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Fundamental Mode-Locking of a Composite-Cavity Electro-optic Microchip Laser for Microwave Photonics
Conference proceeding

Fundamental Mode-Locking of a Composite-Cavity Electro-optic Microchip Laser for Microwave Photonics

D Yoo, A Madjar, S Goldwasser and P Herczfeld
2005 International Topical Meeting on Microwave Photonics, v 2005, pp 37-40
2005
DOI: https://doi.org/10.1109/MWP.2005.203535

Abstract

analog-digital conversion electrooptic devices Laser mode locking Laser noise Lasers and electrooptics Masers Microchip lasers Microwave devices Microwave photonics Mode locked laser optical communication Optical noise Phase noise Solid lasers timing jitter
Compact solid-state lasers are an attractive potential source for high speed, low noise optical pulses suitable for microwave photonic systems such as optical A/D conversion or digital communications. These small devices can be mode-locked at the fundamental cavity resonance, thereby avoiding the complications arising from the presence of supermodes in harmonically mode-locked lasers. An Nd: YVO 4 /MgO:LiNbO 3 microchip laser was mode-locked at a fundamental frequency of 20 GHz. When locked to a synthesizer, the phase noise was source-limited to -72 dBc/Hz at 1 kHz offset. A coupled optoelectronic oscillator structure was then used to mode-lock the device without a microwave source, yielding a further reduced phase noise of -95 dBc/Hz at 1 kHz offset.

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