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Researcher
Umar Khan
Profile
Projects
Publications
Activities
Awards & Distinctions
69
Results
2024
Building general-purpose programmable photonic chips: opportunities and challenges
Wim Bogaerts
Hong Deng
Xiangfeng Chen
Lukas Van Iseghem
Iman Zand
Yu Zhang
Yichen Liu
Aladdin Al Haffar
Pierre Edinger
Gaehun Jo
et al.
C3
Conference
2024
General-Purpose Programmable Photonic Circuits
Wim Bogaerts
Yu Zhang
Xiangfeng Chen
Hong Deng
Lukas Van Iseghem
Yichen Liu
Adam Barzanji
Iman Zand
Antônio Ribeiro Alves Júnior
Umar Khan
et al.
U
Conference
2024
2023
A MEMS tunable phase monitor with integrated photodiode read-out for silicon photonic circuits
Pierre Edinger
Alain Yuji Takabayashi
Cleitus Antony
Peter Verheyen
Umar Khan
Wim Bogaerts
Niels Quack
Kristinn B. Gylfason
C1
Conference
2023
Capturing the effects of spatial process variations in silicon photonic circuits
Yufei Xing
Jiaxing Dong
Umar Khan
Wim Bogaerts
A1
Journal Article
in
ACS PHOTONICS
2023
Integrated silicon photonic MEMS
Niels Quack
Alain Yuji Takabayashi
Hamed Sattari
Pierre Edinger
Gaehun Jo
Simon J. Bleiker
Carlos Errando-Herranz
Kristinn B. Gylfason
Frank Niklaus
Umar Khan
et al.
A1
Journal Article
in
MICROSYSTEMS & NANOENGINEERING
2023
Low-power actuators for programmable photonic processors
Umar Khan
Iman Zand
Lukas Van Iseghem
Pierre Edinger
Gaehun Jo
Simon J. Bleiker
Alain Y. Takabayashi
Cleitus Antony
Moises Jezzini
Giuseppe Talli
et al.
C1
Conference
2023
Reverse synthesis for the configuration of coupled ring resonators
Xiangfeng Chen
Umar Khan
Wim Bogaerts
C1
Conference
2023
Scaling programmable silicon photonics circuits
Wim Bogaerts
Nagarjun Katta Pradeep Kumar
Lukas Van Iseghem
Xiangfeng Chen
Hong Deng
Iman Zand
Yu Zhang
Yichen Liu
Alain Yuji Takabayashi
Hamed Sattari
et al.
C1
Conference
2023
Vacuum-sealed silicon photonic MEMS tunable ring resonator with an independent control over coupling and phase
Pierre Edinger
Gaehun Jo
Chris Phong Van Nguyen
Alain Yuji Takabayashi
Carlos Errando-Herranz
Cleitus Antony
Giuseppe Talli
Peter Verheyen
Umar Khan
Simon J. Bleiker
et al.
A1
Journal Article
in
OPTICS EXPRESS
2023
2022
A bistable silicon photonic mems phase switch for nonvolatile photonic circuits
Pierre Edinger
Alain Yuji Takabayashi
Carlos Errando-Herranz
Umar Khan
Cleitus Antony
Giuseppe Talli
Peter Verheyen
Wim Bogaerts
Niels Quack
Kristinn B. Gylfason
P1
Conference
2022
Add-drop silicon ring resonator with low-power MEMS tuning of phase and coupling
Pierre Edinger
Chris Phong Van Nguyen
Alain Yuji Takabayashi
Cleitus Antony
Giuseppe Talli
Peter Verheyen
Umar Khan
Wim Bogaerts
Niels Quack
Kristinn B. Gylfason
C1
Conference
2022
Large scale programmable photonic circuits using silicon photonic MEMS
Umar Khan
Iman Zand
Pierre Edinger
Gaehun Jo
Simon J. Bleiker
Alain Yuji Takabayashi
Cleitus Antony
Junsu Lee
Arun Kumar Malik
Peter Verheyen
et al.
C1
Conference
2022
Low power optical phase shifter using liquid crystal actuation on a silicon photonics platform
Lukas Van Iseghem
Ewout Picavet
Alain Yuji Takabayashi
Pierre Edinger
Umar Khan
Peter Verheyen
Niels Quack
Kristinn B. Gylfason
Klaartje De Buysser
Jeroen Beeckman
et al.
A1
Journal Article
in
OPTICAL MATERIALS EXPRESS
2022
Low power phase shifter using liquid crystal on an integrated silicon photonics platform
Lukas Van Iseghem
Umar Khan
Ewout Picavet
Alain Yuji Takabayashi
Peter Verheyen
Niels Quack
Klaartje De Buysser
Jeroen Beeckman
Wim Bogaerts
C1
Conference
2022
Low voltage tuning of ring resonator on a silicon photonics platform with local liquid crystal deposition
Lukas Van Iseghem
Umar Khan
Ewout Picavet
A. Y. Takabayashi
Peter Verheyen
Niels Quack
Klaartje De Buysser
Jeroen Beeckman
Wim Bogaerts
C3
Conference
2022
Low-power micro-electro-mechanical ring resonators on IMEC's iSiPP50G platform
Pierre Edinger
Alain Yuji Takabayashi
Umar Khan
Cleitus Antony
Giuseppe Talli
Peter Verheyen
Wim Bogaerts
Niels Quack
Kristinn B. Gylfason
C3
Conference
2022
MORPHIC : MEMS enhanced silicon photonics for programmable photonics
Umar Khan
Iman Zand
Pierre Edinger
Gaehun Jo
Simon J. Bleiker
Alain Yuji Takabayashi
Cleitus Antony
Moises Jezzini
Giuseppe Talli
Hamed Sattari
et al.
P1
Conference
2022
Programmable photonic circuits powered by silicon photonic MEMS technology
Wim Bogaerts
Alain Yuji Takabayashi
Pierre Edinger
Gaehun Jo
Arun Kumar Mallik
Cleituis Antony
Iman Zand
Tigers Jonuzi
Xiangfeng Chen
Hamed Sattari
et al.
C1
Conference
2022
Programmable silicon photonic circuits
Wim Bogaerts
Xiangfeng Chen
Hong Deng
Lukas Van Iseghem
Mi Wang
Iman Zand
Yu Zhang
Yichen Liu
Nagarjun Katta Pradeep Kumar
Umar Khan
C1
Conference
2022
Programmable silicon photonic circuits powered by MEMS
Wim Bogaerts
Alain Yuji Takabayashi
Pierre Edinger
Gaehun Jo
Iman Zand
Peter Verheyen
Moises Jezzini
Hamed Sattari
Giuseppe Talli
Cleitus Antony
et al.
P1
Conference
2022
Programmable wavelength filter with double ring loaded MZI
Mi Wang
Xiangfeng Chen
Umar Khan
Wim Bogaerts
A1
Journal Article
in
SCIENTIFIC REPORTS
2022
Programmable wavelength filters in silicon photonics
Mi Wang
Wim Bogaerts
Umar Khan
Dissertation
2022
Silicon photonic MEMS for efficient scaling of programmable integrated optics
Niels Quack
Alain Takabayashi
Hamed Sattari
Pierre Edinger
Gaehun Jo
Simon J. Bleiker
Carlos Errando-Herranz
Kristinn B. Gylfason
Frank Niklaus
Umar Khan
et al.
C3
Conference
2022
Technologies for large-scale programmable photonic circuits
Wim Bogaerts
Lukas Van Iseghem
Xiangfeng Chen
Iman Zand
Hong Deng
Mi Wang
Nagarjun Katta Pradeep Kumar
Umar Khan
C3
Conference
2022
Wafer-level hermetically sealed silicon photonic MEMS
Gaehun Jo
Pierre Edinger
Simon J. Bleiker
Xiaojing Wang
Alain Yuji Takabayashi
Hamed Sattari
Niels Quack
Moises Jezzini
Jun Su Lee
Peter Verheyen
et al.
A1
Journal Article
in
PHOTONICS RESEARCH
2022
2021
Comparison between black box and gray box strategies for configuration of feedforward waveguide meshes
Yu Zhang
Hong Deng
Umar Khan
Wim Bogaerts
C1
Conference
2021
Configuration and optimization of a programmable coupled-ring loaded Mach-zehnder filter
Mi Wang
Xiangfeng Chen
Umar Khan
Wim Bogaerts
P1
Conference
2021
Forward stimulated brillouin scattering in free-standing waveguides on a silicon photonics platform
Khannan Rajendran
Awanish Pandey
Alain Yuji Takabayashi
Umar Khan
Wim Bogaerts
Niels Quack
Dries Van Thourhout
C1
Conference
2021
General-purpose programmable photonic chips
Wim Bogaerts
Mi Wang
Xiangfeng Chen
Hong Deng
Iman Zand
Lukas Van Iseghem
Nagarjun Katta Pradeep Kumar
Umar Khan
C1
Conference
2021
Low-power electro-optic actuators for large-scale programmable photonic circuits
Wim Bogaerts
Lukas Van Iseghem
Pierre Edinger
Hamed Sattari
Alain Yuji Takabayashi
Xiangfeng Chen
Hong Deng
Peter Verheyen
Antônio Ribeiro Alves Júnior
Umar Khan
et al.
P1
Conference
2021
Programmable photonic circuits
Wim Bogaerts
Lukas Van Iseghem
Mi Wang
Hong Deng
Xiangfeng Chen
Iman Zand
Nagarjun Katta Pradeep Kumar
Umar Khan
C3
Conference
2021
Programmable photonic circuits using silicon photonics MEMS
Wim Bogaerts
Alain Y. Takabayashi
Pierre Edinger
Iman Zand
Gaehun Jo
Hamed Sattari
Peter Verheyen
Moises A. Jezzini
Cleitus Antony
Giuseppe Talli
et al.
C1
Conference
2021
Programmable silicon photonic circuits
Wim Bogaerts
Lukas Van Iseghem
Xiangfeng Chen
Iman Zand
Hong Deng
Mi Wang
Yu Zhang
Yichen Liu
Nagarjun Katta Pradeep Kumar
Umar Khan
C3
Conference
2021
Programmable silicon photonics
Wim Bogaerts
Lukas Van Iseghem
Mi Wang
Hong Deng
Iman Zand
Xiangfeng Chen
Nagarjun Katta Pradeep Kumar
Umar Khan
C1
Conference
2021
Scalable nano-opto-electromechanical systems in silicon photonics
Niels Quack
Alain Yuji Takabayashi
Hamed Sattari
Pierre Edinger
Kristinn B. Gylfason
Geahun Jo
Frank Niklaus
Peter Verheyen
Moises Jezzini
Umar Khan
et al.
P1
Conference
2021
Silicon photonic microelectromechanical phase shifters for scalable programmable photonics
Pierre Edinger
Alain Yuji Takabayashi
Carlos Errando-Herranz
Umar Khan
Hamed Sattari
Peter Verheyen
Wim Bogaerts
Niels Quack
Kristinn B. Gylfason
A1
Journal Article
in
OPTICS LETTERS
2021
Thermo-mechanical noise measurement of sealed nanobeams on a silicon photonics-MEMS platform
Khannan Rajendran
Awanish Pandey
P. Edinger
G. Jo
Alain Yuji Takabayashi
Umar Khan
Peter Verheyen
Niels Quack
Frank Niklaus
Wim Bogaerts
et al.
P1
Conference
2021
Tutorial : programmable integrated photonics
Wim Bogaerts
Xiangfeng Chen
Iman Zand
Mi Wang
Hong Deng
Lukas Van Iseghem
Abdul Rahim
Umar Khan
P1
Conference
2021
2020
Building large-scale programmable photonic circuits using silicon photonic MEMS
Wim Bogaerts
Pierre Edinger
Alain Yuji Takabayashi
Iman Zand
Xiangfeng Chen
Xiaojing Wang
Hamed Sattari
Peter Verheyen
Moises A. Jezzini
Giuseppe Talli
et al.
C1
Conference
2020
Column-row addressing of thermo-optic phase shifters for controlling large silicon photonic circuits
Antônio Ribeiro Alves Júnior
Sibert Declercq
Umar Khan
Mi Wang
Lukas Van Iseghem
Wim Bogaerts
A1
Journal Article
in
IEEE JOURNAL OF SELECTED TOPICS IN QUANTUM ELECTRONICS
2020
Compact silicon photonics circuit to extract multiple parameters for process control monitoring
Yufei Xing
Mi Wang
Alfonso Ruocco
Joris Geessels
Umar Khan
Wim Bogaerts
A2
Journal Article
in
OSA CONTINUUM
2020
Correlation between pattern density and linewidth variation in silicon photonics waveguides
Yufei Xing
Jiaxing Dong
Umar Khan
Wim Bogaerts
A1
Journal Article
in
OPTICS EXPRESS
2020
Experimental phase-error extraction and modelling in silicon photonic arrayed waveguide gratings
Umar Khan
Martin Fiers
Yufei Xing
Wim Bogaerts
P1
Conference
2020
Liquid crystal phase shifter integrated in a silicon photonics platform
Lukas Van Iseghem
Umar Khan
Pierre Edinger
Carlos Errando-Herranz
Alain Yuji Takabayashi
Hamed Sattari
Kristinn B. Gylfason
Niels Quack
Jeroen Beeckman
Wim Bogaerts
C1
Conference
2020
MORPHIC : programmable photonic circuits enabled by silicon photonic MEMS
Wim Bogaerts
Hamed Sattari
Pierre Edinger
Alain Y. Takabayashi
Iman Zand
Xiaojing Wang
Antônio Ribeiro Alves Júnior
Moises A. Jezzini de Anda
Carlos Errando-Herranz
Giuseppe Talli
et al.
P1
Conference
2020
Programmable photonic circuits : a flexible way of manipulating light on chips
Wim Bogaerts
Abdul Rahim
Xiangfeng Chen
Lukas Van Iseghem
Hong Deng
Mi Wang
Iman Zand
Antônio Ribeiro Alves Júnior
Alejandro Diaz Tormo
Umar Khan
C1
Conference
2020
Programmable silicon photonic integrated circuits
Wim Bogaerts
Xiangfeng Chen
Mi Wang
Iman Zand
Hong Deng
Lukas Van Iseghem
Antônio Ribeiro Alves Júnior
Alejandro Diaz Tormo
Umar Khan
P1
Conference
2020
2019
Designing large-scale photonic integrated circuits (invited)
Umar Khan
Yufei Xing
Wim Bogaerts
C3
Conference
2019
Designing large-scale photonic integrated circuits (invited)
Umar Khan
Yufei Xing
Wim Bogaerts
C3
Conference
2019
Driving and control techniques for large scale programmable photonic circuits
Antônio Ribeiro Alves Júnior
Umar Khan
Lukas Van Iseghem
Mi Wang
Sarah Declercq
Wim Bogaerts
C3
Conference
2019
Extracting coupling coefficients of directional couplers
Umar Khan
Ying Xing
Antônio Ribeiro Alves Júnior
Wim Bogaerts
C1
Conference
2019
Extracting multiple parameters from a compact circuit for performance evaluation
Yufei Xing
Mi Wang
Alfonso Ruocco
Joris Geessels
Umar Khan
Wim Bogaerts
C1
Conference
2019
Generic platform for silicon photonics based on MEMS reconfigurable photonic integrated circuits
Umar Khan
Banafsheh Abasahl
Iman Zand
N. Quack
K. Gylfason
M. Jezzini
H.Y. Hwang
M.A.G. Porcel
C. Lerma Arce
S. Kumar
et al.
C3
Conference
2019
Layout-aware variability analysis, yield prediction, and optimization in photonic integrated circuits
Wim Bogaerts
Yufei Xing
Umar Khan
A1
Journal Article
in
IEEE JOURNAL OF SELECTED TOPICS IN QUANTUM ELECTRONICS
2019
Parameter extraction, variability analysis and yield prediction of the photonic integrated circuits
Umar Khan
Yufei Xing
Wim Bogaerts
C3
Conference
2019
Photonic integrated circuit design in a foundry+fabless ecosystem
Umar Khan
Yufei Xing
Yinghao Ye
Wim Bogaerts
A1
Journal Article
in
IEEE JOURNAL OF SELECTED TOPICS IN QUANTUM ELECTRONICS
2019
Predicting yield of photonic circuits with wafer-scale fabrication variability
Wim Bogaerts
Yufei Xing
Yinghao Ye
Umar Khan
Jiaxing Dong
Joris Geessels
Martin Fiers
Domenico Spina
Tom Dhaene
P1
Conference
2019
Technologies for large-scale programmable photonic circuits
Wim Bogaerts
Antônio Ribeiro Alves Júnior
Mi Wang
Lukas Van Iseghem
Hong Deng
Iman Zand
Xiangfeng Chen
Umar Khan
C3
Conference
2019
2018
Accurate extraction of fabricated geometry using optical measurement
Yufei Xing
Jiaxing Dong
Sarvagya Dwivedi
Umar Khan
Wim Bogaerts
A1
Journal Article
in
PHOTONICS RESEARCH
2018
Controlling parasitics in linear optical processors
Iman Zand
Banafsheh Abasahl
Umar Khan
Wim Bogaerts
C3
Conference
2018
Effect of fabrication imperfections on the performance of silicon-on-insulator arrayed waveguide gratings
Umar Khan
Yufei Xing
Wim Bogaerts
C1
Conference
2018
From parameter extraction, variability models to yield prediction
Yufei Xing
Jiaxing Dong
Umar Khan
Yinghao Ye
Domenico Spina
Tom Dhaene
Wim Bogaerts
C1
Conference
2018
Hierarchical model for spatial variations of integrated photonics
Yufei Xing
Jiaxing Dong
Umar Khan
Wim Bogaerts
P1
Conference
2018
Layout-aware yield prediction of photonic circuits
Wim Bogaerts
Umar Khan
Yufei Xing
P1
Conference
2018
Matrix addressing silicon photonics phase shifters using heaters with integrated diodes
Antônio Ribeiro Alves Júnior
Umar Khan
Wim Bogaerts
C1
Conference
2018
On-chip beam using lateral leakage
Lukas Van Iseghem
Umar Khan
Jeroen Beeckman
Wim Bogaerts
C3
Conference
2018
The morphic project : enabling large scale programmable photonic circuits using mems
Umar Khan
Wim Bogaerts
N. Quack
K.B. Gylfason
P. Verheyen
P. O'Brien
C.L. Arce
M. Garcia
C3
Conference
2018
2017
Behavior model for directional coupler
Yufei Xing
Umar Khan
Antônio Ribeiro Alves Júnior
Wim Bogaerts
C1
Conference
2017
Extracting fabricated geometry on die-level
Yufei Xing
Umar Khan
Yinghao Ye
Wim Bogaerts
C1
Conference
2017