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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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