?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Adc&rft.title=Photonic+integrated+circuit+optical+phase+lock+loop+tuneable+active+filter&rft.creator=Balakier%2C+K&rft.creator=Shams%2C+H&rft.creator=Fice%2C+MJ&rft.creator=Ponnampalam%2C+L&rft.creator=Graham%2C+C&rft.creator=Renaud%2C+C&rft.creator=Seeds%2C+AJ&rft.description=We+report+the+first+foundry-fabricated+photonic+integrated+circuit+(PIC)+optical+phase+lock+loop+(OPLL)+tuneable+active%0D%0Aoptical+filter+for+optical+frequency+comb+line+selection+and+amplification.+The+PIC+containing+DBR+lasers+and+photodiodes+is+integrated%0D%0Awith+low+frequency+electronics+to+create+an+OPLL%2C+which+functions+as+a+highly+selective+optical+filter+with+sub-GHz+bandwidth+and+50dB%0D%0Aout-of-band+suppression.+The+OPLL+output+is+a+single+tone+coherent+with+the+comb+line%2C+whose+optical+power+is+6dB+higher+than+the%0D%0Aselected+input+line%2C+and+whose+frequency+can+be+offset+from+the+input+line+by+an+agile+and+precisely+defined+frequency.&rft.subject=integrated+optics%3B+optical+modulation%3B+optical+fabrication%3B+silicon%3B+optical+fibre+communication%3B+plasmonics%3B+micro-optics%3B+photodiodes%3B+microwave+photonics%3B+elemental+semiconductors&rft.publisher=IEEE&rft.date=2018-02-08&rft.type=Proceedings+paper&rft.publisher=2017+IEEE+Photonics+Conference%2C+30th+Annual+Conference+of+the+IEEE+Photonics+Society&rft.language=eng&rft.source=+++++In%3A++Proceedings+of+the+2017+IEEE+Photonics+Conference+(IPC)+Part+II.++++IEEE%3A+Orlando%2C+FL%2C+USA.+(2018)+++++&rft.format=text&rft.identifier=https%3A%2F%2Fdiscovery.ucl.ac.uk%2Fid%2Feprint%2F10024330%2F2%2FIPC2017_Balakier.pdf&rft.identifier=https%3A%2F%2Fdiscovery.ucl.ac.uk%2Fid%2Feprint%2F10024330%2F&rft.rights=open