Title :
Coupled Lasers Rotation Sensor (CLARS)
Author :
Scheuer, Jacob ; Steinberg, Ben Z.
Author_Institution :
Sch. of Electr. Eng. & the Center for Nanotechnol. & Nanosci., Tel-Aviv Univ., Tel-Aviv, Israel
Abstract :
We study the lasing eigen-modes and dynamics of circular array of coupled lasers in a rotating framework for ultrasensitive integrated optical rotation sensing applications. The dependence of the mode and frequency splitting on the array parameters and pumping level is studied in details. The impact of structure variations and disorder such as variations of the resonance wavelength of the individual cavities and the inter-cavity coupling is studied and found to generate a ¿dead-zone¿ which limits the sensitivity of the sensor.
Keywords :
eigenvalues and eigenfunctions; gyroscopes; integrated optics; laser arrays; laser cavity resonators; laser modes; measurement by laser beam; optical pumping; optical sensors; rotation measurement; CLARS; circular array dynamics; coupled laser rotation sensor; dead-zone generation; frequency splitting; gyroscope; inter-cavity coupling; laser eigenmodes; mode splitting; optical array parameters; optical pumping; optical resonance wavelength; sensor sensitivity; ultrasensitive integrated optics; Laser theory; Optical arrays; Optical coupling; Optical interferometry; Optical pumping; Optical resonators; Optical scattering; Optical sensors; Sagnac interferometers; Vertical cavity surface emitting lasers; Gyroscopes; Sagnac effect; integrated optics devices;
Journal_Title :
Lightwave Technology, Journal of
DOI :
10.1109/JLT.2008.2004923
