Single-Photon Timing Resolution in Digital Silicon Photomultipliers - - PowerPoint PPT Presentation

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Single-Photon Timing Resolution in Digital Silicon Photomultipliers - - PowerPoint PPT Presentation

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Single-Photon Timing Resolution in Digital Silicon Photomultipliers E. Venialgo 1 , J.-F. Pratte 2 , S. Brunner 3 , and E. Charbon 4 1 Applied Quantum Architectures department, Delft University of Technology, Delft, Netherlands. 2 Department of

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Single-Photon Timing Resolution in Digital Silicon Photomultipliers

  • E. Venialgo1, J.-F. Pratte2, S. Brunner3, and E. Charbon4

1Applied Quantum Architectures department, Delft University of Technology, Delft, Netherlands. 2Department of Electrical and Computer Engineering, Université de Sherbrooke, Sherbrooke, QC, Canada. 3Radiation Science & Technology department, Delft University of Technology, Delft, The Netherlands. 4Advanced Quantum Architecture Laboratory, EPFL, Lausanne, Switzerland.

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Main objective of this talk

Discuss and propose a standardization methods for SPTR measurements in Digital SiPMs

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Outline

  • Definition of SPTR
  • Digital SiPM architectures
  • Setup examples
  • Parameters and standardization
  • Conclusions
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Single-Photon Timing Resolution

“The timing response of a SiPM is represented as a statistical distribution characterized by its precision, accuracy, and bin size (LSB)”

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Single-Photon Timing Resolution

“The timing response of a SiPM is represented as a statistical distribution characterized by its precision, accuracy, and bin size (LSB)”

accuracy

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Single-Photon Timing Resolution

“The timing response of a SiPM is represented as a statistical distribution characterized by its precision, accuracy, and bin size (LSB)”

precision

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Single-Photon Timing Resolution

“The timing response of a SiPM is represented as a statistical distribution characterized by its precision, accuracy, and bin size (LSB)”

bin size (LSB)

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Conditions and techniques

  • Single-photon light level
  • Uniform illumination over the sensitive area
  • TCSPC measurement technique
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SPTR impact on applications (PET)

D-SiPM SCINTILLATOR 511 keV Gamma Photon

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SPTR impact on applications (PET)

D-SiPM SCINTILLATOR 511 keV Gamma Photon

Q: total photoelectrons Tr: rise time Td: decay time

: SPTR

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SPTR impact on applications (PET)

D-SiPM SCINTILLATOR 511 keV Gamma Photon

Q: total photoelectrons Tr: rise time Td: decay time

: SPTR

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SPTR impact on applications (PET)

D-SiPM SCINTILLATOR 511 keV Gamma Photon

Q: total photoelectrons Tr: rise time Td: decay time

: SPTR

SORTING PROCESS

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Digital SiPM architectures

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Digital SiPM concepts

6400 SPADs 1 time stamp TDC

  • T. Frach et al., NSSMIC 2009

digital photon counter (DPC)

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Digital SiPM concepts

6400 SPADs 1 time stamp TDC 26x16 SPADs 48 individual time stamps 48 TDC

  • T. Frach et al., NSSMIC 2009
  • S. Mandai et al., NSSMIC 2012

digital photon counter (DPC) Multichannel digital SiPM (MD-SiPM)

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Digital SiPM concepts

6400 SPADs 1 time stamp TDC 26x16 SPADs 48 individual time stamps 48 TDC 1 SPAD per TDC N individual time stamps

  • T. Frach et al., NSSMIC 2009
  • S. Mandai et al., NSSMIC 2012 Pratte et al. 3DIC-IEEE 2010

3D digital SiPM (3DdSiPM) digital photon counter (DPC) Multichannel digital SiPM (MD-SiPM)

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Digital Photon Counter (DPC)

  • each die has 4 pixels
  • two TDCs per die
  • 4 sub-pixels
  • 3200 or 6400 SPADs per

pixel

  • programmable trigger and

validation logic

  • individual SPAD cell masking

circuitry

  • TDC bin size: 24 ps
  • T. Frach et al., NSSMIC 2009
  • S. Brunner et al., JINST 2016
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9x18 Array of MD-SiPMs 9 x 18

MD-SiPMs

432 TDCs

26x16 Pixels 26x16 SPADs 26x16 SPADs 26x16 SPADs 26x16 SPADs 26x16 SPADs 26x16 SPADs 26x16 SPADs 26x16 SPADs 26x16 SPADs 26x16 SPADs 26x16 SPADs 26x16 SPADs 26x16 SPADs 26x16 SPADs

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9x18 Array of MD-SiPMs architectural overview

  • a 2D 9x18 MD-SiPM array.
  • 9 TDC banks with each having 48

TDCs..

  • configuration memory and masking

registers.

  • readout logic and discriminator.

9x18 MD-SiPM Array Decoder Smart Reset Decision Logic Masking / Energy Calculation Config MD-SiPM: 16x26 SPADs 48x9 Column-parallel TDC Matrix

48 timing/energy lines

Serializer / IOs Refs. PVTB High Voltage Generator Augusto Carimatto; Shingo Mandai; Esteban Venialgo; Ting Gong; Giacomo Borghi; Dennis R. Schaart; Edoardo

  • Charbon. ISSCC, 2015
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3D digital SiPM

3D Integration

  • high fill factor
  • heterogeneous

technologies integration

Teledyne Dalsa Custom process TSMC CMOS 65 nm 256 SPAD readout ASIC

Pratte et al. 3DIC-IEEE 2010

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Digital SiPM overview

Post-processing 256 Pixels

QC TDC SPAD Channel QC TDC SPAD Channel QC TDC SPAD Channel QC TDC SPAD Channel Array Readout A) Calibration and correction B) Timestamp sorting C) Dark count filter D) Multi-photon estimation

Out 2 Out 5 Out 3 Out 4 Out 1 Pratte et al. 3DIC-IEEE 2010

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Setup examples

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Typical setup (MD-SiPM)

picosecond Laser

  • power
  • repetition rate
  • wavelength
  • pulse width (40 ps)

Advaced laser diode

  • systems. EIG1000 AF.

Head: PiL040F, 405 nm, SANYO laser diode DL- 5146-152

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Typical setup (MD-SiPM)

  • ptical interface
  • NDF
  • diffuser
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Typical setup (MD-SiPM)

MD-SiPM

  • bias voltage
  • temperature
  • DCR
  • ......
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Typical setup (MD-SiPM)

readout FPGA

  • CLK source
  • STOP/START
  • ML507 Xilinx, Virtex-5
  • human data [XCM-206Z]Xilinx Spartan-6 FGG676
  • custom Microsemi AGL1000V2−CS281 board
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Typical setup (MD-SiPM)

acquisition computer

  • KDE
  • measurement error
  • calibration procedures
  • custom USB-2.0 interface
  • ethernet 1Gbps
  • matlab/Linux
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Typical setup (MD-SiPM)

picosecond laser head NDF diffuser fan MD-SiPM + readout PC interface synchronization signal

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SPTR measurement MD-SiPM

  • excess bias voltage
  • timing line settings
  • S. Mandai, PhD. Thesis, TU-Delft ,2014
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Sherbrooke’s SPTR setup

Jean-Francois.Pratte@USherbrooke.ca

Mai Tai OPO att. PIN Beam DUT Scope high power low power photon starved

  • ptical table

two 2x6' tables

  • ne 2x8' table
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Sherbrooke’s SPTR setup

Jean-Francois.Pratte@USherbrooke.ca

Mai Tai OPO att. PIN Beam DUT Scope high power low power photon starved SP- Mai Tai Ultrafast Ti-Sapphire Laser pulse width : < 100 fs repetition rate : 80 MHz wavelength : 690 - 1040 nm average power : 3.0 W

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Sherbrooke’s SPTR setup

Jean-Francois.Pratte@USherbrooke.ca

Mai Tai OPO att. PIN Beam DUT Scope high power low power photon starved SP- Optical Parametric Oscillator pulse width : < 100 fs repetition rate : 80 MHz wavelength : 345 - 2500nm average power : 100 mW - 1.0 W

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Sherbrooke’s SPTR setup

Jean-Francois.Pratte@USherbrooke.ca

Mai Tai OPO att. PIN Beam DUT Scope high power low power photon starved variable attenuator high power optics glen polarizer 1/2 wave plate beam dump

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Sherbrooke’s SPTR setup

Jean-Francois.Pratte@USherbrooke.ca

Mai Tai OPO att. PIN Beam DUT Scope high power low power photon starved reference PIN diode Becker & Hickl PHD-400 200 ps rise time

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Sherbrooke’s SPTR setup

Jean-Francois.Pratte@USherbrooke.ca

Mai Tai OPO att. PIN Beam DUT Scope high power low power photon starved free space beam propagation high-end Newport mirrors for ultrafast laser

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Sherbrooke’s SPTR setup

Jean-Francois.Pratte@USherbrooke.ca

Mai Tai OPO att. PIN Beam DUT Scope high power low power photon starved beam conditioning setup iris, shutter, filter, beam splitter, focusing optics

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Sherbrooke’s SPTR setup

Jean-Francois.Pratte@USherbrooke.ca

Mai Tai OPO att. PIN Beam DUT Scope high power low power photon starved sample fixture

  • automated XYZ-axis stage
  • manual tilt, yaw and rotation axis
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Sherbrooke’s SPTR setup

Jean-Francois.Pratte@USherbrooke.ca

Mai Tai OPO att. PIN Beam DUT Scope high power low power photon starved

  • utput signals

SMA cable (ref diode and DUT)

  • scilloscope
  • LeCroy SDA 6000A 20 GS/s, 6 GHz
  • Keysight MSOX91304A 80 GS/s, 13 GHz
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Beam conditioning setup

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  • laser input for SPTR measurements
  • neutral density filters (photon starved)
  • beam focusing (down to ~2um spot size)
  • XYZ motorized stage (array sweep, ~1um step)

Jean-Francois.Pratte@USherbrooke.ca

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Sherbrooke’s SPTR setup

Jean-Francois.Pratte@USherbrooke.ca

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Typical SPTR acquisition

Jean-Francois.Pratte@USherbrooke.ca

Setup jitter

  • PIN ref diode pulse to pulse

jitter

  • include electronic jitter (SMA,

scope)

  • include Mai T

ai / OPO pulse to pulse jitter (negligible)

  • Value : 3-4 ps FWHM

A SPAD SPTR acquisition

  • time delay between the SPAD output

(pink) and the ref. signal (blue)

  • histogram building (100k events)
  • FWHM extract

𝜏mesured

2

= 𝜏setup

2

+ 𝜏detector

2

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SPAD + front-end SPTR

  • TSMC 65 nm
  • SPAD implemented for

test purpose (and fun)

  • 20 µm diameter

Jean-Francois.Pratte@USherbrooke.ca

SPAD Front-end

SPTR: 8.9 ps FWHM

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DPC SPTR (measurement setup)

  • S. Brunner et al., JINST 2016
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DPC SPTR (results)

  • S. Brunner et al., JINST 2016
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DPC SPTR (results)

Temperature ºC

  • S. Brunner et al., JINST 2016
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DPC SPTR (results)

Active area

  • S. Brunner et al., JINST 2016
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DPC SPTR (results)

Masking level

  • S. Brunner et al., JINST 2016
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Parameters and standardization

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Timing propagation (architecture)

TDC: single-shot resolution range LSB INL/DNL timing line: detection circuit threshold bias voltage

quenching circuit

detection circuit masking memory bias voltages

quenching circuit

detection circuit masking memory bias voltages

quenching circuit

detection circuit masking memory bias voltages event discriminator

  • peration

mode

readout

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Timing propagation (architecture)

TDC: single-shot resolution range LSB INL/DNL timing line: detection circuit threshold bias voltage

quenching circuit

detection circuit masking memory bias voltages

quenching circuit

detection circuit masking memory bias voltages

quenching circuit

detection circuit masking memory bias voltages event discriminator

  • peration

mode

readout

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Timing propagation (architecture)

TDC: single-shot resolution range LSB INL/DNL timing line: detection circuit threshold bias voltage

quenching circuit

detection circuit masking memory bias voltages

quenching circuit

detection circuit masking memory bias voltages

quenching circuit

detection circuit masking memory bias voltages event discriminator

  • peration

mode

readout

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Timing propagation (architecture)

TDC: single-shot resolution range LSB INL/DNL timing line: detection circuit threshold bias voltage

quenching circuit

detection circuit masking memory bias voltages

quenching circuit

detection circuit masking memory bias voltages

quenching circuit

detection circuit masking memory bias voltages event discriminator

  • peration

mode

readout

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Common architectural components

  • Time-to-digital converters (LSB, INL, DNL, SSR)

– several TDCs: best, worst, and median

  • Operation mode

– event discriminator, triggering system, reset system, measurement range

  • SPAD-cell operation

– masking [%], excess bias, quenching, TH, activated area

  • Timing line settings and characterization

– inverter, comparator TH, preamplifier

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Timing measurement (setup)

  • ptics:

attenuator diffuser

  • ptical parametric oscillator

mirrors splitters laser: pulse width Power wavelength repetition rate Digital SiPM

  • ptical reference

readout FPGA

  • scilloscope
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Timing measurement (setup)

  • ptics:

attenuator diffuser

  • ptical parametric oscillator

mirrors splitters laser: pulse width power wavelength repetition rate Digital SiPM electrical reference readout FPGA

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Common setup components

  • Optical components

– light attenuator (SPAD rate, single-photon level) – light diffuser (uniformity). SPAD camera measurement – etc

  • Laser system

– pulse width, wavelength, CLK jitter, repetition rate

  • D-SiPM controller and synchronization system with

respect to the laser pulse

– optical/electrical

  • Measurement conditions: temperature, power,

heatsinks, etc

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Conclusions

  • Digital SiPM standardization relies on two main

aspects: the D-SiPM architecture and the measurement setup

  • In a standardization procedure, the common

architectural parameters are established and specific features related to timing are also reported.

  • The measurement setup can be divided into two

types: high timing resolution (<100 ps) and standard timing resolution (>100 ps)

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Acknowledgments

  • Swiss National Science Foundation
  • STW
  • 3IT
  • RAMS
  • NSERC CRSNG
  • CMC MIcrosystems
  • RESMIQ
  • CANADA FIRST
  • Fonds de recherche nature et technologie

Québec

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References

  • S. Mandai and E. Charbon, "Multi-channel digital SiPMs: Concept, analysis and implementation," 2012 IEEE Nuclear

Science Symposium and Medical Imaging Conference Record (NSS/MIC), Anaheim, CA, 2012, pp. 1840-1844. doi: 10.1109/NSSMIC.2012.6551429

  • L. H. C. Braga et al., "An 8×16-pixel 92kSPAD time-resolved sensor with on-pixel 64ps 12b TDC and 100MS/s real-time

energy histogramming in 0.13µm CIS technology for PET/MRI applications," 2013 IEEE International Solid-State Circuits Conference Digest of Technical Papers, San Francisco, CA, 2013, pp. 486-487. doi: 10.1109/ISSCC.2013.6487826

  • T. Frach, G. Prescher, C. Degenhardt, R. de Gruyter, A. Schmitz and R. Ballizany, "The digital silicon photomultiplier —

Principle of operation and intrinsic detector performance," 2009 IEEE Nuclear Science Symposium Conference Record (NSS/MIC), Orlando, FL, 2009, pp. 1959-1965. doi: 10.1109/NSSMIC.2009.5402143

  • Bérubé, Benoit-Louis, et al. Development of a single photon avalanche diode (SPAD) array in high voltage CMOS 0.8 µm

dedicated to a 3D integrated circuit (3DIC). In: Nuclear Science Symposium and Medical Imaging Conference (NSS/MIC), 2012 IEEE. IEEE, 2012. p. 1835-1839.

  • BRUNNER, S. E., et al. A comprehensive characterization of the time resolution of the Philips Digital Photon Counter.

Journal of Instrumentation, 2016, 11.11: P11004.

  • A. Carimatto et al., "11.4 A 67,392-SPAD PVTB-compensated multi-channel digital SiPM with 432 column-parallel 48ps

17b TDCs for endoscopic time-of-flight PET," 2015 IEEE International Solid-State Circuits Conference - (ISSCC) Digest of Technical Papers, San Francisco, CA, 2015, pp. 1-3. doi: 10.1109/ISSCC.2015.7062996

  • FISHBURN, Matthew W.; CHARBON, Edoardo. System tradeoffs in gamma-ray detection utilizing SPAD arrays and
  • scintillators. IEEE Transactions on Nuclear Science, 2010, 57.5: 2549-2557.
  • SEIFERT, Stefan; VAN DAM, Herman T.; SCHAART, Dennis R. The lower bound on the timing resolution of scintillation
  • detectors. Physics in Medicine & Biology, 2012, 57.7: 1797.
  • VENIALGO, Esteban, et al. Time estimation with multichannel digital silicon photomultipliers. Physics in Medicine &

Biology, 2015, 60.6: 2435.