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Tunable Opto-electronic Oscillator Based on Photonic Integration of Ultra-high Q Resonators on a SiN Chip, Phase I

Completed Technology Project

Project Introduction

The team comprising OEwaves Inc. and UC Davis offers to develop and demonstrate a SiN-platform integrated photonic circuit suitable for a spectrally pure chip-scale tunable opto-electronic RF oscillator (OEO) that can operate as a flywheel in high precision optical clock modules, as well as radio astronomy, spectroscopy, and local oscillator in radar and communications systems. The effort comprises integration of an ultra-high quality (Q) crystalline whispering gallery mode (WGM) microresonator with multiple lithographically defined photonic and electronic components and devices (including a laser, a detector and waveguides) on a single platform with nanometer-scale feature sizes. The proposed oscillator will be packaged in a volume of approximately 1cc, with net power consumption of less than 500 mW. The oscillator will produce a minimum of 10 mW of output RF power in Ka frequency band, and its single sideband (SSB) phase noise will be as low as -60 dBc/Hz at 10 Hz, and -160 dBc at 1 MHz and higher Fourier frequencies. More »

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