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13 - Electrical and Electronic Engineering, Metallurgy and Materials
University College London
Monolithically integrated photonic heterodyne system
This paper describes the first monolithically integrated heterodyne optical phase lock loop with electronic phase detection. The photonic integrated circuit was designed at UCL and fabricated under sub-contract at CIP (now Huawei), Ipswich. We demonstrated how two such loops could be integrated to form a photonic frequency synthesiser with applications in coherent optical communications and THz generation. EPSRC has supported application of this technology to optical communications through the £0.49 million COSINE (EP/I012702/1) grant and author Seeds was awarded the 2012 IoP Gabor Medal and Prize in recognition of his work on such microwave photonics technology.