Ukrainian Journal of Physical Optics 

Number  4, Volume 3,  2002

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Integrated Optical Ring Resonator of The Quantum Gyro with Quasicoherent Source of Radiation 
Mashchenko An.I.

National Technical University of Ukraine (KPI), Kiev; 37 Peremoga Av.

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An integrated optical ring passive resonator (IORPR) has been developed and studied. IORPR utilizes optical channel waveguides formed on a K-8A glass substrate by the method of ion diffusion exchange in the potassium nitrate melt. The resonator waveguide structure contains a ring waveguide and two Y-shaped splitters. The symmetrical arms of the splitters are coupled with the ring waveguide, while their homogenous arms with an external quasicoherent semiconductor laser and photodiode. Coupling between external devices and channel waveguides was implemented by means of end joints and coupling prisms. Experiments have been performed by measurement of the sharpness and transfer function of the ring resonator, which illustrates its resonant properties. The ultimate sensitivity of the quantum gyroscope has been estimated and ways for its improvement have been envisaged. According to the result it is shown that quasicoherent laser diode like ILPN can be used with IORPR.

Key words: integrated optical ring passive resonator; waveguide; laser diode; photodiode; sharpness.

PACS: 42.82.-m

doi 10.3116/16091833/3/4/242/2002

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