Inventor
NAGARAJAN RADHAKRISHNAN L
US251 patents
⚠️ This page may combine multiple inventors who share the name “NAGARAJAN RADHAKRISHNAN L”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
INPHI CORP
22 patentsUS10754091B1Aug 25, 2020
Integrated coherent optical transceiver, light engine
INPHI CORP77 citations98
US9553671B1Jan 24, 2017
Package structure for photonic transceiving device
INPHI CORP39 citations98
US11165509B1Nov 2, 2021
Method for co-packaging light engine chiplets on switch substrate
INPHI CORP57 citations97
US10826613B1Nov 3, 2020
Integrated compact in-package light engine
INPHI CORP46 citations97
US9548817B1Jan 17, 2017
Small form factor transmitting device
INPHI CORP40 citations97
US11178473B1Nov 16, 2021
Co-packaged light engine chiplets on switch substrate
INPHI CORP28 citations94
US11109515B1Aug 31, 2021
Heatsink for co-packaged optical switch rack package
INPHI CORP21 citations94
US10566287B1Feb 18, 2020
Light engine based on silicon photonics TSV interposer
INPHI CORP19 citations94
US10056733B1Aug 21, 2018
Wavelength locker integrated with a silicon photonics system
INPHI CORP18 citations94
US10001611B2Jun 19, 2018
Optical transceiver by FOWLP and DoP multichip integration
INPHI CORP18 citations94
US9671580B1Jun 6, 2017
Photonic transceiving device package structure
INPHI CORP34 citations94
US9651751B1May 16, 2017
Compact optical transceiver by hybrid multichip integration
INPHI CORP41 citations94
US9547129B1Jan 17, 2017
Fiber coupler for silicon photonics
INPHI CORP30 citations94
US9496959B1Nov 15, 2016
Photonic transceiving device package structure
INPHI CORP37 citations94
US10355804B2Jul 16, 2019
Optical module
INPHI CORP8 citations93
US9742498B1Aug 22, 2017
56 Gbps PAM4 driver module for Mach Zehnder modulator
INPHI CORP10 citations93
US9671557B1Jun 6, 2017
Vertical integration of hybrid waveguide with controlled interlayer thickness
INPHI CORP17 citations93
US9553670B2Jan 24, 2017
Optical module
INPHI CORP12 citations93
US9547622B1Jan 17, 2017
Monolithically integrated system on chip for silicon photonics
INPHI CORP9 citations93
US9548809B1Jan 17, 2017
Built-in self test for loopback on communication system on chip
INPHI CORP18 citations93
US9454059B1Sep 27, 2016
MZM linear driver for silicon photonics
INPHI CORP17 citations93
US9225422B1Dec 29, 2015
Integrated control module for communication system on a chip for silicon photonics
INPHI CORP19 citations93
INFINERA CORP
21 patentsUS7885492B2Feb 8, 2011
Transmitter photonic integrated circuit (TxPIC) chips
INFINERA CORP89 citations99
US7283694B2Oct 16, 2007
Transmitter photonic integrated circuits (TxPIC) and optical transport networks employing TxPICs
INFINERA CORP59 citations99
US6985648B2Jan 10, 2006
Method of in-wafer testing of monolithic photonic integrated circuits (PICs) formed in a semiconductor wafer
INFINERA CORP71 citations99
US7636522B2Dec 22, 2009
Coolerless 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 grid
INFINERA CORP54 citations98
US7792396B2Sep 7, 2010
Probe card for testing in-wafer photonic integrated circuits (PICs) and method of use
INFINERA CORP20 citations96
US7224858B2May 29, 2007
Optical transmission network with a receiver photonic integrated circuit (RxPIC) utilizing an optical service chanel (OSC)
INFINERA CORP21 citations96
US7158699B2Jan 2, 2007
Method of optimizing optical channel signal demultiplexing in a monolithic receiver photonic integrated circuit (RxPIC)
INFINERA CORP34 citations96
US7155078B2Dec 26, 2006
Optical transmission network with transmitter photonic integrated circuit (TxPIC) utilizing an optical service channel (OSC)
INFINERA CORP46 citations96
US7116851B2Oct 3, 2006
Optical signal receiver, an associated photonic integrated circuit (RxPIC), and method improving performance
INFINERA CORP45 citations96
US7058263B2Jun 6, 2006
Optical transport network
INFINERA CORP27 citations96
US7043109B2May 9, 2006
Method of in-wafer testing of monolithic photonic integrated circuits (PICs) formed in a semiconductor wafer
INFINERA CORP35 citations96
US7006719B2Feb 28, 2006
In-wafer testing of integrated optical components in photonic integrated circuits (PICs)
INFINERA CORP33 citations96
US7519246B2Apr 14, 2009
Photonic integrated circuit (PIC) chips
INFINERA CORP39 citations95
US7483599B2Jan 27, 2009
Method of calibrating a monolithic transmitter photonic integrated circuit (TXPIC) chip
INFINERA CORP47 citations94
US7974504B2Jul 5, 2011
Reflection suppression in a photonic integrated circuit
INFINERA CORP42 citations93
US7773837B2Aug 10, 2010
Monolithic transmitter photonic integrated circuit (TXPIC) with a transversely disposed output
INFINERA CORP18 citations93
US7680368B2Mar 16, 2010
Monolithic transmitter photonic integrated circuit (TxPIC) with a traversely disposed output
INFINERA CORP26 citations93
US7570845B2Aug 4, 2009
Deployment of electro-optic amplitude varying elements (AVEs) and electro-optic multi-functional elements (MFEs) in photonic integrated circuits (PICs)
INFINERA CORP15 citations93
US7551815B2Jun 23, 2009
Method of monitoring and controlling the bit error rate (BER) in an optical communication network
INFINERA CORP15 citations93
US7546001B2Jun 9, 2009
Monolithic photonic integrated circuit (PIC) with forward error correction (FEC)
INFINERA CORP14 citations93
US7529436B2May 5, 2009
Optical combiner/decombiner with reduced insertion loss
INFINERA CORP10 citations93
MARVELL ASIA PTE LTD
3 patentsUS11630799B2Apr 18, 2023
Monolithically integrated system on chip for silicon photonics
MARVELL ASIA PTE LTD16 citations95
US11677478B2Jun 13, 2023
Method for co-packaging light engine chiplets on switch substrate
MARVELL ASIA PTE LTD18 citations94
US11612079B2Mar 21, 2023
Heatsink for co-packaged optical switch rack package
MARVELL ASIA PTE LTD20 citations94
NAGARAJAN RADHAKRISHNAN L
3 patentsUS9031412B2May 12, 2015
Coolerless 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 grid
NAGARAJAN RADHAKRISHNAN L41 citations94
US9372306B1Jun 21, 2016
Method 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 L30 citations93
US8548333B2Oct 1, 2013
Transceiver photonic integrated circuit
NAGARAJAN RADHAKRISHNAN L25 citations93
WELCH DAVID F
1 patentShowing the top 50 of 251 patents by PatentIndex Score.