Assignee
NAGARAJAN RADHAKRISHNAN L
US·19 granted patents·136 citations·filing 2005–2012
Top patents by PatentIndex Score
19 records- 0195US9372306B1Method of achieving acceptable performance in and fabrication of a monolithic photonic integrated circuit (PIC) with integrated arrays of laser sources and modulators employing an extended identical active layer (EIAL)NAGARAJAN RADHAKRISHNAN L·Filed 2005·Granted Jun 21, 2016·30 cites·54 claims
- 0295US9031412B2Coolerless photonic integrated circuits (PICs) for WDM transmission networks and PICs operable with a floating signal channel grid changing with temperature but with fixed channel spacing in the floating gridNAGARAJAN RADHAKRISHNAN L·Filed 2009·Granted May 12, 2015·41 cites·19 claims
- 0395US8548333B2Transceiver photonic integrated circuitNAGARAJAN RADHAKRISHNAN L·Filed 2010·Granted Oct 1, 2013·25 cites·34 claims
- 0486US8260136B2Polarization beam splitterNAGARAJAN RADHAKRISHNAN L·Filed 2009·Granted Sep 4, 2012·10 cites·9 claims
- 0583US8538277B2Coherent optical receiverNAGARAJAN RADHAKRISHNAN L·Filed 2009·Granted Sep 17, 2013·8 cites·16 claims
- 0681US10012797B1Monolithic photonic integrated circuit (PIC) with a plurality of integrated arrays of laser sources and modulators employing an extended identical active layer (EIAL)NAGARAJAN RADHAKRISHNAN L·Filed 2005·Granted Jul 3, 2018·10 cites·100 claims
- 0779US8582975B2Wavelength division multiplexed passive optical networkNAGARAJAN RADHAKRISHNAN L·Filed 2011·Granted Nov 12, 2013·4 cites·5 claims
- 0866US8299417B2Variable optical attentuator (VOA) having an absorber for receiving residual light outputfrom the VOANAGARAJAN RADHAKRISHNAN L·Filed 2009·Granted Oct 30, 2012·2 cites·8 claims
- 0964US8160405B2Optical integrated circuitNAGARAJAN RADHAKRISHNAN L·Filed 2009·Granted Apr 17, 2012·3 cites·20 claims
- 1063US9379838B2Optical communication system having tunable sourcesNAGARAJAN RADHAKRISHNAN L·Filed 2011·Granted Jun 28, 2016·1 cites·26 claims
- 1162US9261635B2Rotator external to photonic integrated circuitNAGARAJAN RADHAKRISHNAN L·Filed 2012·Granted Feb 16, 2016·1 cites·27 claims
- 1255US8204388B2Transimpedance amplifier having a shared inputNAGARAJAN RADHAKRISHNAN L·Filed 2009·Granted Jun 19, 2012·0 cites·26 claims
- 1354US8269297B2Photodiode isolation in a photonic integrated circuitNAGARAJAN RADHAKRISHNAN L·Filed 2009·Granted Sep 18, 2012·1 cites·23 claims
- 1452US8781324B2Optical receiver integrated on a substrateNAGARAJAN RADHAKRISHNAN L·Filed 2010·Granted Jul 15, 2014·0 cites·48 claims
- 1550US9025912B2Polarization material on an optical multiplexer or an optical demultiplexerNAGARAJAN RADHAKRISHNAN L·Filed 2012·Granted May 5, 2015·0 cites·38 claims
- 1647US8849120B2Wavelength division multiplexed passive optical networkNAGARAJAN RADHAKRISHNAN L·Filed 2011·Granted Sep 30, 2014·0 cites·12 claims
- 1744US8682114B2Coherent detection for an integrated circuit having a multiplexer or a demultiplexer with a shared propagation regionNAGARAJAN RADHAKRISHNAN L·Filed 2012·Granted Mar 25, 2014·0 cites·30 claims
- 1843US9036957B2Shared propagation region for an optical multiplexer or an optical demultiplexerNAGARAJAN RADHAKRISHNAN L·Filed 2012·Granted May 19, 2015·0 cites·20 claims
- 1939US9419742B2Optical communication system having tunable sourcesNAGARAJAN RADHAKRISHNAN L·Filed 2011·Granted Aug 16, 2016·0 cites·26 claims
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