Multi-physics computer-aided modelling of vertical cavity surface emitting lasers (VCSELs)

Bachelor of Science

• Electronic Circuits. A.A. 2024/25, ELECTRONIC AND COMMUNICATIONS ENGINEERING (INGEGNERIA ELETTRONICA E DELLE COMUNICAZIONI). Collaboratore del corso
• Electronic Circuits. A.A. 2025/26, ELECTRONIC AND COMMUNICATIONS ENGINEERING (INGEGNERIA ELETTRONICA E DELLE COMUNICAZIONI). Collaboratore del corso

• Torrelli, Valerio; Gullino, Alberto; Lindner, Julian; Moiso, Gabriele; Dalessandro, ... (2026)
  Beyond 30 mW of Single-Mode Power in Linearly-Polarised VCSELs. In: IEEE JOURNAL OF SELECTED TOPICS IN QUANTUM ELECTRONICS, vol. 32, pp. 1-12. ISSN 1558-4542
  Contributo su Rivista
• D'Alessandro, Martino (2026)
  Multi-Mode Dynamics in Transverse-Coupled-Cavity VCSELs. relatore: TIBALDI, ALBERTO; BERTAZZI, FRANCESCO; , 38. XXXVIII Ciclo, P.: 92
  Doctoral Thesis
• Torrelli, Valerio; D'Alessandro, Martino; Gullino, Alberto; Alasio, Matteo; Tibaldi, ... (2026)
  Elliptically polarized light obtained from tilted high-contrast grating VCSELs. In: OPTICS LETTERS, vol. 51, pp. 29-32. ISSN 0146-9592
  Contributo su Rivista
• De Adelsburg Ettmayer, Thomas; Ledentsov, Nikolay; Ledentsov, Nikolay N.; Shchukin, ... (2026)
  Birefringence characterization of coupled-cavity VCSELs. In: SPIE Photonics Europe 2026, Strasbourg (Fra), 12-16 Aprile 2026, pp. 1-7
  Contributo in Atti di Convegno (Proceeding)
• Dalessandro, Martino.; Torrelli, V.; Gullino, Alberto; Alasio, M. G. C.; Nespola, A.; ... (2026)
  Design and modeling of asymmetric bow-tie VCSELs for 100 GHz and beyond. In: OPTICS EXPRESS, vol. 34, pp. 7979-7995. ISSN 1094-4087
  Contributo su Rivista
• Hu, Yinghui; Brenner, Carsten; Ledentsov, Nikolay N.; Ledentsov, Nikolay; Shchukin, ... (2025)
  A coupled-cavity mini-array VCSEL for CW THz generation. In: SPIE Photonics West - OPTO, San Francisco (USA), 25-30 gennaio 2025, pp. 1-4
  Contributo in Atti di Convegno (Proceeding)
• D'Alessandro, Martino; Torrelli, Valerio; Debernardi, Pierluigi; Gullino, Alberto; ... (2025)
  Modelling Coherent Emission in Transverse Coupled Cavity VCSELs. In: 2025 International Conference on Numerical Simulation of Optoelectronic Devices (NUSOD), Lodz (Pol), 14-18 settembre 2025, pp. 125-126. ISBN: 979-8-3315-2153-0
  Contributo in Atti di Convegno (Proceeding)
• Gullino, Alberto; D'Alessandro, Martino; Torrelli, Valerio; Tibaldi, Alberto; Bertazzi, ... (2025)
  VCSEL Thermal Sources: A Physics-Based Simulation Approach. In: 2025 International Conference on Numerical Simulation of Optoelectronic Devices (NUSOD), Lodz (Pol), 14-18 settembre 2025, pp. 129-130. ISBN: 979-8-3315-2153-0
  Contributo in Atti di Convegno (Proceeding)
• Torrelli, V.; Alasio, Matteo; D'Alessandro, Martino.; Gullino, Alberto.; Miri, L.; ... (2025)
  Modeling Self-Heating in High-Power Single-Mode Phase-Coupled Linear VCSEL Arrays. In: IEEE PHOTONICS JOURNAL, vol. 17, pp. 1-7. ISSN 1943-0655
  Contributo su Rivista
• Torrelli, Valerio; Miri, Lorenzo; D'Alessandro, Martino; Gullino, Alberto; Zimmer, ... (2025)
  Elliptical polarization in VCSELs via joint interaction of a tilted sub-wavelength grating and intrinsic semiconductor anisotropies. In: OPTICS LETTERS, vol. 50, pp. 3082-3085. ISSN 0146-9592
  Contributo su Rivista
• Lindemann, M.; D'Alessandro, M.; Ledentsov, N.; Makarov, O. Y.; Ledentsov, N. N.; ... (2025)
  Laterally coupled vertical-cavity surface-emitting lasers with tunable resonance width and frequency. In: JOURNAL OF APPLIED PHYSICS, vol. 138, pp. 1-12. ISSN 1089-7550
  Contributo su Rivista
• Torrelli, V.; Miri, L.; D'Alessandro, Martino; Gullino, Alberto.; de Gennaro, R.; ... (2024)
  Understanding polarization with gratings tilted to crystal axes: towards circularly-polarized VCSELs. In: 2024 IEEE Photonics Conference (IPC), Roma, 10-14 Novembre 2024. ISBN: 979-8-3503-6195-7
  Contributo in Atti di Convegno (Proceeding)
• Torrelli, V.; D'Alessandro, M.; Elsasser, W.; Debernardi, P. (2024)
  On-demand polarization by a vertical-cavity surface-emitting laser with two tilted sub-wavelength gratings. In: OPTICS LETTERS, vol. 49, pp. 3773-3776. ISSN 1539-4794
  Contributo su Rivista
• D'Alessandro, Martino; Lindemann, Markus; Ledentsov, Nikolay; Ledenstov, Nikolay N.; ... (2024)
  Physics-oriented model for bow-tie VCSELs. In: 2024 IEEE Photonics Conference (IPC), Roma (Ita), 10-14 Novembre 2024. ISBN: 979-8-3503-6195-7
  Contributo in Atti di Convegno (Proceeding)
• D'Alessandro, Martino; Torrelli, Valerio; Bertazzi, Francesco; Goano, Michele; ... (2024)
  Transverse Coupled Cavity VCSELs: Bridging Ultrabroadband Dynamics to Optical Supermodes. In: IEEE PHOTONICS JOURNAL, vol. 16, pp. 1-7. ISSN 1943-0655
  Contributo su Rivista
• Ledentsov, Nikolay; Shchukin, Vitaly A.; Chorchos, Lukasz; Makarov, Oleg Y.; Kropp, ... (2024)
  Analysis of laterally-coupled-cavity VCSELs for ultra-high-frequency photon-photon resonance modulation. In: SPIE Photonics West 2024 - Vertical-Cavity Surface-Emitting Lasers XXVIII, San Francisco (USA), 30 Gennaio 2024 - 1 Febbraio 2024, pp. 1-10
  Contributo in Atti di Convegno (Proceeding)
• Lindemann, M.; Gerhardt, N. C.; Hofmann, M. R.; Ledentsov, N.; Shchukin, V. A.; ... (2024)
  Study of Electrically Excited Photon-Photon Resonances in Self-Injection-Locked Coupled-Cavity VCSELs. In: 29th International Semiconductor Laser Conference (ISLC), Orlando, FL (USA), 29 September 2024 - 02 October 2024, pp. 1-2. ISBN: 979-8-3503-7299-1
  Contributo in Atti di Convegno (Proceeding)
• Gullino, Alberto; Torrelli, Valerio; D'Alessandro, Martino; Tibaldi, Alberto; Bertazzi, ... (2024)
  AlGaAs Tunnel Junction (TJ)-VCSELs: A NEGF-Drift-Diffusion Approach. In: IEEE PHOTONICS JOURNAL, vol. 16, pp. 1-9. ISSN 1943-0655
  Contributo su Rivista
• Gullino, Alberto; Torrelli, Valerio; D’Alessandro, Martino; Tibaldi, Alberto; Bertazzi, ... (2023)
  Physics-based modeling of AlGaAs tunnel junction VCSELs: a comparative appraisal. In: 23rd International Conference on Numerical Simulation of Optoelectronic Devices (NUSOD 2023), Turin, Italy, 18 - 21 September 2023, pp. 99-100. ISBN: 979-8-3503-1429-8
  Contributo in Atti di Convegno (Proceeding)
• Torrelli, Valerio; D’Alessandro, Martino; Miri, Lorenzo; Debernardi, Pierluigi; ... (2023)
  Analytical model of the Ultrabroadband Operation of Transverse-Coupled-Cavity VCSELs. In: 23rd International Conference on Numerical Simulation of Optoelectronic Devices (NUSOD 2023), Turin, Italy, 18 - 21 September 2023, pp. 87-88. ISBN: 979-8-3503-1429-8
  Contributo in Atti di Convegno (Proceeding)

• Po.Li.Te (POlarization and LIght simulator for VCSELs TEchnology). national Software
  Inventors: Matteo Giovanni Carmelo Alasio Martino D'Alessandro Valerio Torrelli