Feedback and harmonic locking of slot-type optomechanical oscillators to external low-noise reference clocks

Jiangjun Zheng; Ying Li; Noam Goldberg; Mickey McDonald; Xingsheng Luan; Archita Hati; Ming Lu; Stefan Strauf; Tanya Zelevinsky; David A. Howe; Chee Wei Wong

doi:10.1063/1.4801473

Feedback and harmonic locking of slot-type optomechanical oscillators to external low-noise reference clocks

Jiangjun Zheng, Ying Li, Noam Goldberg, Mickey McDonald, Xingsheng Luan, Archita Hati, Ming Lu, Stefan Strauf, Tanya Zelevinsky, David A. Howe, Chee Wei Wong

Department of Physics

Research output: Contribution to journal › Article › peer-review

14 Scopus citations

Abstract

We demonstrate feedback and harmonic locking of chip-scale slot-type optomechanical oscillators to external low-noise reference clocks, with suppressed timing jitter by three orders of magnitude. The feedback and compensation techniques significantly reduce the close-to-carrier phase noise, especially within the locking bandwidth for the integral root-mean-square timing jitter. Harmonic locking via high-order carrier signals is also demonstrated with similar phase noise and integrated root-mean-square timing jitter reduction. The chip-scale optomechanical oscillators are tunable over an 80-kHz range by tracking the reference clock, with potential applications in tunable radio-frequency photonics platforms.

Original language	English
Article number	141117
Journal	Applied Physics Letters
Volume	102
Issue number	14
DOIs	https://doi.org/10.1063/1.4801473
State	Published - 8 Apr 2013

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title = "Feedback and harmonic locking of slot-type optomechanical oscillators to external low-noise reference clocks",

abstract = "We demonstrate feedback and harmonic locking of chip-scale slot-type optomechanical oscillators to external low-noise reference clocks, with suppressed timing jitter by three orders of magnitude. The feedback and compensation techniques significantly reduce the close-to-carrier phase noise, especially within the locking bandwidth for the integral root-mean-square timing jitter. Harmonic locking via high-order carrier signals is also demonstrated with similar phase noise and integrated root-mean-square timing jitter reduction. The chip-scale optomechanical oscillators are tunable over an 80-kHz range by tracking the reference clock, with potential applications in tunable radio-frequency photonics platforms.",

author = "Jiangjun Zheng and Ying Li and Noam Goldberg and Mickey McDonald and Xingsheng Luan and Archita Hati and Ming Lu and Stefan Strauf and Tanya Zelevinsky and Howe, \{David A.\} and \{Wei Wong\}, Chee",

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AU - Zheng, Jiangjun

AU - Li, Ying

AU - Goldberg, Noam

AU - McDonald, Mickey

AU - Luan, Xingsheng

AU - Hati, Archita

AU - Lu, Ming

AU - Strauf, Stefan

AU - Zelevinsky, Tanya

AU - Howe, David A.

AU - Wei Wong, Chee

PY - 2013/4/8

Y1 - 2013/4/8

N2 - We demonstrate feedback and harmonic locking of chip-scale slot-type optomechanical oscillators to external low-noise reference clocks, with suppressed timing jitter by three orders of magnitude. The feedback and compensation techniques significantly reduce the close-to-carrier phase noise, especially within the locking bandwidth for the integral root-mean-square timing jitter. Harmonic locking via high-order carrier signals is also demonstrated with similar phase noise and integrated root-mean-square timing jitter reduction. The chip-scale optomechanical oscillators are tunable over an 80-kHz range by tracking the reference clock, with potential applications in tunable radio-frequency photonics platforms.

AB - We demonstrate feedback and harmonic locking of chip-scale slot-type optomechanical oscillators to external low-noise reference clocks, with suppressed timing jitter by three orders of magnitude. The feedback and compensation techniques significantly reduce the close-to-carrier phase noise, especially within the locking bandwidth for the integral root-mean-square timing jitter. Harmonic locking via high-order carrier signals is also demonstrated with similar phase noise and integrated root-mean-square timing jitter reduction. The chip-scale optomechanical oscillators are tunable over an 80-kHz range by tracking the reference clock, with potential applications in tunable radio-frequency photonics platforms.

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VL - 102

JO - Applied Physics Letters

JF - Applied Physics Letters

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ER -

Feedback and harmonic locking of slot-type optomechanical oscillators to external low-noise reference clocks

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