Title :
An LD-based ultra-low phase noise opll circuit using an optical voltage controlled oscillator
Author :
Kasai, Keisuke ; Yixin Wang ; Nakazawa, Masataka
Author_Institution :
Res. Inst. of Electr. Commun., Tohoku Univ., Sendai, Japan
Abstract :
We report a highly precise OPLL circuit employing an optical voltage controlled oscillator and a frequency-stabilized, narrow linewidth LD. An extended OPLL bandwidth of 4 MHz enabled a phase noise as low as 0.6 degrees.
Keywords :
integrated optoelectronics; laser frequency stability; laser noise; optical communication equipment; optical control; optical phase locked loops; phase locked oscillators; phase noise; semiconductor lasers; LD-based ultralow phase noise OPLL circuit; extended OPLL bandwidth; frequency-stabilized narrow linewidth LD; optical voltage controlled oscillator; Bandwidth; Frequency modulation; Optical filters; Optical mixing; Optical transmitters; Phase noise; Quadrature amplitude modulation;
Conference_Titel :
Optical Fiber Communication Conference and Exposition and the National Fiber Optic Engineers Conference (OFC/NFOEC), 2013
Conference_Location :
Anaheim, CA
Print_ISBN :
978-1-4799-0457-0
