Jesse Mak
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View article: Absorber-Free Mode-Locking of a Hybrid Integrated Diode Laser at Sub-GHz Repetition Rate
Absorber-Free Mode-Locking of a Hybrid Integrated Diode Laser at Sub-GHz Repetition Rate Open
We demonstrate absorber-free passive and hybrid mode-locking at sub-GHz repetition rates, using a hybrid integrated extended cavity diode laser operating near 1550 nm. The laser is based on InP as a gain medium and a Si3N4 waveguide feedba…
View article: Absorber-Free Mode-Locking of a Hybrid Integrated Diode Laser at Sub-GHz Repetition Rate
Absorber-Free Mode-Locking of a Hybrid Integrated Diode Laser at Sub-GHz Repetition Rate Open
We demonstrate absorber-free passive and hybrid mode-locking at sub-GHz repetition rates, using a hybrid integrated extended cavity diode laser operating near 1550 nm. The laser is based on InP as a gain medium and a Si3N4 waveguide feedba…
View article: Using hybrid integrated InP-Si3N4 diode lasers for the generation of sub-GHz repetition rate frequency combs
Using hybrid integrated InP-Si3N4 diode lasers for the generation of sub-GHz repetition rate frequency combs Open
Optical frequency combs based on broadband-gain bulk lasers, due to the low intrinsic linewidth and sub-GHz repetition rates, have gained tremendous interest for applications such as high-resolution spectroscopy, dual-comb spectroscopy or …
View article: Extending hybrid integrated diode lasers to multi-frequency oscillation
Extending hybrid integrated diode lasers to multi-frequency oscillation Open
Diode lasers with low-loss dielectric feedback circuits based on hybrid integration are attractive because they are compact, can be efficiently driven via an electric current, and can be seamlessly integrated with advanced waveguide circui…
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: Linewidth narrowing via low-loss dielectric waveguide feedback circuits in hybrid integrated frequency comb lasers
Linewidth narrowing via low-loss dielectric waveguide feedback circuits in hybrid integrated frequency comb lasers Open
We present an integrated hybrid semiconductor-dielectric (InP-Si3N4) waveguide laser that generates frequency combs at a wavelength around 1.5 μm with a record-low intrinsic optical linewidth of 34 kHz. This is achieved by extending the ca…
View article: Integrated frequency comb laser with narrow intrinsic optical linewidth based on a dielectric waveguide feedback circuit
Integrated frequency comb laser with narrow intrinsic optical linewidth based on a dielectric waveguide feedback circuit Open
We present an integrated hybrid semiconductor-dielectric (InP-Si$_3$N$_4$) waveguide laser that generates frequency combs at a wavelength around 1.5 $μ$m with a record-low intrinsic optical linewidth of 34 kHz. This is achieved by extendin…
View article: Narrow Intrinsic Linewidth Frequency Combs from a Chip-Based Hybrid Integrated InP-Si3N4 Diode Laser
Narrow Intrinsic Linewidth Frequency Combs from a Chip-Based Hybrid Integrated InP-Si3N4 Diode Laser Open
We present a hybrid integrated InP-Si3N4 laser that generates frequency combs with a record-low intrinsic linewidth of 34 kHz.
View article: Photo-induced second-order nonlinearity in stoichiometric silicon nitride waveguides
Photo-induced second-order nonlinearity in stoichiometric silicon nitride waveguides Open
We report the observation of second-harmonic generation in stoichiometric silicon nitride waveguides grown via low-pressure chemical vapour deposition. Quasi-rectangular waveguides with a large cross section were used, with a height of 1 {…
View article: Spectral linewidth analysis of semiconductor hybrid lasers with feedback from an external waveguide resonator circuit
Spectral linewidth analysis of semiconductor hybrid lasers with feedback from an external waveguide resonator circuit Open
We present a detailed analysis of a semiconductor hybrid laser exploiting spectral control from an external photonic waveguide circuit that provides frequency-selective feedback. Based on a spatially resolved transmission line model (TLM),…