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arXiv:2605.22577 (physics)
[Submitted on 21 May 2026]

Title:A Non-Volatile Heterogeneous Quantum Dot III-V/Si DFB Laser with Optical Memristive Behavior

Authors:Stanley Cheung, Bassem Tossoun, Di Liang, Yuan Yuan, Yingtao Hu, Geza Kurczveil, Xucheng Yang, Raymond Beausoleil
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Abstract:In this work, we introduce a non-volatile heterogeneous quantum dot (QD) III-V/Al2O3/Si distributed feedback (DFB) laser exhibiting optical memristive behavior. The device operates in the O-band (~1300 nm) with a threshold current density of 234 A/cm2 and a side-mode suppression ratio exceeding 48 dB. Co-integrated Al2O3-based memristors produce bipolar resistive switching, yielding non-volatile wavelength shifts of ~ 46 pm and ~ 17 dB peak power contrast with zero static holding power. The III-V/Al2O3/Si heterojunction memristor I-V hysteresis is also modeled. This new device enables simultaneous coherent light generation and persistent optical state storage, establishing a new class of active photonic memory for neuromorphic and reconfigurable WDM applications.
Comments: 13 pages, 8 figures
Subjects: Optics (physics.optics)
Cite as: arXiv:2605.22577 [physics.optics]
  (or arXiv:2605.22577v1 [physics.optics] for this version)
  https://doi.org/10.48550/arXiv.2605.22577

Submission history

From: Stanley Cheung [view email]
[v1] Thu, 21 May 2026 14:51:36 UTC (8,956 KB)
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