machines”.
• Invited Podcast talk with Mr. Ren on “Quantum Computers”.

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Publications

1. Gunathilaka, M.D.S.H., Inui Y, Kako S, Yamamoto Y, Aonishi T. Mean-field coherent Ising machines with artificial Zeeman terms. Journal of Applied Physics. 2023;134(23):234901. [Journal of Applied Physics - IF: 2.877].
2. Gunathilaka, M.D.S.H., Kako, S., Inui, Y. et al. Effective implementation of l0-regularised compressed sensing with chaotic-amplitude-controlled coherent Ising machines. Sci Rep 13, 16140 (2023). [Nature Scientific Reports - IF: 4.997].
3. Inui, Y., Gunathilaka, M.D.S.H., Kako, S. et al. Control of amplitude homogeneity in coherent Ising machines with artificial Zeeman terms. Commun Phys 5, 154 (2022). [Nature Communications Physics - IF: 6.497].
4. M. D. S. H. Gunathilaka, Mahboubi S and Ninomiya H, “Acceleration Technique of Two-Phase Quasi-Newton Method with Momentum for Optimization Problems” [2020] Thinkmind.org 59.

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Positions

• Head of the Core-Committee of the Sri Lankan Professionals Association Japan – SLPAJ (Year 2022/23).
• Administrative member of the student group BEAST. (2022~)
• Student Ambassedor for Tokyo Institute of Technology. (2022/04 ~)
• Assistant Treasurer of Rotary Yoneyama Sri Lanka Alumni Association. (2022/09 ~2023/09)
• Organiser at Consciousness Club Tokyo (2022/10 ~)

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Awards

• Grade 3 holder on Music Theory from Associated Board of Royal School of Music, London, UK
• Best performance in Japanese language, Nalanda College (2010)
• ICSQCC 2013, Lucknow, India, member of the winning team of consolation prize for the “Bio-gas project” from Nalanda college.
• Faculty of engineering, department of Information science, Student excellence award, supplementary prize (2019)
• Gold medalist at 4th South Asian Karate & Kobudo International tournament of Okinawa Shorinryu Shorinkan Association for both Kata & Kumite.