Integrated Optics

Theoretical investigation of indium phosphide buried ring resonators for new angular velocity sensors

[+] Author Affiliations
Francesco Dell’Olio

Optoelectronics Laboratory, Politecnico di Bari, Via E. Orabona 4, 70125 Bari, Italy

Caterina Ciminelli

Optoelectronics Laboratory, Politecnico di Bari, Via E. Orabona 4, 70125 Bari, Italy

Mario Nicola Armenise

Optoelectronics Laboratory, Politecnico di Bari, Via E. Orabona 4, 70125 Bari, Italy

Opt. Eng. 52(2), 024601 (Feb 04, 2013). doi:10.1117/1.OE.52.2.024601
History: Received October 14, 2012; Revised December 13, 2012; Accepted January 7, 2013
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Abstract.  Here, we report the guidelines to be followed to optimize the design of a new angular velocity sensor based on an indium phosphide (InP) ring resonator. Optical properties of InP ring resonators have been investigated together with some significant physical effects for improving the sensor sensitivity. Three-dimensional algorithms have been utilized for the theoretical estimation of the waveguide loss. An optimized waveguide with propagation loss <0.3dB/cm and a ring resonator with a quality factor of 1.5×106 have been designed. Performance of angular velocity sensors based on InP low-loss ring resonators has been estimated and discussed. Resolution of 10deg/h and bias drift in the range of 0.1 to 0.3deg/h have been evaluated for a fully integrated optical gyro including an InGaAsP/InP optical cavity having a footprint less than 24cm2.

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© 2013 Society of Photo-Optical Instrumentation Engineers

Citation

Francesco Dell’Olio ; Caterina Ciminelli and Mario Nicola Armenise
"Theoretical investigation of indium phosphide buried ring resonators for new angular velocity sensors", Opt. Eng. 52(2), 024601 (Feb 04, 2013). ; http://dx.doi.org/10.1117/1.OE.52.2.024601


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