Marcel Hoekman
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View article: Chip-integrated extended-cavity mode-locked laser in the visible
Chip-integrated extended-cavity mode-locked laser in the visible Open
Mode-locked lasers are of interest for applications such as biological imaging, non-linear frequency conversion, and single-photon generation. In the infrared, chip-integrated mode-locked lasers have been demonstrated through integration o…
View article: Integrated microwave photonic functionalities on a hybrid integrated InP-Si<sub>3</sub>N<sub>4</sub> PIC platform
Integrated microwave photonic functionalities on a hybrid integrated InP-Si<sub>3</sub>N<sub>4</sub> PIC platform Open
<p>This paper describes our hybrid integrated microwave photonic chip platform where ultra-low-loss Si3N4-based-TriPleX <sup>®</sup> and active InP integrated circuits are combined to enable broadband and high frequen…
View article: Widely tunable and narrow-linewidth hybrid-integrated diode laser at 637 nm
Widely tunable and narrow-linewidth hybrid-integrated diode laser at 637 nm Open
We present hybrid-integrated extended cavity diode lasers tunable around 637 nm, with a gain-wide spectral coverage of 8 nm. This tuning range addresses the zero-phonon line of nitrogen-vacancy centers and includes the wavelength of HeNe l…
View article: Widely-tunable and narrow-linewidth hybrid-integrated diode laser at 637 nm
Widely-tunable and narrow-linewidth hybrid-integrated diode laser at 637 nm Open
We present hybrid-integrated extended cavity diode lasers tunable around 637 nm, with a gain-wide spectral coverage of 8 nm. This tuning range allows addressing the zero-phonon line of nitrogen vacancy centers and includes the wavelength o…
View article: Observation of a Brillouin dynamic grating in silicon nitride waveguides
Observation of a Brillouin dynamic grating in silicon nitride waveguides Open
Brillouin enhanced four wave mixing in the form of a Brillouin dynamic grating (BDG) enables a uniquely tunable filter whose properties can be tuned by purely optical means. This makes the BDG a valuable tool in microwave photonics (MWP). …
View article: Observation of a Brillouin dynamic grating in silicon nitride waveguides
Observation of a Brillouin dynamic grating in silicon nitride waveguides Open
Brillouin enhanced four wave mixing in the form of a Brillouin dynamic grating (BDG) enables a uniquely tunable filter, whose properties can be tuned by purely optical means. This makes the BDG a valuable tool in microwave photonics (MWP).…
View article: Tunable Hybrid-Integrated Diode Laser at 637 nm
Tunable Hybrid-Integrated Diode Laser at 637 nm Open
Photonic quantum technologies, such as quantum-key distribution and photonic quantum processing, are currently undergoing a transition from research labs to industrial applications [1]. Upscaling of such systems calls for on-chip laser sou…
View article: Silicon nitride hybrid-integrated diode laser at 637 nm
Silicon nitride hybrid-integrated diode laser at 637 nm Open
We present a hybrid-integrated extended cavity diode laser tunable around 637 mn, with a total tuning range of 8 nm, allowing to address the zero-phonon line of nitrogen vacancy centers. The laser provides wide mode-hop free tuning over 43…
View article: Ultrahigh dynamic range and low noise figure programmable integrated microwave photonic filter
Ultrahigh dynamic range and low noise figure programmable integrated microwave photonic filter Open
Microwave photonics has adopted a number of important concepts and technologies over the recent pasts, including photonic integration, versatile programmability, and techniques for enhancing key radio frequency performance metrics such as …
View article: Guided-acoustic stimulated Brillouin scattering in silicon nitride photonic circuits
Guided-acoustic stimulated Brillouin scattering in silicon nitride photonic circuits Open
Coherent optomechanical interaction known as stimulated Brillouin scattering (SBS) can enable ultrahigh resolution signal processing and narrow-linewidth lasers. SBS has recently been studied extensively in integrated waveguides; however, …
View article: Ultrahigh Dynamic Range and Low Noise Figure Programmable Integrated Microwave Photonic Filter
Ultrahigh Dynamic Range and Low Noise Figure Programmable Integrated Microwave Photonic Filter Open
Microwave photonics (MWP) has adopted a number of important concepts and technologies over the recent pasts, including photonic integration, versatile programmability, and techniques for enhancing key radio frequency performance metrics su…
View article: Ultrahigh Dynamic Range and Low Noise Figure Programmable Integrated Microwave Photonic Filter
Ultrahigh Dynamic Range and Low Noise Figure Programmable Integrated Microwave Photonic Filter Open
Microwave photonics (MWP) has adopted a number of important concepts and technologies over the recent pasts, including photonic integration, versatile programmability, and techniques for enhancing key radio frequency performance metrics su…
View article: Guided-Acoustic Stimulated Brillouin Scattering in Silicon Nitride Photonic Circuits
Guided-Acoustic Stimulated Brillouin Scattering in Silicon Nitride Photonic Circuits Open
Coherent optomechanical interaction between acoustic and optical waves known as stimulated Brillouin scattering (SBS) can enable ultra-high resolution signal processing and narrow linewidth lasers important for next generation wireless com…
View article: Reconfigurable Double-Injection Ring Resonator for Integrated Microwave Photonic Signal Processing
Reconfigurable Double-Injection Ring Resonator for Integrated Microwave Photonic Signal Processing Open
Integrated microwave photonic (MWP) signal processor relies on the integration of multiple optical circuits, advanced functionalities, and high-performance for radio frequency (RF) applications. In this paper, we experimentally investigate…
View article: Integrated Microwave Photonic Spectral Shaping For Linearization and Spurious-Free Dynamic Range Enhancement
Integrated Microwave Photonic Spectral Shaping For Linearization and Spurious-Free Dynamic Range Enhancement Open
Integrated microwave photonics (MWP) is a fast growing area where high frequency microwave signals are processed in the optical domain, merging key advantages of both microwave photonics and photonic integrated circuits (PICs) technologies…
View article: Broadband optical frequency comb generation using hybrid integrated InP-Si<sub>3</sub>N<sub>4</sub> diode lasers
Broadband optical frequency comb generation using hybrid integrated InP-Si<sub>3</sub>N<sub>4</sub> diode lasers Open
Optical frequency combs based on diode lasers are becoming instrumental for numerous applications based on coherent light, such as sensing, metrology, or integrated microwave photonics. However, standard mode-locked diode lasers show limit…
View article: First demonstration of a hybrid integrated InP-Si3N4 diode laser for broadband optical frequency comb generation
First demonstration of a hybrid integrated InP-Si3N4 diode laser for broadband optical frequency comb generation Open
We demonstrate the first on-chip laser frequency comb based on hybrid integration with low-loss Si3N4 waveguide circuits. The laser comprises an InP diode amplifier of which a small fraction is reverse biased for passive locking, while a S…
View article: Narrow-linewidth hybrid-integrated semiconductor lasers by exploiting feedback from Si3N4 circuits
Narrow-linewidth hybrid-integrated semiconductor lasers by exploiting feedback from Si3N4 circuits Open
Hybrid integration of semiconductor optical amplifiers with frequency-selective feedback circuits, implemented using low-loss Si3N4 waveguides, enables robust chip-sized lasers with outstanding properties. Deploying ring resonators as a tu…
View article: Hybrid integrated InP-Si<sub>3</sub>N<sub>4</sub> diode laser with a 40-Hz intrinsic linewidth
Hybrid integrated InP-Si<sub>3</sub>N<sub>4</sub> diode laser with a 40-Hz intrinsic linewidth Open
We demonstrate a hybrid integrated and widely tunable diode laser with an intrinsic linewidth as narrow as 40 Hz, achieved with a single roundtrip through a low-loss feedback circuit that extends the cavity length to 0.5 meter on a chip. E…
View article: Hybrid Integrated Semiconductor Lasers with Silicon Nitride Feedback Circuits
Hybrid Integrated Semiconductor Lasers with Silicon Nitride Feedback Circuits Open
Hybrid integrated semiconductor laser sources offering extremely narrow spectral linewidth, as well as compatibility for embedding into integrated photonic circuits, are of high importance for a wide range of applications. We present an ov…
View article: Ultra-narrow linewidth hybrid integrated semiconductor laser
Ultra-narrow linewidth hybrid integrated semiconductor laser Open
We demonstrate a hybrid integrated and widely tunable diode laser with an intrinsic linewidth as narrow as 40 Hz, achieved with a single roundtrip through a low-loss feedback circuit that extends the cavity length to 0.5 meter on a chip. E…
View article: Liquid crystal phase modulator integration on the TriPleX photonic platform
Liquid crystal phase modulator integration on the TriPleX photonic platform Open
Technology integration of liquid crystal cells for electro-optic modulation has been implemented on the commercial TriPleX photonic platform. Design and fabrication procedure have been optimized for fulfilling the low insertion loss criter…
View article: High-Selectivity On-Chip Optical Bandpass Filter With Sub-100-MHz Flat-Top and Under-2 Shape Factor
High-Selectivity On-Chip Optical Bandpass Filter With Sub-100-MHz Flat-Top and Under-2 Shape Factor Open
We demonstrate a fully tunable microwave photonic bandpass filter fabricated with Si3N4/SiO2 waveguides on a chip. The filter is based on coupled resonator optical waveguide architecture comprising a chain of eight coupled ring resonators,…
View article: Development of a Broadband Integrated Microwave Photonic Beamformer for 5G applications
Development of a Broadband Integrated Microwave Photonic Beamformer for 5G applications Open
Microwave photonics (MWP) is an emerging field in which radio frequency (RF) signals are generated, distributed, processed, and analyzed using the advantages of photonic techniques such as large RF frequency bandwidth capability and absenc…
View article: Corrections to “Characterization of Hybrid InP-TriPleX Photonic Integrated Tunable Lasers Based on Silicon Nitride (Si<sub>3</sub>N<sub>4</sub>/SiO<sub>2</sub>) Microring Resonators for Optical Coherent System”
Corrections to “Characterization of Hybrid InP-TriPleX Photonic Integrated Tunable Lasers Based on Silicon Nitride (Si<sub>3</sub>N<sub>4</sub>/SiO<sub>2</sub>) Microring Resonators for Optical Coherent System” Open
Presents corrections to the paper, “Characterization of Hybrid InP-TriPleX photonic integrated tunable lasers based on silicon nitride (Si3N4/SiO2) microring resonators for optical coherent system,” (Lin, Y., et al), IEEE Photon. J., vol. …
View article: Characterization of Hybrid InP-TriPleX Photonic Integrated Tunable Lasers Based on Silicon Nitride (Si <sub>3</sub>N<sub>4</sub>/SiO<sub>2</sub>) Microring Resonators for Optical Coherent System
Characterization of Hybrid InP-TriPleX Photonic Integrated Tunable Lasers Based on Silicon Nitride (Si <sub>3</sub>N<sub>4</sub>/SiO<sub>2</sub>) Microring Resonators for Optical Coherent System Open
We demonstrate detailed characterization results of a hybrid InP-TriPleX photonic integrated tunable laser based on silicon nitride microring resonators. A tuning range of 50 nm across the C-band, side-mode suppression ratio (SMSR) >50 dB,…
View article: Low-Loss Si3N4 TriPleX Optical Waveguides: Technology and Applications Overview
Low-Loss Si3N4 TriPleX Optical Waveguides: Technology and Applications Overview Open
An overview of the most recent developments and improvements to the low-loss TriPleX Si3N4 waveguide technology is presented in this paper. The TriPleX platform provides a suite of waveguide geometries (box, double stripe, symmetric single…
View article: On-chip Mach-Zehnder interferometer for OCT systems
On-chip Mach-Zehnder interferometer for OCT systems Open
By using integrated optics, it is possible to reduce the size and cost of a bulky optical coherence tomography (OCT) system. One of the OCT components that can be implemented on-chip is the interferometer. In this work, we present the desi…
View article: Integrated microwave photonics for 5G
Integrated microwave photonics for 5G Open
This paper describes the design, fabrication, packaging, testing and\nautomated tuning of an integrated 1x4 optical beamforming network. It\nconsists of hybridly integrated InP and TriPleX chips, where end-facet coupling\nis used for optic…
View article: Programmable optical processor chips: toward photonic RF filters with DSP-level flexibility and MHz-band selectivity
Programmable optical processor chips: toward photonic RF filters with DSP-level flexibility and MHz-band selectivity Open
Integrated optical signal processors have been identified as a powerful engine for optical processing of microwave signals. They enable wideband and stable signal processing operations on miniaturized chips with ultimate control precision.…