Portrait of Fotini Karinou

Fotini Karinou

Principal Hardware Architect - Optical Technologies

Publications (Conferences)

  • P. Anderson, G. Chatzidrosos, F. Karinou, “Femtosecond-laser writing of nitrogen vacancy centers in diamond at high-repetition-rate,” IEEE/Optica Conference on Lasers and Electro-Optics (CLEO), North Carolina, US, May 2024.
  • B. Schrenk and F. Karinou, “Detector-on-demand for flexible homodyne transmission,” IEEE/Optica Optical Fiber Communications Conference and Exhibition (OFC), San Diego, CA, USA, 2024, paper M4F.4.
  • B. Schrenk and F. Karinou, “Turning zero-bits of parallel interconnects into optical budget: Biasing APDs through dumped power,” IEEE Photonics Society Summer Topicals Meeting Series, Sicily, Italy, 2023, pp. 1-2, doi: 10.1109/SUM57928.2023.10224381.
  • P. Pintus, L. Ranzani , S. Pinna , D. Huang, M. Gustafsson, F. Karinou, G. A. Casula, Y. Shoji, Y. Takamura, T. Mizumoto, M. Soltani and J. E. Bowers, “Current-driven magneto-optic modulator for low-impedance superconducting circuits,” IEEE Photonics Conference (IPC), Vancouver, BC, Canada, 2022, pp. 1-2, doi: 10.1109/IPC53466.2022.9975675.
  • F. Karinou, H. Ballani, P. Costa, T. Karagiannis, V. Lyutsarev, K. Shi “Towards energy efficient reconfigurable cloud computing architectures,” IEEE/Optica Optical Fiber Communications Conference and Exhibition (OFC), San Diego, CA, USA, 2022, pp. 1-3 (Invited).
  • B. Schrenk and F. Karinou, “First Demonstration of a Single- λ , Full-Duplex RRH Transceiver with Single RF Carrier for Bidirectional Radio,” IEEE/Optica Optical Fiber Communications Conference and Exhibition (OFC), San Diego, CA, USA, 2022, pp. 1-3.
  • A. Sharma Q. Cheng, N. Bamiedakis, M. Glick, F. Karinou, K. Bergman and R. Penty, “Bandwidth reconfigurable optical switching architecture for CPU-GPU computing systems with shared memory,” IEEE/Optica Optical Fiber Communications Conference and Exhibition (OFC), San Diego, CA, USA, 2022, pp. 1-3.
  • D. Milovančev, N. Vokić, F. Karinou and B. Schrenk, “Simplified coherent receiver for zero-touch wireless integration in power-splitting ODN with >40 dB budget,” IEEE/Optica Optical Fiber Communications Conference and Exhibition (OFC), San Francisco, CA, USA, 2021, pp. 1-3.
  • A. Sharma, N. Bamiedakis, F. Karinou and R. Penty, “Multi-chiplet system architecture with shared uniform access memory based on board-level optical interconnects,” IEEE/Optica Optical Fiber Communications Conference and Exhibition (OFC), San Francisco, CA, USA, 2021, pp. 1-3.
  • F.  Karinou, “Toward Flat Datacenter Networks enabled by sub-Nanosecond Optical Switching”, Signal Processing in Photonic Communications (SPPcom), OSA Advanced Photonic Conference, 2021, paper SPF1E.1 (Invited).
  • F. Karinou, “Future datacenter network architectures enabled by optics”, NETWORKS Photonic Networks and Devices, OSA Advanced Photonic Conference 2021, paper NeW3B.2 (Invited).
  • S. Lange, K. Shi, R. Behrendt, D. Cletheroe, I. Haller, F. Karinou, K. Jozwik, B. Thomsen, H. Williams, P. Costa, H. Ballani, “A disaggregated laser architecture enabling sub-nanosecond wavelength tuning time,” SPIE Photonics West 2021 (Invited).
  • F. Karinou, “Re-designing the cloud at the end of Moore’s law,” IEEE Optical Interconnects (OI) Conference, July 2020, paper ThI1.7 (Invited).
  • Hitesh Ballani, Paolo Costa, Raphael Behrendt, Daniel Cletheroe, Istvan Haller, Krzysztof Jozwik, Fotini Karinou, Sophie Lange, Kai Shi, Benn Thomsen,  Hugh Williams, “Sirius: A flat datacenter network with nanosecond optical switching,” In Proceedings SIGCOMM, July 2020.
  • B. Schrenk, D.Milovancev, N. Vokic, and F. Karinou, “Coherent Homodyne TDMA Receiver Based on TO-can EML for 10 Gb/s OOK with <40 ns Guard Interval,” IEEE/OSA Optical Fiber communications Conference and Exhibition (OFC), paper W4G.4, San Diego, CA, March 2020.
  • B. Schrenk, N.Vokic, D. Milovancev, P. Bakopoulos, and F. Karinou, “Coherently Sub-Grouped µDC-Pod and -Interconnect with Analogue EML Transceivers Operated in TDMA,” IEEE/OSA Optical Fiber Communications Conference and Exhibition (OFC), paper T3K.5, San Diego, CA, March 2020.
  • S. Lange, A.S. Raja, K. Shi, M. Karpov, R. Behrendt, D. Cletheroe, I. Haller, F. Karinou, X. Fu, J. Liu, A. Lukashchuk, B. Thomsen, K. Jozwik, P. Costa, T. J. Kippenberg, H. Ballani, “Sub-nanosecond Optical Switching Using Chip-Based Soliton Microcombs”, IEEE/OSA Optical Fiber Communications Conference and Exhibition (OFC), paper W2A.4, San Diego, CA, March 2020.
  • Kai Shi, Sophie Lange, Istvan Haller, Daniel Cletheroe, Raphael Behrendt, Benn Thomsen, Fotini Karinou, Krzysztof Jozwik, Paolo Costa, Hitesh Ballani, “System demonstration of nanosecond wavelength switching with burst-mode PAM4 transceiver,” IEEE/OSA European Conference on Optical Communications (ECOC), Dublin, Ireland, Sept.2019. (post-deadline paper).
  • B. Schrenk, and F. Karinou, “EML transmitter as coherent monitor for distributed spectrum monitoring,” IEEE/OSA European Conference on Optical Communications (ECOC), Dublin, Ireland, Sept.2019.
  • B. Schrenk, N. Vokic, D. Milovancev, and F. Karinou, “Full-dublex, polarisation-independent coherent homodyne EML transceiver,” IEEE/OSA European Conference on Optical Communications (ECOC), Dublin, Ireland, Sept.2019.
  • B. Schrenk, D. Milovancev, N. Vokic, H. Hübel,  and F. Karinou, “Radio-over-air with a face-to-face EML transceiver pair,” IEEE/OSA European Conference on Optical Communications (ECOC), Dublin, Ireland, Sept.2019.
  • B. Schrenk, and F. Karinou, “A Tandem of EMLs as low-cost OTDR,” IEEE/OSA Optical Fiber Communications Conference and Exhibition (OFC), paper M4G.2, San Diego, CA, March 2019.
  • B. Schrenk, and F. Karinou, “Low-cost analogue coherent TDMA receiver with all-optical synchronization to free-running optical carriers,” IEEE/OSA Optical Fiber Communications Conference and Exhibition (OFC), paper M4G.2, San Diego, CA, March 2019 (Top Scored).
  • B. Schrenk, and F. Karinou, “TDM operation of an optically synchronized low-cost coherent receiver fed with mice,” The International Conference on Photonics in Switching and Computing, Limassol, Cyprus, Sept. 2018.
  • B. Schrenk, and F. Karinou, “Polarization-immune coherent homodyne receiver enabled by a tandem of TO-can EMLs,” IEEE/OSA European Conference on Optical Communications (ECOC), Rome, Italy, Sept. 2018.
  • N. Stojanovic, F. Karinou, C. Prodaniuc, Z. Qiang, Z. Liang, and J. Wei, “Clock and data recovery in high-speed PAM-4 transmission systems,” 7th IEEE Optical Interconnects Conference, Santa Fe, New Mexico, USA., July 2018, 10.1109/OIC.2018.8422043.
  • H. H. Brunner, S. Bettelli, L. C. Comandar, F. Karinou, D. Hillerkuss, F. Fung, S. Mikroulis, D. Wang, M. Kuschnerov, C. Xie, A. Poppe, and M. Peev, “Precise noise calibration for CV-QKD,” 20th International Conference on Transparent Optical Networks (ICTON), paper Tu.C1.1 (Invited).
  • J. Wei, Q. Zhang, L. Zhang, N. Stojanovic, C. Prodaniuc, F. Karinou, and C. Xie, “Challenges and advances of direct detection systems for DCI and metro networks,” IEEE/OSA Optical Fiber Communications Conference and Exhibition (OFC), paper W2A.60, San Diego, CA, March 2018, https://doi.org/10.1364/OFC.2018.W2A.60.
  • B.  Schrenk, and F. Karinou, “World’s first TO-can coherent transceiver,” IEEE/OSA Optical Fiber Communications Conference and Exhibition (OFC), paper Th1A.4, San Diego, CA, March 2018, https://doi.org/10.1364/OFC.2018.Th1A.4.
  • F. Karinou, L. C. Comandar, H. H. Brunner, F. Fung, S. Bettelli, D. Hillerkuss, S. Mikroulis, Q. Yi, D. Wang, M. Kuschnerov, C. Xie, A. Poppe, and M. Peev, “Experimental evaluation of the noise influence on a CV-QKD system in a 20-channel WDM co-existence scheme,” 2017 IEEE Photonics Society Summer Topical Meeting Series (SUM), Puerto Rico, 2017, 10.1109/PHOSST.2017.8012692.
  • L. C. Comandar, H. H. Brunner, F. Karinou, S. Bettelli, F. Fung, S. Mikroulis, D. Hillerkuss, Q. Yi, D. Wang, M. Kuschnerov, C. Xie, M. Peev and A. Poppe, “Implementation of continuous-variable QKD using pilot assisted synchronization,” 24th Central European Workshop on Quantum Optics, DTU Lyngby, Denmark, June 2017.
  • L. C. Comandar, H. H. Brunner, F. Karinou, F. Fung, S. Bettelli, D. Hillerkuss,  S. Mikroulis, Q. Yi, D. Wang, M. Kuschnerov, C. Xie, A. Poppe, and M. Peev, “Continuous-variable QKD implementation using pilot assisted synchronization,” SPIE Photonic West, San Francisco, USA, Feb. 2018.
  • H. H. Brunner, L. Comandar, F.Karinou, F. Fung, D. Wang, S. Bettelli, S. Mikroulis, Q. Yi, D. Hillerkuss, M. Kuschnerov, A. Poppe, and M. Peev, “A low-complexity heterodyne CV-QKD architecture”, International Conference on Transparent Optical Networks (ICTON ), Girona, Spain, July 2017 (Invited), 10.1109/ICTON.2017.8025030.
  • A. Poppe, F. Fung, M. Peev, D. Hillerkuss, F. Kaninou, L. Comandar, S. Mikroulis, H. Brunner, S. Bettelli, M. Kuschnerov, Q.Yi, D. Wang, B. Schrenk, F. Laudenbach, C. Pacher, and H. Huebel, “Prospects of CV-QKD systems limited by commercial telecom equipment,” IEEE/OSA Lasers and Electro-Optics and the International Quantum Electronics Conference (CLEO®/Europe-IQEC), paper CI-P.1, Munich, Germany (2017), 10.1109/CLEOE-EQEC.2017.8087426.
  • F. Karinou,N. Stojanovic, and C. Prodaniuc, “High-Capacity VCSEL links for datacenters ” IEEE Summer Topical Meetings, 2017 IEEE Photonics Society Summer Topical Meeting Series (SUM), Puerto Rico, July 2017 (Invited).
  • N. Stojanović, Z. Qiang, C. Prodaniuc, and F. Karinou, “Eye deskewing algorithms for PAM modulation formats in IM-DD transmission systems” IEEE/OSA Optical Fiber Communications Conference and Exhibition (OFC), Los Angeles, CA, Mar. 2017, https://doi.org/10.1364/OFC.2017.Tu2D.4.
  • Q. Zhang, N. Stojanovic, T. Zuo, L.g Zhang, C. Prodaniuc, F. Karinou, C. Xie, and E. Zhou, “Single-lane 180 Gbit/s SSB-duobinary-PAM4 transmission over 13 km SSMF,” IEEE/OSA Optical Fiber Communications Conference and Exhibition (OFC), Los Angeles, CA, Mar. 2017, https://doi.org/10.1364/OFC.2017.Tu2D.2.
  • N. Stojanovic, F. Karinou C. Prodaniuc, and Z. Qiang, “Timing recovery in high-speed PAM-4 transmission systems,” IEEE 24th Telecommunications Forum TELFOR, Serbia, Belgrade, Nov. 2016, 10.1109/TELFOR.2016.7818937.
  • Q. Zhang, N. Stojanovic, C. Prodaniuc ,T. Zuo, E. Zhou, L. Zhang, F. Karinou and C. Xie “Demonstration of dispersion pre-compensated direct detection PAM4 40km transmission in C-band using DDMZM,” Asia Communications and Photonics Conference (ACP), paper ATh3C.2, Wuhan, China, 2016, https://doi.org/10.1364/ACPC.2016.ATh3C.2.
  • C. Prodaniuc, N. Stojanovic, F. Karinou,Z. Qiang, T. Dippon, R. Llorente, “PAM-n solutions for low-cost implementations of 100 Gbps/λ transmissions,” IEEE/OSA European Conference on Optical Communications (ECOC), Duesseldorf, Germany, (2016).
  • F. Karinou,N. Stojanovic, C. Prodaniuc, Z. Qiang, and T. Dippon, “112 Gb/s PAM-4 optical signal transmission over 100-m OM4 multimode fiber for high-capacity data-center interconnects,” IEEE/OSA European Conference on Optical Communications (ECOC), Duesseldorf, Germany, (2016).
  • F. Karinou,N. Stojanovic, and C. Prodaniuc, “56 Gb/s 20-km transmission of PAM-4 signal employing an EML in C-band without in-line chromatic dispersion compensation,” IEEE/OSA European Conference on Optical Communications (ECOC), Duesseldorf, Germany, (2016).
  • F.  Karinou, Z. Yu, N. Stojanovic, and C. Xie, “Transmitter pre-distortion techniques for DCF-free transmission in 80 km IM/DD metro networks,” Optoelectronics and Communications Conference / International Conference on Photonics in Switching (OECC/PS), paper ThB2, Niigata, Japan, July 2016.
  • N. Stojanović, C. Xie, F. Karinou, Z. Qiang, and C. Prodaniuc, “Clock extraction in for 28 Gbit/s OOK receivers in band-limited and dispersive optical channels” IEEE/OSA Optical Fiber Communications Conference and Exhibition (OFC), paper W1A.7, Anaheim, CA, USA (2016).
  • N. Stojanović, C. Prodaniuc, F. Karinou, and Z. Qiang, “56-Gbit/s 4-D PAM-4 TCM transmission evaluation for 400-G data center applications,” IEEE/OSA Optical Fiber Communications Conference and Exhibition (OFC), paper Th1G.6, Anaheim, CA, USA (2016), https://doi.org/10.1364/OFC.2016.Th1G.6.
  • C. Prodaniuc, N. Stojanovic, Z. Qiang, F. Karinou, T. Lee,  K. Engenhardt, and R. Llorente, “Experimental demonstration of 56 Gb/s 4D-PAM5 trellis coded modulation for 400G WDM metro-access optical networks,” IEEE/OSA Optical Fiber Communications Conference and Exhibition (OFC), paper, Anaheim, CA, USA (2016), https://doi.org/10.1364/OFC.2016.Tu2A.6.
  • L. N. Binh, T. W. Tao, D. Livshits, A. Gubenko, F. Karinou, G. L. Ning, A. Shkolnik, “Multi-terabits/s optical access transport technology,” SPIE  Photonic West, paper 9772-9, San Francisco, USA, Feb. 2016, 10.1117/12.2214412.
  • F.  Karinou, C. Prodaniuc, N. Stojanovic, M. Ortsiefer, A. Daly, R. Hohenleitner, B. Kögel, and C. Neumeyr, “Experimental performance evaluation of equalization techniques for 56 Gb/s PAM-4 VCSEL-based optical interconnects,“ IEEE/OSA European Conference on Optical Communications (ECOC), Madrid, Spain, (2015), 10.1109/ECOC.2015.7341766.
  • N. Stojanovic, Z. Qiang, C. Prodaniuc, and F. Karinou, “Performance and DSP complexity of 112-Gbit/s PAM4 transceiver with 25G TOSA and ROSA,” IEEE/OSA European Conference on Optical Communications (ECOC), Madrid, Spain (2015), 10.1109/ECOC.2015.7341947.
  • C.  Prodaniuc, N. Stojanovic, F. Karinou, G. Goeger, Z. Qiang, and R. Llorente, “56 Gb/s, PAM-4 transmission over 25 km, using IQ modulator and unequally spaced levels,” IEEE/OSA Lasers and Electro-Optics and the International Quantum Electronics Conference (CLEO-IQEC), paper Stu4F.6, San Jose, CA, USA (2015), 10.1364/CLEO_SI.2015.STu4F.6.
  • F.   Karinou, N. Stojanovic, G. Goeger, M. Ortsiefer, A. Daly, R. Hohenleitner, B. Kögel, and C. Neumeyr, “28 Gb/s NRZ-OOK using 1530-nm VCSEL, direct detection and MLSE receiver for optical interconnects,” IEEE Optical Interconnects Conference, paper MC5, San Diego, CA, USA (2015), 10.1109/OIC.2015.7115667.
  • F. Pittalà, B. Mao, F. Karinou, G. Goeger, and J. A. Nossek, “Experimental demonstration of single-stage frequency domain equalization for single-carrier coherent receivers,” IEEE/OSA European Conference on Optical Communications (ECOC), Cannes, France (2014), 10.1109/ECOC.2014.6964018.
  • F.  Karinou, B. Mao, T. Murzyn, Bentao Wu, W. Ke, L. Li, and N. Yang, “Single-λ 480 Gb/s and 256 Gb/s PDM-16QAM over live traffics field trial,” 2014 OptoElectronics and Communication Conference and Australian Conference on Optical Fibre Technology (OECC/ACOFT), paper TU6B,  Melbourne, Australia (2014).
  • N. Stojanovic, F. Karinou, and B. Mao, “Chromatic dispersion estimation method for Nyquist and Faster than Nyquist coherent optical systems,” IEEE/OSA Optical Fiber Communications Conference and Exhibition (OFC), paper Th2A.19, San Fransisco, CA, USA (2014), 10.1364/OFC.2014.Th2A.19.
  • N. Stojanovic, B. Mao, and F. Karinou, “Efficient and low-complexity chromatic dispersion estimation in coherent optical systems,” IEEE 21st Telecommunications Forum TELFOR, pp. 153–156, Belgrade, Serbia (2013), 10.1109/TELFOR.2013.6716195.
  • F.  Karinou, L. Deng, R. Rodes, J. Bevensee Jensen, K. Prince, and I. Tafur Monroy, “Comparison of 850-nm and 1550-nm VCSELs for low-cost short-reach IM/DD and OFDM SMF/MMF links,” IEEE/OSA Lasers and Electro-Optics and the International Quantum Electronics Conference (CLEO®/Europe-IQEC), paper CI-P.1, Munich, Germany (2013), 10.1109/CLEOE-IQEC.2013.6801276.
  • F. Karinou, R. Borkowski, D. Zibar, I. Roudas, and I. Tafur Monroy, “Coherent 40 Gb/s SP-16QAM and 80 Gb/s PDM-16QAM in an optimal supercomputer optical switch fabric,” IEEE/OSA Optical Fiber Communications Conference and Exhibition (OFC), paper JTh2A.77, Anaheim, CA, USA (2013), 10.1364/NFOEC.2013.JTh2A.77.
  • F.  Karinou, R. Rodes, K. Prince, I. Roudas, and I. Tafur Monroy, “IM/DD vs. 4-PAM using a 1550-nm VCSEL over short-range SMF/MMF links for optical interconnects,” IEEE/OSA Optical Fiber Communications Conference and Exhibition (OFC), paper OW4A.2, Anaheim, CA, USA (2013), 10.1364/OFC.2013.OW4A.2.
  • F.  Karinou, R. Borkowski, K. Prince, I. Roudas, I. Tafur Monroy, and K. Vlachos, “Performance evaluation of a SOA-based rack-to-rack switch for optical interconnects exploiting NRZ-DPSK,” IEEE/OSA European Conference on Optical Communications (ECOC), paper P3.05, Amsterdam, The Netherlands (2012), 10.1364/ECEOC.2012.P3.05.
  • R. Borkowski, F. Karinou, M. Angelou, V. Arlunno, D. Zibar, D. Klonidis, N. Guerrero Gonzalez, A. Caballero, I. Tomkos, and I. Tafur Monroy, “Experimental demonstration of mixed formats and bit rates signal allocation for spectrum-flexible optical networking,” IEEE/OSA Optical Fiber Communications Conference and Exhibition (OFC), paper OW3A.7, Los Angeles, CA, USA (2012), https://doi.org/10.1364/OFC.2012.OW3A.7.
  • G. A. Rodes, J. J. Vegas Olmos, F. Karinou, I. Roudas, L. Deng, X. Pang, and I. Tafur Monroy, “Optical switching for dynamic distribution of wireless-over-fiber signals,” IEEE 16th conference on Optical Network Design and Modeling (ONDM), paper Wed4P3, Colchester, UK, Apr. 2012, 10.1109/ONDM.2012.6210189.
  • F. Karinou, I. Roudas, K. Vlachos, B. R. Hemenway, and R. R. Grzybowski, “Performance assessment of an optimized optical supercomputer interconnect architecture”, IEEE/OSA Optical Fiber Communications Conference and Exhibition (OFC), paper JWA086, Los Angeles, CA, USA, Mar. 2011, https://doi.org/10.1364/NFOEC.2011.JWA086.
  • F. Karinou, I. Roudas, K. Vlachos, C. S. Petrou, Α. Vgenis, and B. R. Hemenway, “Wavelength-space permutation switch with coherent PDM QPSK transmission for supercomputer optical interconnects”, IEEE/OSA Optical Fiber Communications Conference and Exhibition (OFC), paper JWA62, San Diego, CA, USA, Mar. 2010, 10.1364/NFOEC.2010.JWA62.
  • F. Karinou, K. Vlachos and B. R. Hemenway, “A Broadband ONU design using a semiconductor optical amplifier-based optical loop mirror,” IEEE/OSA Optical Fiber Communications Conference and Exhibition (OFC), paper JWA80, San Diego, CA, USA, Mar. 2009, 10.1364/NFOEC.2009.JWA80.
  • A. Poppe, H. Huebel, F. Karinou, B. Blauensteiner, and B. Schrenk, “Quantum key distribution over WDMs and optical switches to combine the quantum channel with synchronization channels”, IEEE/OSA European Conference on Optical Communications (ECOC), Berlin, Germany, Sept.2007, 10.1049/ic:20070343.

Seminars

  • F. Karinou “Towards integration of quantum cryptography in nowadays telecom networks” Institute of Photonics and Quantum Electronics (IPQ), Seminar, Karlsruhe, Germany, Jan. 2008.
  • F. Karinou, “Optics for the Cloud: Challenges and Opportunities in the next-generation cloud infrastructure.”  DTU Fotonik, Department of Photonics Engineering in Copenhagen, Denmark, Sept. 2019.