Publications
[Extracted from DiVA,
the publication database at KTH.]
- Fan, Y.; Pang, X.; Udalcovs, A.; Natalino, C.; Zhang, L.; Spolitis, S.; Bobrovs, V.; Schatz, R.; Yu, X.; Furdek, M.; Popov, S.; Ozolins, O. (2022):
- EVM Estimation for Performance Monitoring in Coherent Optical Systems: An Approach of Linear Regression.
- [Conference paper] IEEE/OSA Conference on Lasers and Electro-Optics (CLEO); [Details]
- Fan, Y.; Pang, X.; Udalcovs, A.; Natalino, C.; Zhang, L.; Spolitis, S.; Bobrovs, V.; Schatz, R.; Yu, X.; Furdek, M.; Popov, S.; Ozolins, O. (2022):
- A Comparison of Linear Regression and Deep LearningModel for EVM Estimation in Coherent Optical Systems.
- [Conference paper] Pacific Rim Conference on Lasers and Electro-Optics (CLEO-PR); [Details]
- Pang, X.; Ozolins, O.; Jia, S.; Zhang, L.; Schatz, R.; Udalcovs, A.; Bobrovs, V.; Hu, H.; Morioka, T.; Sun, Y.; Chen, J.; Lourdudoss, S.; Oxenloewe, L.; Popov, S.; Yu, X. (2022):
- Bridging the Terahertz Gap: Photonics-assisted Free-Space Communications from the Submillimeter-Wave to the Mid-Infrared.
- Journal of Lightwave Technology : 1-1 [Details]
- Pang, X.; Schatz, R.; Joharifar, M.; Udalcovs, A.; Bobrovs, V.; Zhang, L.; Yu, X.; Sun, Y.; Maisons, G.; Carras, M.; Popov, S.; Lourdudoss, S.; Ozolins, O. (2022):
- Direct Modulation and Free-Space Transmissions of up to 6 Gbps Multilevel Signals With a 4.65-mu m Quantum Cascade Laser at Room Temperature.
- Journal of Lightwave Technology 40: 2370-2377 [Details]
- Fan, Y.; Pang, X.; Udalcovs, A.; Natalino, C.; Zhang, L.; Bobrovs, V.; Schatz, R.; Yu, X.; Furdek, M.; Popov, S.; Ozolins, O. (2022):
- Feedforward Neural Network-based EVM Estimation - Impairment Tolerance in Coherent Optical Systems.
- IEEE Journal of Selected Topics in Quantum Electronics : 1-1 [Details]
- Fan, Y.; Udalcovs, A.; Natalino, C.; Pang, X.; Schatz, R.; Furdek, M.; Popov, S.; Ozolins, O. (2021):
- Laser Linewidth Tolerant EVM Estimation Approach for Intelligent Signal Quality Monitoring Relying on Feedforward Neural Networks.
- [Conference paper] IEEE European Conference on Optical Communication (ECOC); [Details]
- Fan, Y.; Udalcovs, A.; Pang, X.; Natalino, C.; Schatz, R.; Furdek, M.; Popov, S.; Ozolins, O. (2021):
- Deep Learning Assisted Pre-Carrier Phase Recovery EVM Estimation for Coherent Transmission Systems.
- [Conference paper] Conference on Lasers and Electro-Optics; [Details]
- Pang, X.; Schatz, R.; Joharifar, M.; Udalcovs, A.; Bobrovs, V.; Zhang, L.; Yu, X.; Sun, Y.; Popov, S.; Lourdudoss, S.; Ozolins, O. (2021):
- Directly modulated quantum cascade laser and its application in free-space communications.
- [Conference paper] Conference on Optoelectronic Devices and Integration X, OCT 10-12, 2021, Nantong, PEOPLES R CHINA; Optoelectronic Devices And Integration X [Details]
- Che, D.; Matsui, Y.; Schatz, R.; Raybon, G.; Bhatt, V.; Kwakernaak, M.; Sudo, T. (2021):
- Long-Term Reliable >200-Gb/s Directly Modulated Lasers with 800GbE-Compliant DSP.
- [Conference paper] 2021 Optical Fiber Communications Conference and Exhibition, OFC 2021, 6 June 2021 through 11 June 2021; 2021 Optical Fiber Communications Conference and Exhibition, OFC 2021 - Proceedings [Details]
- Fan, Y.; Udalcovs, A.; Pang, X.; Natalino, C.; Schatz, R.; Furdek, M.; Popov, S.; Ozolins, O. (2021):
- Deep learning assisted pre-carrier phase recovery EVM estimation for coherent transmission systems.
- [Conference paper] CLEO: Science and Innovations, CLEO:S and I 2021 - Part of Conference on Lasers and Electro-Optics, CLEO 2021, 9 May 2021 through 14 May 2021; Optics InfoBase Conference Papers [Details]
- Fan, Y.; Udalcovs, A.; Pang, X.; Natalino, C.; Schatz, R.; Furdek, M.; Popov, S.; Ozolins, O. (2021):
- Deep Learning Assisted Pre-Carrier Phase Recovery EVM Estimation for Coherent Transmission Systems.
- [Conference paper] 2021 Conference on Lasers and Electro-Optics, CLEO 2021, Virtual, Online, 9-14 May 2021; 2021 Conference on Lasers and Electro-Optics, CLEO 2021 - Proceedings [Details]
- Che, D.; Matsui, Y.; Schatz, R.; Raybon, G.; Bhatt, V.; Kwakernaak, M.; Sudo, T. (2021):
- Long-Term Reliable > 200-Gb/s Directly Modulated Lasers with 800GbE-Compliant DSP.
- [Conference paper] Optical Fiber Communications Conference and Exhibition (OFC), JUN 06-11, 2021, ELECTR NETWORK; 2021 OPTICAL FIBER COMMUNICATIONS CONFERENCE AND EXPOSITION (OFC) [Details]
- Pang, X.; Udalcovs, A.; Schatz, R.; Bobrovs, V.; Jacobsen, G.; Popov, S.; Ozolins, O. (2021):
- Short Reach Communication Technologies for Client-Side Optics Beyond 400 Gbps.
- IEEE Photonics Technology Letters 33: 1046-1049 [Details]
- Spyropoulou, M.; Kanakis, G.; Jiao, Y.; Stabile, R.; Calabretta, N.; Williams, K.; Nodjiadjim, V.; Hersent, R.; Konczykowska, A.; Schatz, R.; Ozolins, O.; Joharifar, M.; Zverina, J.; Zoldak, M.; Bakopoulos, P.; Patronas, G.; Avramopoulos, H. (2021):
- The path to 1Tb/s and beyond datacenter interconnect networks - technologies, components and subsystems.
- [Conference paper] Conference on Metro and Data Center Optical Networks and Short-Reach Links IV, MAR 06-11, 2021, ELECTR NETWORK; METRO AND DATA CENTER OPTICAL NETWORKS AND SHORT-REACH LINKS IV [Details]
- Fan, Y.; Udalcovs, A.; Natalino, C.; Pang, X.; Schatz, R.; Furdek, M.; Popov, S.; Ozolins, O. (2021):
- Experimental validation of CNNs versus FFNNs for time- and energy-efficient EVM estimation in coherent optical systems.
- Journal of Optical Communications and Networking 13: E63-E71 [Details]
- Ozolins, O.; Pang, X.; Udalcovs, A.; Schatz, R.; Spolitis, S.; Bobrovs, V.; Jacobsen, G.; Popov, S. (2021):
- 100 Gbaud On-Off Keying/Pulse Amplitude Modulation Links in C-Band for Short-Reach Optical Interconnects.
- Applied Sciences 11: [Details]
- Che, D.; Matsui, Y.; Schatz, R.; Rodes, R.; Khan, F.; Kwakernaak, M.; Sudo, T. (2021):
- 200-Gb/s Direct Modulation of a 50-GHz Class Laser with Advanced Digital Modulations.
- Journal of Lightwave Technology 39: 845-852 [Details]
- Matsui, Y.; Schatz, R.; Che, D.; Khan, F.; Kwakernaak, M.; Sudo, T. (2021):
- Low-chirp isolator-free 65-GHz-bandwidth directly modulated lasers.
- Nature Photonics 15: 59-63 [Details]
- Pang, X.; Udalcovs, A.; Schatz, R.; Popov, S.; Ozolins, O. (2020):
- High-Speed Short Reach Optical Communications - Technological Options and Challenges.
- [Conference paper] Asia Communications and Photonics Conference / International Conference on Information Photonics and Optical Communications (ACP/IPOC), OCT 24-27, 2020, Beijing, PEOPLES R CHINA; 2020 Asia Communications and Photonics Conference (ACP) and International Conference on Information Photonics and Optical Communications (IPOC) [Details]
- Liu, Z.; Matsui, Y.; Schatz, R.; Khan, F.; Kwakernaak, M.; Sudo, T. (2020):
- 50-GHz Gain Switching and Period Doubling using an Optical Injection Locked Cavity-Enhanced DFB Laser.
- [Conference paper] 2020 Optical Fiber Communications Conference and Exhibition, OFC 2020, 8 March 2020 through 12 March 2020; 2020 Optical Fiber Communications Conference and Exhibition, OFC 2020 - Proceedings [Details]
- Matsui, Y.; Schatz, R.; Che, D.; Khan, F.; Kwakernaak, M.; Sudo, T. (2020):
- Isolator-Free > 67-GHz Bandwidth DFB+R Laser with Suppressed Chirp.
- [Conference paper] 2020 Optical Fiber Communications Conference and Exhibition, OFC 2020, 8 March 2020 through 12 March 2020; 2020 Optical Fiber Communications Conference and Exhibition, OFC 2020 - Proceedings [Details]
- Pang, X.; Udalcovs, A.; Schatz, R.; Popov, S.; Ozolins, O. (2020):
- High-speed short reach optical communications - Technological options and challenges.
- [Conference paper] 2020 Asia Communications and Photonics Conference, ACPC 2020/International Conference on Information Photonics and Optical Communications, IPOC 2020, 24 October 2020 through 27 October 2020; Optics InfoBase Conference Papers [Details]
- Che, D.; Matsui, Y.; Schatz, R.; Rodes, R.; Khan, F.; Kwakernaak, M.; Sudo, T.; Chandrasekhar, S.; Cho, J.; Chen, X.; Winzer, P. (2020):
- Direct Modulation of a 54-GHz Distributed Bragg Reflector Laser with 100-GBaud PAM-4 and 80-GBaud PAM-8.
- [Conference paper] 2020 Optical Fiber Communications Conference and Exhibition, OFC 2020, 8-12 March 2020; 2020 Optical Fiber Communications Conference and Exhibition, OFC 2020 - Proceedings [Details]
- Matsui, Y.; Schatz, R.; Che, D.; Khan, F.; Kwakernaak, M.; Sudo, T. (2020):
- Isolator-free > 67-GHz bandwidth DFB plus R laser with suppressed chirp.
- [Conference paper] 2020 optical fiber communications conference and exposition (OFC); 2020 optical fiber communications conference and exposition (OFC) [Details]
- Liu, Z.; Matsui, Y.; Schatz, R.; Khan, F.; Kwakernaak, M.; Sudo, T. (2020):
- 50-GHz Gain Switching and Period Doubling Using an Optical Injection Locked Cavity-enhanced DFB Laser.
- [Conference paper] 2020 optical fiber communications conference and exposition (OFC); 2020 optical fiber communications conference and exposition (OFC) [Details]
- Ozolins, O.; Zhang, L.; Udalcovs, A.; Louchet, H.; Dippon, T.; Gruen, M.; Pang, X.; Schatz, R.; Westergren, U.; Xiao, S.; Popov, S.; Chen, J. (2020):
- 300 Gbps Short-Reach C-Band Optical Links.
- [Conference paper] 22nd International Conference on Transparent Optical Networks (ICTON), JUL 19-23, 2020, Bari, ITALY; 2020 22nd international conference on transparent optical networks (ICTON 2020) [Details]
- Ozolins, O.; Zhang, L.; Udalcovs, A.; Louchet, H.; DIppon, T.; Gruen, M.; Pang, X.; Schatz, R.; Westergren, U.; Xiao, S.; Popov, S.; Chen, J. (2020):
- 300+ Gbps Short-Reach Optical Communications.
- [Conference paper] 2020 Conference on Lasers and Electro-Optics, CLEO 2020, 10-15 May 2020; Conference Proceedings - Lasers and Electro-Optics Society Annual Meeting-LEOS [Details]
- Kolpakov, S.; Sergeyev, S.; Udalcovs, A.; Pang, X.; Ozolins, O.; Schatz, R.; Popov, S. (2020):
- Polarization dynamics of coupled raman lasers.
- [Conference paper] 22nd International Conference on Transparent Optical Networks, ICTON 2020, 19 July 2020 through 23 July 2020; International Conference on Transparent Optical Networks [Details]
- Matsui, Y.; Schatz, R.; Che, D.; Khan, F.; Kwakernaak, M.; Sudo, T. (2020):
- Isolator-free \textgreater 67-GHz bandwidth DFB+R laser with suppressed chirp.
- [Conference paper] Optical Fiber Communication Conference, OFC 2020; San Diego; United States; 8 March 2017 through 12 March 2017; Optical Fiber Communication Conference, OFC 2020 [Details]
- Liu, Z.; Matsui, Y.; Schatz, R.; Khan, F.; Kwakernaak, M.; Sudo, T. (2020):
- 50-GHz gain switching and period doubling using an optical injection locked cavity-enhanced DFB laser.
- [Conference paper] Optical Fiber Communication Conference, OFC 2020; San Diego; United States; 8 March 2017 through 12 March 2017; Optical Fiber Communication Conference, OFC 2020 [Details]
- Pang, X.; Ozolins, O.; Zhang, L.; Schatz, R.; Udalcovs, A.; Yu, X.; Jacobsen, G.; Popov, S.; Chen, J.; Lourdudoss, S. (2020):
- Free-Space Communications Enabled by Quantum Cascade Lasers.
- Physica Status Solidi (a) applications and materials science : [Details]
- Che, D.; Matsui, Y.; Schatz, R.; Rodes, R.; Khan, F.; Kwakernaak, M.; Sudo, T.; Chandrasekhar, S.; Cho, J.; Chen, X.; Winzer, P. (2020):
- Direct modulation of a 54-GHz distributed Bragg reflector laser with 100-Gbaud PAM-4 and 80-Gbaud PAM-8.
- [Conference paper] Optical Fiber Communication Conference, OFC 2020, San Diego, USA, 8-12 March 2017; Optical Fiber Communication Conference, OFC 2020 [Details]
- Panajotov, K.; Schatz, R. (2020):
- Coupled-Cavity VCSEL with an Integrated Electro-Absorption Modulator - Small- and Large-Signal Modulation Analysis.
- Applied Sciences 10: [Details]
- Kolpakov, S.; Sergeyev, S.; Udalcovs, A.; Pang, X.; Ozolins, O.; Schatz, R.; Popov, S. (2020):
- Optical rogue waves in coupled fiber Raman lasers.
- Optics Letters 45: 4726-4729 [Details]
- Omanakuttan, G.; Sun, Y.; Reuterskiöld-Hedlund, C.; Junesand, C.; Schatz, R.; Lourdudoss, S.; Pillard, V.; Lelarge, F.; Browne, J.; Justice, J.; Corbett, B. (2020):
- Surface emitting 1.5 mu m multi-quantum well LED on epitaxial lateral overgrowth InP/Si.
- Optical Materials Express 10: 1714-1723 [Details]
- Spyropoulou, M.; Kanakis, G.; Jiao, Y.; Stabile, R.; Calabretta, N.; Williams, K.; Dupuy, J.; Konczykowska, A.; Schatz, R.; Ozolins, O.; Zverina, J.; Zoldak, M.; Bakopoulos, P.; Patronas, G.; Avramopoulos, H. (2020):
- Towards 1.6T datacentre interconnect technologies - the TWILIGHT perspective.
- JOURNAL OF PHYSICS-PHOTONICS 2: [Details]
- Zhang, L.; Chen, J.; Udalcovs, A.; Pang, X.; Schatz, R.; Westergren, U.; Popov, S.; Xiao, S.; Ozolins, O. (2020):
- Kernel Affine Projection for Nonlinearity Tolerant Optical Short Reach Systems.
- IEEE Transactions on Communications 68: 6403-6412 [Details]
- Pang, X.; Hu, W.; Jacobsen, G.; Popov, S.; Chen, J.; Ozolins, O.; Lin, R.; Zhang, L.; Udalcovs, A.; Xue, L.; Schatz, R.; Westergren, U.; Xiao, S. (2020):
- 200 Gbps & x002F;Lane IM & x002F;DD Technologies for Short Reach Optical Interconnects.
- Journal of Lightwave Technology 38: 492-503 [Details]
- Rosa, P.; Rizzelli, G.; Pang, X.; Ozolins, O.; Udalcovs, A.; Tan, M.; Jaworski, M.; Marciniak, M.; Sergeyev, S.; Schatz, R.; Jacobsen, G.; Popov, S.; Ania-Castanon, J. (2020):
- Unrepeatered 240-km 64-QAM Transmission Using Distributed Raman Amplification over SMF Fiber.
- Applied Sciences 10: [Details]
- Liu, Z.; Matsui, Y.; Schatz, R.; Khan, F.; Kwakernaak, M.; Sudo, T. (2020):
- 50-GHz Repetition Gain Switching Using a Cavity-Enhanced DFB Laser Assisted by Optical Injection Locking.
- Journal of Lightwave Technology 38: 1844-1850 [Details]
- Che, D.; Matsui, Y.; Chen, X.; Schatz, R.; Iannone, P. (2020):
- 400-Gb/s direct modulation using a DFB plus R laser.
- Optics Letters 45: 3337-3339 [Details]
- Zhang, L.; Chen, J.; Udalcovs, A.; Louchet, H.; Dippon, T.; Gruen, M.; Pang, X.; Schatz, R.; Westergren, U.; Popov, S.; Xiao, S.; Ozolins, O. (2019):
- Lattice pilot aided DMT transmission for optical interconnects achieving 5.82-bits/Hz per lane.
- [Conference paper] 45th European Conference on Optical Communication, ECOC 2019, 22 September 2019 through 26 September 2019; IET Conference Publications [Details]
- Ozolins, O.; Zhang, L.; Udalcovs, A.; Louchet, H.; Dippon, T.; Gruen, M.; Pang, X.; Schatz, R.; Westergren, U.; Xiao, S.; Popov, S.; Chen, J. (2019):
- 100 Gbaud PAM4 link without EDFA and post-equalization for optical interconnects.
- [Conference paper] 45th European Conference on Optical Communication, ECOC 2019; Dublin; Ireland; 22-26 September 2019; IET Conference Publications [Details]
- Pang, X.; Ozolins, O.; Zhang, L.; Udalcovs, A.; Lin, R.; Schatz, R.; Westergren, U.; Xiao, S.; Hu, W.; Jacobsen, G.; Popov, S.; Chen, J. (2019):
- Beyond 200 Gbps per lane intensity modulation direct detection (IM/DD) transmissions for optical interconnects - Challenges and recent developments.
- [Conference paper] Optical Fiber Communication Conference, OFC 2019, 3 March 2019 through 7 March 2019; Optics InfoBase Conference Papers [Details]
- Pang, X.; Ozolins, O.; Zhang, L.; Udalcovs, A.; Lin, R.; Schatz, R.; Westergren, U.; Xiao, S.; Hu, W.; Jacobsen, G.; Popov, S.; Chen, J. (2019):
- Beyond 200 Gbps per Lane Intensity Modulation Direct Detection (IM/DD) Transmissions for Optical Interconnects - Challenges and Recent Developments.
- [Conference paper] 2019 Optical Fiber Communications Conference and Exhibition, OFC 2019; San Diego; United States; 3 March 2019 through 7 March 2019; 2019 OPTICAL FIBER COMMUNICATIONS CONFERENCE AND EXHIBITION (OFC) [Details]
- Zhang, L.; Udalcovs, A.; Lin, R.; Ozolins, O.; Pang, X.; Gan, L.; Schatz, R.; Tang, M.; Fu, S.; Liu, D.; Tong, W.; Popov, S.; Jacobsen, G.; Hu, W.; Xiao, S.; Chen, J. (2019):
- Toward Terabit Digital Radio over Fiber Systems - Architecture and Key Technologies.
- IEEE Communications Magazine 57: 131-137 [Details]
- Van Kerrebrouck, J.; Pang, X.; Ozolins, O.; Lin, R.; Udalcovs, A.; Zhang, L.; Li, H.; Spiga, S.; Amann, M.; Gan, L.; Tang, M.; Fu, S.; Schatz, R.; Jacobsen, G.; Popov, S.; Liu, D.; Tong, W.; Torfs, G.; Bauwelinck, J.; Chen, J.; Yin, X. (2019):
- High-Speed PAM4-Based Optical SDM Interconnects With Directly Modulated Long-Wavelength VCSEL.
- Journal of Lightwave Technology 37: 356-362 [Details]
- Zhang, L.; Van Kerrebrouck, J.; Lin, R.; Pang, X.; Udalcovs, A.; Ozolins, O.; Spiga, S.; Amann, M.; Van Steenberge, G.; Gan, L.; Tang, M.; Fu, S.; Schatz, R.; Popov, S.; Liu, D.; Tong, W.; Xiao, S.; Torfs, G.; Chen, J.; Bauwelinck, J.; Yin, X. (2019):
- Nonlinearity Tolerant High-Speed DMT Transmission With 1.5-mu m Single-Mode VCSEL and Multi-Core Fibers for Optical Interconnects.
- Journal of Lightwave Technology 37: 380-388 [Details]
- Udalcovs, A.; Pang, X.; Ozolins, O.; Lin, R.; Gan, L.; Schatz, R.; Djupsjobacka, A.; Martensson, J.; Tang, M.; Fu, S.; Liu, D.; Tong, W.; Chen, J.; Popov, S.; Jacobsen, G. (2018):
- MCF-Enabled Self-Homodyne 16/64QAM Transmission for SDM Optical Access Networks.
- [Conference paper] 2018 Conference on Lasers and Electro-Optics, CLEO 2018, San José, California, USA, 13-18 May 2018; 2018 Conference on Lasers and Electro-Optics, CLEO 2018 [Details]
- Ozolins, O.; Pang, X.; Udalcovs, A.; Lin, R.; Van Kerrebrouck, J.; Gan, L.; Zhang, L.; Tang, M.; Fu, S.; Schatz, R.; Westergren, U.; Jacobsen, G.; Liu, D.; Tong, W.; Torfs, G.; Bauwelinck, J.; Chen, J.; Popov, S.; Yin, X. (2018):
- 7x149 Gbit/s PAM4 Transmission over 1 km Multicore Fiber for Short-Reach Optical Interconnects.
- [Conference paper] Conference on Lasers and Electro-Optics (CLEO), MAY 13-18, 2018, San Jose, CA; 2018 conference on lasers and electro-optics (CLEO) [Details]
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