Photonic mm-wave local oscillator

Robert Kimberk; Todd Hunter; C.-Y. Edward Tong; Raymond Blundell

doi:10.1117/12.686200

12 October 2006 Photonic mm-wave local oscillator

Robert Kimberk, Todd Hunter, C.-Y. Edward Tong, Raymond Blundell

Proceedings Volume 6373, Terahertz Physics, Devices, and Systems; 63730A (2006) https://doi.org/10.1117/12.686200
Event: Optics East 2006, 2006, Boston, Massachusetts, United States

Abstract

A millimeter wave source derived from a phase modulated optical signal has been developed. The spectral purity and phase control of the phase of the source allowed it to be used as a local oscillator with an astronomical millimeter wave interferometric array. The phase and amplitude stability of the correlated signals of the array are comparable to that produced by Gunn based local oscillators. The system is explained in the following article first as a simple open loop system and then as a more complex closed loop device where the phase is controlled. A mathematical description is given which predicts system behavior. The telescope correlator output graphs show phase and amplitude stability.

Citation Download Citation

Robert Kimberk, Todd Hunter, C.-Y. Edward Tong, and Raymond Blundell "Photonic mm-wave local oscillator", Proc. SPIE 6373, Terahertz Physics, Devices, and Systems, 63730A (12 October 2006); https://doi.org/10.1117/12.686200

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