A photonics-based wideband linearised mixer
John Wiley & Sons Inc
Computing, Health and Science
Electron Science Research Institute
A new wideband linearised photonic mixer structure based on a parallel topology of two electrooptic modulators is presented. This mixer realises a high spurious free-dynamic range (SFDR), with additional advantages of requiring only a small amount of optical power and operating over a multioctave range. Experimental results for the linearised photonic mixer demonstrate a measured receiver-noise limited SFDR of 115 dB · Hz4/5 with a low input optical-power requirement of only 5 mW. This offers multi-octave high dynamic range optical frequency conversion with wideband operation.