Dr. Muhammad Umar Khan Profile

Dr. Muhammad Umar Khan

R&D Project leader at IMEC VZW

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Author

Publications (11)

Proceedings Article | 9 March 2024 Presentation

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 Alhaffar, Pierre Edinger, Gaehun Jo, Alain Yuji Takabayashi, Arun Kumar Mallik, Cleitus Antony, Jing Zhang, Emadreza Soltanian, Peter Verheyen, Jeroen Beeckman, Günther Roelkens, Niels Quack, Frank Niklaus, Kristinn Gylfason, Umar Khan

Proceedings Volume PC12890, PC128900T (2024) https://doi.org/10.1117/12.3009922

KEYWORDS: Power consumption, Photonic integrated circuits, Packaging, Integrated optics, Electro optics, Analog electronics, Silicon photonics, Silicon, Signal processing, Photonic microstructures

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Proceedings Article | 15 March 2023 Presentation + Paper

Low-power actuators for programmable photonic processors

Umar Khan, Iman Zand, Lukas Van Iseghem, Pierre Edinger, Gaehun Jo, Simon Bleiker, Alain Yuji Takabayashi, Cleitus Antony, Moises Jezzini, Giuseppe Talli, Hamed Sattari, Jun Su Lee, Arun Kumar Mallik, Peter Verheyen, Cristina Lerma Arce, Marco Garcia, Tigers Jonuzi, Ewout Picavet, K. P. Nagarjun, Jan Watté, Niels Quack, Frank Niklaus, Kristinn Gylfason, Klaartje De Buysser, Jeroen Beeckman, Wim Bogaerts

Proceedings Volume 12438, 124380K (2023) https://doi.org/10.1117/12.2647371

KEYWORDS: Waveguides, Microelectromechanical systems, Phase shifts, Liquid crystals, Silicon photonics, Silicon, Photonic integrated circuits, Electrodes, Oxides, Back end of line

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Proceedings Article | 13 March 2023 Presentation + Paper

Scaling programmable silicon photonics circuits

Wim Bogaerts, K. Nagarjun, Lukas Van Iseghem, Xiangfeng Chen, Hong Deng, Iman Zand, Yu Zhang, Yichen Liu, Alain Yuji Takabayashi, Hamed Sattari, Niels Quack, Pierre Edinger, Gaehun Jo, Simon Bleiker, Kristinn Gylfason, Frank Niklaus, Arun Kumar Mallik, Moises Jezzini, Cleitus Antony, Giuseppe Talli, Peter Verheyen, Jeroen Beeckman, Umar Khan

Proceedings Volume 12426, 1242601 (2023) https://doi.org/10.1117/12.2647293

KEYWORDS: Waveguides, Photonic integrated circuits, Phase shifts, Silicon photonics, Actuators, Microelectromechanical systems, Electro optics, Tunable filters, Integrated optics, Design and modelling

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Proceedings Article | 26 May 2022 Presentation + Paper

MORPHIC: MEMS enhanced silicon photonics for programmable photonics

Umar Khan, Iman Zand, Pierre Edinger, Gaehun Jo, Simon Bleiker, Alain Yuji Takabayashi, Cleitus Antony, Moises Jezzini, Giuseppe Talli, Hamed Sattari, Jun Su Lee, Arun Kumar Mallik, Peter Verheyen, Saurav Kumar, Cristina Lerma Arce, Marco Garcia, Tigers Jonuzi, Jan Watte, Niels Quack, Frank Niklaus, Kristinn Gylfason, Wim Bogaerts

Proceedings Volume 12148, 121480H (2022) https://doi.org/10.1117/12.2631231

KEYWORDS: Microelectromechanical systems, Silicon photonics, Photonics, Phase shifts, Waveguides, Silicon, Photonic integrated circuits, Scanning electron microscopy, Electronics, Semiconducting wafers

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Proceedings Article | 5 March 2022 Presentation + Paper

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, Mehrdad Saei, Cristina Lerma Arce, Jun Su Lee, Arun Kumar Mallik, Saurav Kumar, Marco Garcia, Tigers Jonuzi, Kristinn Gylfason, Niels Quack, Frank Niklaus, Umar Khan

Proceedings Volume 12005, 1200509 (2022) https://doi.org/10.1117/12.2614213

KEYWORDS: Waveguides, Microelectromechanical systems, Silicon photonics, Silicon, Photonics, Phase shifts, Electronics, Photonic integrated circuits, Packaging, Actuators

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Proceedings Article | 6 October 2021 Presentation

Programmable photonic circuits

Wim Bogaerts, Lukas Van Iseghem, Mi Wang, Hong Deng, Xiangfeng Chen, Iman Zand, K.P. Nagarjun, Muhammad Umar Khan

Proceedings Volume 11880, 1188009 (2021) https://doi.org/10.1117/12.2600687

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Proceedings Article | 26 February 2020 Presentation + Paper

MORPHIC: programmable photonic circuits enabled by silicon photonic MEMS

Wim Bogaerts, Hamed Sattari, Pierre Edinger, Alain Yuji Takabayashi, Iman Zand, Xiaojing Wang, Antonio Ribeiro, Moises Jezzini, Carlos Errando-Herranz, Giuseppe Talli, Kumar Saurav, Marco Garcia Porcel, Peter Verheyen, Banafsheh Abasahl, Frank Niklaus, Niels Quack, Kristinn Gylfason, Peter O'Brien, Umar Khan

Proceedings Volume 11285, 1128503 (2020) https://doi.org/10.1117/12.2540934

KEYWORDS: Microelectromechanical systems, Waveguides, Photonic integrated circuits, Silicon photonics, Electronics, Actuators, Packaging

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Proceedings Article | 26 February 2020 Presentation + Paper

Experimental phase-error extraction and modelling in silicon photonic arrayed waveguide gratings

Umar Khan, Martin Fiers, Yufei Xing, Wim Bogaerts

Proceedings Volume 11285, 1128510 (2020) https://doi.org/10.1117/12.2544645

KEYWORDS: Waveguides, Silicon photonics, Photonics, Wave propagation, Silicon, Wavelength division multiplexing

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Proceedings Article | 3 April 2015 Paper

Design, fabrication and characterisation of nano-imprinted single mode waveguide structures for intra-chip optical communications

John Justice, Umar Khan, Tia Korhonen, Arjen Boersma, Sjoukje Wiegersma, Mikko Karppinen, Brian Corbett

Proceedings Volume 9368, 93680Y (2015) https://doi.org/10.1117/12.2078974

KEYWORDS: Waveguides, Single mode fibers, Waveguide modes, Directional couplers, Cladding, Polymers, Nanoimprint lithography, Refractive index, Polymer multimode waveguides, Optical communications

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Proceedings Article | 3 April 2015 Paper

Optical coupling structure made by imprinting between single-mode polymer waveguide and embedded VCSEL

Mikko Karppinen, Noora Salminen, Tia Korhonen, Teemu Alajoki, Jarno Petäjä, Erwin Bosman, Geert Van Steenberge, John Justice, Umar Khan, Brian Corbett, Arjen Boersma

Proceedings Volume 9368, 93680H (2015) https://doi.org/10.1117/12.2082935

KEYWORDS: Waveguides, Mirrors, Vertical cavity surface emitting lasers, Polymers, Polymer multimode waveguides, Optical alignment, Single mode fibers, Integrated optics, Optical fibers, Semiconducting wafers

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Proceedings Article | 2 May 2014 Paper

Development of photonic crystal structures for on-board optical communication

Muhammad Khan, John Justice, Arjen Boersma, Maurice Mourad, Renz van Ee, Alfons van Blaaderen, Judith Wijnhoven, Brian Corbett

Proceedings Volume 9127, 912705 (2014) https://doi.org/10.1117/12.2052214

KEYWORDS: Photonic crystals, Optical spheres, Waveguides, Silica, Crystals, Polymers, Polymer multimode waveguides, Refractive index, Particles, Reflection

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Showing 5 of 11 publications

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