Abstract
Over the past decades there has been significant effort to develop novel laser sources utilizing small-footprint integrated optics. In particular, micro-resonator devices have been of much interest due to their strong field enhancement which enables access to nonlinear optical processes at relatively low power levels, thus unlocking numerous functionalities. Importantly, the Kerr effect has been utilized to generate optical frequency combs in these devices [1,2]. However, such a desired nonlinear effect is often paired with more detrimental ones. Ubiquitously, these devices are affected by thermal nonlinearities [3], which yield a modification of the refractive index and/or mode volume of the resonator. Significant efforts have been invested in active means to compensate for this effect [4], which can destabilize the desired lasing operation and presents an important challenge to overcome. Understanding this dynamical behavior is of key importance to the suppression or even the beneficial use of this thermal effect within such optical systems.
© 2019 IEEE
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