Hardware Realization of Neuromorphic Computing with a 4-Port Photonic Reservoir for Modulation Format Identification

التفاصيل البيبلوغرافية
العنوان: Hardware Realization of Neuromorphic Computing with a 4-Port Photonic Reservoir for Modulation Format Identification
المؤلفون: Şeker, Enes, Thomas, Rijil, von Hünefeld, Guillermo, Suckow, Stephan, Kaveh, Mahdi, Ronniger, Gregor, Safari, Pooyan, Sackey, Isaac, Stahl, David, Schubert, Colja, Fischer, Johannes Karl, Freund, Ronald, Lemme, Max C.
سنة النشر: 2024
المجموعة: Physics (Other)
مصطلحات موضوعية: Physics - Applied Physics
الوصف: The fields of machine learning and artificial intelligence drive researchers to explore energy-efficient, brain-inspired new hardware. Reservoir computing encompasses recurrent neural networks for sequential data processing and matches the performance of other recurrent networks with less training and lower costs. However, traditional software-based neural networks suffer from high energy consumption due to computational demands and massive data transfer needs. Photonic reservoir computing overcomes this challenge with energy-efficient neuromorphic photonic integrated circuits or NeuroPICs. Here, we introduce a reservoir NeuroPIC used for modulation format identification in C-band telecommunication network monitoring. It is built on a silicon-on-insulator platform with a 4-port reservoir architecture consisting of a set of physical nodes connected via delay lines. We comprehensively describe the NeuroPIC design and fabrication, experimentally demonstrate its performance, and compare it with simulations. The NeuroPIC incorporates non-linearity through a simple digital readout and achieves close to 100% accuracy in identifying several configurations of quadrature amplitude modulation formats transmitted over 20 km of optical fiber at 32 GBaud symbol rate. The NeuroPIC performance is robust against fabrication imperfections like waveguide propagation loss, phase randomization, etc. and delay line length variations. Furthermore, the experimental results exceeded numerical simulations, which we attribute to enhanced signal interference in the experimental NeuroPIC output. Our energy-efficient photonic approach has the potential for high-speed temporal data processing in a variety of applications.
Comment: 32 pages, including supporting information
نوع الوثيقة: Working Paper
الوصول الحر: http://arxiv.org/abs/2406.13549Test
رقم الانضمام: edsarx.2406.13549
قاعدة البيانات: arXiv