High Sensitivity Receiver Demonstration Using Phase Sensitive Amplifier for Free-Space Optical Communication. - Ravikiran Kakarla; Kovendhan Vijayan; Abel Lorences-Riesgo; Peter A. Andrekson (ECOC, 2017)

Optical Bandwidth Dependency of Nonlinearity Mitigation in Phase-Sensitive Amplifier Links. - Kovendhan Vijayan; Henrik Eliasson; Benjamin Foo; Samuel L. I. Olsson; Magnus Karlsson 001; Peter A. Andrekson (ECOC, 2018)

Cross-Phase Modulation Mitigation in WDM Transmission Systems Using Phase-Sensitive Amplifiers. - Kovendhan Vijayan; Benjamin Foo; Henrik Eliasson; Peter A. Andrekson (ECOC, 2018)

Phase Noise Characteristics of Injection-locked Lasers Operated at Low Injection Powers. - Ravikiran Kakarla; Kovendhan Vijayan; Jochen Schröder; Peter A. Andrekson (OFC, 2018)

Look-up Table based Pre-distortion for Transmitters Employing High-Spectral-Efficiency Modulation Formats. - Zonglong He; Kovendhan Vijayan; Mikael Mazur; Magnus Karlsson 001; Jochen Schröder (ECOC, 2020)

Symbol-Based Supervised Learning Predistortion for Compensating Transmitter Nonlinearity. - Zonglong He; Jinxiang Song; Christian Häger; Kovendhan Vijayan; Peter A. Andrekson; Magnus Karlsson 001; Alexandre Graell i Amat; Henk Wymeersch; Jochen Schröder (ECOC, 2021)

Experimental Demonstration of 8-Dimensional Voronoi Constellations with 65, 536 and 16, 777, 216 Symbols. - Ali Mirani; Kovendhan Vijayan; Zonglong He; Shen Li 006; Erik Agrell; Jochen Schröder; Peter A. Andrekson; Magnus Karlsson 001 (ECOC, 2021)

Zero-Offset Frequency Locking of Lasers at Ultra-Low Optical Powers. - Rasmus Larsson; Kovendhan Vijayan; Peter A. Andrekson (OFC, 2023)

Low-Noise Phase-Sensitive Optical Parametric Amplifier with Local Pump Generation using Digital Frequency and Phase Control. - Rasmus Larsson; Kovendhan Vijayan; Jochen Schröder; Peter A. Andrekson (OFC, 2023)

200G IM/DD Time-and-Polarization-Division-Multiplexed PON with >29dB Power Budget Using Boosted EML and APDs. - Robert Borkowski; Kovendhan Vijayan; Vincent Houtsma; Qian Hu; Amitkumar Mahadevan; Patrick Iannone; Doutje T. van Veen (OFC, 2024)

400 Gbit/s Dual-Wavelength and Dual-Polarization IM-DD TDM-PON with 34 dB Power Budget. - Doutje T. van Veen; Robert Borkowski; Kovendhan Vijayan; Amitkumar Mahadevan; Vincent Houtsma (OFC, 2024)

Burst-Mode Coherent PON Upstream with Rapid Wavelength Measurement and Fast Local Oscillator Tuning Over 20 nm. - Robert Borkowski; Brian Stern; Kovendhan Vijayan; Qian Hu; Kwangwoong Kim; Bob Farah; Ed Sutter; Vincent Houtsma; Doutje T. van Veen; Nicolas K. Fontaine (OFC, 2025)

Operator Trial of Quadruple PON Coexistence with 100G-PON, 50G-PON, 25GS-PON and XGS-PON. - Robert Borkowski; Kovendhan Vijayan; Suresh Chandrasekaran; John Valdez; Erwin Wardojo; Srimadhaven Thirumurthy; Vincent Houtsma; Christoph Füllner; Dora van Veen; Michael Straub; René Bonk; Chris Edwards; et al. (OFC, 2025)

Blind Channel Equalizer-Based Suppression of Interference from Non-Transmitting ONUs in Upstream Coherent PON. - Wouter Lanneer; Kovendhan Vijayan; Robbe Van Rompaey; Robert Borkowski; Laurens Breyne (OFC, 2025)

Measuring Broadly Spanning Lasers at Nanosecond Speed with a Silicon Photonic Wavemeter. - Brian Stern; Kovendhan Vijayan; Robert Borkowski; Bob Farah; Ed Sutter; Kwangwoong Kim (OFC, 2025)

Polarization Based Fiber Optic Sensing and Monitoring in Real-time IM-DD Based PON. - Doutje T. van Veen; Kovendhan Vijayan; Robert Borkowski; Vincent Houtsma (OFC, 2025)

480 Gbit/s and 240 Gbit/s Single-Carrier Super-Rated Upstream Burst-Mode Coherent PON Utilizing Off-the-Shelf Coherent Receiver. - Kovendhan Vijayan; Robert Borkowski; Qian Hu; Doutje T. van Veen; Vincent Houtsma (OFC, 2025)