Optical bistability, self-pulsing and XY optimization in silicon micro-rings with active carrier removal

Ryan Hamerly; Dodd Gray; Christopher Rogers; Levon Mirzoyan; Meysam Namdari; Kambiz Jamshidi

doi:10.1117/12.2251642

22 February 2017 Optical bistability, self-pulsing and XY optimization in silicon micro-rings with active carrier removal

Ryan Hamerly, Dodd Gray, Christopher Rogers, Levon Mirzoyan, Meysam Namdari, Kambiz Jamshidi

Author Affiliations +

Proceedings Volume 10098, Physics and Simulation of Optoelectronic Devices XXV; 100980D (2017) https://doi.org/10.1117/12.2251642
Event: SPIE OPTO, 2017, San Francisco, California, United States

Abstract

We theoretically study the nonlinear dynamics of silicon ring cavities with active carrier removal. In this system, linear dispersion, Kerr nonlinearity, two-photon absorption, and free-carrier dispersion / absorption play a key role in the dynamics and the steady-state behavior of the device. Placing the cavity inside a reverse-biased p-i-n junction allows one to reach a regime where both optical bistability and limit-cycle oscillations are accessible. Based on these phenomena, we propose and simulate a free-carrier based random number generator and an "Ising machine", consisting of interconnected ring cavities, which searches for the ground state of the NP-hard Ising XY problem.

Citation Download Citation

Ryan Hamerly, Dodd Gray, Christopher Rogers, Levon Mirzoyan, Meysam Namdari, and Kambiz Jamshidi "Optical bistability, self-pulsing and XY optimization in silicon micro-rings with active carrier removal", Proc. SPIE 10098, Physics and Simulation of Optoelectronic Devices XXV, 100980D (22 February 2017); https://doi.org/10.1117/12.2251642

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