A CMOS time-to-digital converter based on a ring oscillator for a laser radar. - Ilkka Nissinen; Antti Mäntyniemi; Juha Kostamovaara (ESSCIRC, 2003)

A low voltage CMOS constant current-voltage reference circuit. - Ilkka Nissinen; Juha Kostamovaara (ISCAS (1), 2004)

Integrated Receiver Including Both Receiver Channel and TDC for a Pulsed Time-of-Flight Laser Rangefinder With cm-Level Accuracy. - Jan Nissinen; Ilkka Nissinen; Juha Kostamovaara (IEEE J. Solid State Circuits, 2009)

On-Chip Voltage Reference-Based Time-to-Digital Converter for Pulsed Time-of-Flight Laser Radar Measurements. - Ilkka Nissinen; Juha Kostamovaara (IEEE Trans. Instrum. Meas., 2009)

A time-gated 4×128 SPAD array with a 512 channel flash 80 ps-TDC for pulsed Raman spectroscopy. - Ilkka Nissinen; Jan Nissinen; Juha Kostamovaara (ECCTD, 2013)

2×(4×)128 time-gated CMOS single photon avalanche diode line detector with 100 ps resolution for Raman spectroscopy. - Ilkka Nissinen; Antti-Kalle Länsman; Jan Nissinen; Jouni Holma; Juha Kostamovaara (ESSCIRC, 2013)

Time-to-digital converter based on analog time expansion for 3D time-of-flight cameras. - Muhammad Tanveer; Ilkka Nissinen; Jan Nissinen; Juha Kostamovaara; Johan Borg; Jonny Johansson (IMSE, 2014)

A TDC-based 4×128 CMOS SPAD array for time-gated Raman spectroscopy. - Ilkka Nissinen; Jan Nissinen; Jouni Holma; Juha Kostamovaara (ESSCIRC, 2014)

Cross talk measurements of a time-gated 4×128 SPAD array for pulsed Raman spectroscopy. - Ilkka Nissinen; Jan Nissinen; Jouni Holma; Juha Kostamovaara (NORCHIP, 2014)

A single chip laser radar receiver with a 9×9 SPAD detector array and a 10-channel TDC. - Sahba Jahromi; Jussi-Pekka Jansson; Ilkka Nissinen; Jan Nissinen; Juha Kostamovaara (ESSCIRC, 2015)

Effects of the inhomogeneity of the time resolving CMOS single-photon avalanche diode array on time-gated Raman spectroscopy. - Ilkka Nissinen; Jan Nissinen; Juha Kostamovaara (I2MTC, 2017)

On the effects of the excess bias of the SPAD on the timing accuracy in time interval measurement. - Jan Nissinen; Ilkka Nissinen; Jaakko Huikari; Sahba Jahromi; Jussi-Pekka Jansson; Juha Kostamovaara (IEEE SENSORS, 2017)

On the time gating of SPADs in a synchronized time-gated SPAD array in Raman spectroscopy. - Ilkka Nissinen; Jan Nissinen; Juha Kostamovaara (IEEE SENSORS, 2017)

Characterization of the Timing Homogeneity in a CMOS SPAD Array Designed for Time-Gated Raman Spectroscopy. - Jouni Holma; Ilkka Nissinen; Jan Nissinen; Juha Kostamovaara (IEEE Trans. Instrum. Meas., 2017)

Time-gated CMOS SPAD and a Quantum Well Laser Diode with a CMOS Driver for Time-Resolved Diffuse Optics Imaging. - Jan Nissinen; Ilkka Nissinen; Sahba Jahromi; Tuomo Talala; Juha Kostamovaara (NORCAS, 2018)

Distance-Resolving Raman Radar Based on a Time-Correlated CMOS Single-Photon Avalanche Diode Line Sensor. - Jere Kekkonen; Jan Nissinen; Juha Kostamovaara; Ilkka Nissinen (Sensors, 2018)

Timing Skew Compensation Methods for CMOS SPAD Line Sensors Used for Raman Spectroscopy. - Tuomo Talala; Ilkka Nissinen (IEEE SENSORS, 2019)

Single Burst Depth-Resolving Raman Spectrometer Based on a SPAD Array with an On-Chip TDC to Analyse Heterogenous Liquid Samples. - Jere Kekkonen; Ilkka Nissinen (NORCAS, 2019)

A Pulse Width-Controlled CMOS Laser Diode Pulser and a Time-Gated Time-Resolved SPAD Array Transceiver Chip for Diffuse Optics. - Marko Pakaslahti; Jan Nissinen; Ilkka Nissinen (ECCTD, 2020)

Time-Resolved Raman Spectrometer With High Fluorescence Rejection Based on a CMOS SPAD Line Sensor and a 573-nm Pulsed Laser. - Tuomo Talala; Ville A. Kaikkonen; Pekka Keränen; Jari Nikkinen; Antti Härkönen; Vasili G. Savitski; Sean Reilly; Lukasz Dziechciarczyk; Alan J. Kemp; Mircea Guina; Anssi J. Mäkynen; Ilkka Nissinen (IEEE Trans. Instrum. Meas., 2021)

On the Spectral Quality of Time-Resolved CMOS SPAD-Based Raman Spectroscopy with High Fluorescence Backgrounds. - Jere Kekkonen; Tuomo Talala; Jan Nissinen; Ilkka Nissinen (IEEE DataPort, 2022)

Time- and spectrally-resolved mesoscopic Raman and fluorescence imaging of carious enamel by a CMOS SPAD-based spectrometer. - Jere Kekkonen; Tuomo Talala; Ilkka Nissinen (I2MTC, 2023)

Fast Plastic Detection with a Time-Resolved Raman Spectrometer. - Tuomo Talala; Ilkka Nissinen (I2MTC, 2023)

Optical CMOS Transceiver with $8 times 32$ SPAD Array, 32 TDCs and Laser Diode Driver for Wearable Time-Domain Diffuse Optics Applications. - Jan Nissinen; Marko Pakaslahti; Tore Leikanger; Juha Häkkinen; Jaakko Huikari; Ilkka Nissinen (SENSORS, 2023)

CMOS Transceiver with Time-Gated 4×8 SPAD Array and Width-Controlled Laser Diode Pulser for Time-Domain Diffuse Optics Measurements. - Marko Pakaslahti; Ilkka Nissinen; Jan Nissinen (SENSORS, 2023)

3-D Raman Imaging Using Time-Resolving CMOS SPAD Line Sensor and 2-D Mapping. - Belal Mostafa Amin; Jere Kekkonen; Tuomo Talala; Ilkka Nissinen (IEEE Trans. Instrum. Meas., 2023)

CMOS SPAD Line Sensor With Fine-Tunable Parallel Connected Time-to-Digital Converters for Raman Spectroscopy. - Tuomo Talala; Eetu Parkkinen; Ilkka Nissinen (IEEE J. Solid State Circuits, 2023)

Highly linear on-chip delay generator for a depth profiling CMOS SPAD Raman sensor. - Belal Mostafa Amin; Ilkka Nissinen (NorCAS, 2024)