III-V/Si Hybrid Laser Stabilization Using Micro-Ring Feedback Control

III-V/Si Hybrid Laser Stabilization Using Micro-Ring Feedback Control

We present a real-time approach for stabilizing a III-V/Si hybrid external-cavity laser implemented using microring monitoring and a feedback control loop. Laser mode stabilization over bias current and stage temperature variations are experimentally demonstrated. We achieved single-mode and mode-ho...

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Bibliographic Details
Main Authors: Jin-Hyoung Lee, Daniel Y. Lee, Ivan Shubin, Jock Bovington, Stevan S. Djordjevic, Shiyun Lin, Ying Luo, Jin Yao, John E. Cunningham, Kannan Raj, Ashok V. Krishnamoorthy, Xuezhe Zheng
Format: Article
Language:English
Published: IEEE 2016-01-01
Series:IEEE Photonics Journal
Subjects:
Tunable lasers
silicon nanophotonics
optical interconnects.
Online Access:https://ieeexplore.ieee.org/document/7556313/
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Summary:We present a real-time approach for stabilizing a III-V/Si hybrid external-cavity laser implemented using microring monitoring and a feedback control loop. Laser mode stabilization over bias current and stage temperature variations are experimentally demonstrated. We achieved single-mode and mode-hop-free laser operation as the bias current was swept across 320 mA. The same feedback control also enabled wavelength-locked laser operation using an intracavity phase control. The feedback control was also applied to an integrated on-chip hybrid laser, and mode-hop-free laser operation was demonstrated over 23 °C substrate temperature variation.
ISSN:1943-0655

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