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View article: Hybrid electro-optic modulator combining silicon photonic slot waveguides with high-k radio-frequency slotlines
Hybrid electro-optic modulator combining silicon photonic slot waveguides with high-k radio-frequency slotlines Open
Electro-optic (EO) modulators rely on the interaction of optical and electrical signals with second-order nonlinear media. For the optical signal, this interaction can be strongly enhanced using dielectric slot–waveguide structures that ex…
View article: Supplementary document for Hybrid Electro-Optic Modulator Combining Silicon Photonic Slot Waveguides with High-k Radio-Frequency Slotlines - 5053736.pdf
Supplementary document for Hybrid Electro-Optic Modulator Combining Silicon Photonic Slot Waveguides with High-k Radio-Frequency Slotlines - 5053736.pdf Open
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View article: Hybrid Electro-Optic Modulator Combining Silicon Photonic Slot\n Waveguides with High-k Radio-Frequency Slotlines
Hybrid Electro-Optic Modulator Combining Silicon Photonic Slot\n Waveguides with High-k Radio-Frequency Slotlines Open
Electro-optic (EO) modulators rely on interaction of optical and electrical\nsignals with second-order nonlinear media. For the optical signal, this\ninteraction can be strongly enhanced by using dielectric slot-waveguide\nstructures that …
View article: Silicon-organic hybrid (SOH) Mach-Zehnder modulators for 100 GBd PAM4 signaling with sub-1 dB phase-shifter loss
Silicon-organic hybrid (SOH) Mach-Zehnder modulators for 100 GBd PAM4 signaling with sub-1 dB phase-shifter loss Open
We report on compact and efficient silicon-organic hybrid (SOH) Mach-Zehnder modulators (MZM) with low phase-shifter insertion loss of 0.7 dB. The 280 µm-long phase shifters feature a -voltage-length product of 0.41 Vmm and a loss-effic…
View article: Verified equivalent-circuit model for slot-waveguide modulators
Verified equivalent-circuit model for slot-waveguide modulators Open
We formulate and experimentally validate an equivalent-circuit model based on distributed elements to describe the electric and electro-optic (EO) properties of travelling-wave silicon-organic hybrid (SOH) slot-waveguide modulators. The mo…
View article: Photonic-integrated circuits with non-planar topologies realized by 3D-printed waveguide overpasses
Photonic-integrated circuits with non-planar topologies realized by 3D-printed waveguide overpasses Open
Complex photonic-integrated circuits (PIC) may have strongly non-planar topologies that require waveguide crossings (WGX) when realized in single-layer integration platforms. The number of WGX increases rapidly with the complexity of the c…
View article: Wireless Terahertz Communications
Wireless Terahertz Communications Open
Over the past years, interest in wireless THz communications with so-called T-waves has tremendously increased [1]-[4], because the large carrier frequencies in the range 0.2 THz to 0.9 THz support wide signal band-widths and consequently …
View article: Capacitively Coupled Silicon-Organic Hybrid Modulator for 200 Gbit/s PAM-4 Signaling
Capacitively Coupled Silicon-Organic Hybrid Modulator for 200 Gbit/s PAM-4 Signaling Open
We demonstrate capacitively coupled silicon-organic hybrid (SOH) modulator with a π-voltage-length product of 1.3 V mm and 3 dB EO bandwidth exceeding 65 GHz. The modulator is used for 200 Gbit/s (100 GBd) PAM-4 signaling.
View article: THz-to-Optical Conversion in Wireless Communications Using an\n Ultra-Broadband Plasmonic Modulator
THz-to-Optical Conversion in Wireless Communications Using an\n Ultra-Broadband Plasmonic Modulator Open
Future wireless communication networks have to handle data rates of tens or even hundreds of Gbit/s per link, requiring carrier frequencies in the unallocated terahertz (THz) spectrum. In this context, seamless integration of THz links int…
View article: Demonstration of long-term thermally stable silicon-organic hybrid modulators at 85 °C
Demonstration of long-term thermally stable silicon-organic hybrid modulators at 85 °C Open
We report on the first demonstration of long-term thermally stable silicon-organic hybrid (SOH) modulators in accordance with Telcordia standards for high-temperature storage. The devices rely on an organic electro-optic sidechain polymer …
View article: Wireless Transmission at 0.3 THz Using Direct THz-to-Optical Conversion at the Receiver
Wireless Transmission at 0.3 THz Using Direct THz-to-Optical Conversion at the Receiver Open
We report a THz wireless link at 0.2885 THz which is embedded in a photonic network. An ultra-broadBand plasmonic modulator directly converts the THz signal to the optical domain. We transmit QPSK data with line rates up to 50 Gbit/s.
View article: Ultra-high electro-optic activity demonstrated in a silicon-organic hybrid modulator
Ultra-high electro-optic activity demonstrated in a silicon-organic hybrid modulator Open
Efficient electro-optic (EO) modulators crucially rely on advanced materials\nthat exhibit strong electro-optic activity and that can be integrated into\nhigh-speed and efficient phase shifter structures. In this paper, we\ndemonstrate ult…
View article: Coherent modulation up to 100 GBd 16QAM using silicon-organic hybrid (SOH) devices
Coherent modulation up to 100 GBd 16QAM using silicon-organic hybrid (SOH) devices Open
We demonstrate the generation of higher-order modulation formats using silicon-based inphase/quadrature (IQ) modulators at symbol rates of up to 100 GBd. Our devices exploit the advantages of silicon-organic hybrid (SOH) integration, which…
View article: Terahertz-to-Optical Conversion Using a Plasmonic Modulator
Terahertz-to-Optical Conversion Using a Plasmonic Modulator Open
We show a THz plasmonic modulator with flat frequency response from 40 MHz to 0.325 THz and employ it to demonstrate THz-to-optical conversion of a 30 Gbit/s signal on a 0.294 THz carrier.
View article: Hybrid Photonic Integration and Plasmonic Devices: New Perspectives for High-Speed Communications and Ultra-Fast Signal Processing
Hybrid Photonic Integration and Plasmonic Devices: New Perspectives for High-Speed Communications and Ultra-Fast Signal Processing Open
Hybrid photonic integration allows to combine the complementary advantages of different material platforms while maintaining the processing and scalability advantages of monolithically integrated systems. Here we give an overview on our re…
View article: Electrically Packaged Silicon-Organic Hybrid Modulator for Communication and Microwave Photonic Applications
Electrically Packaged Silicon-Organic Hybrid Modulator for Communication and Microwave Photonic Applications Open
We demonstrate electrical packaging of a silicon-organic hybrid (SOH) modulator. Gold traces on an Al2O3 substrate define the electrical connections to an IQ-modulator having a π-voltage of 1.5 V. Signal generation up to 128 Gbit/s is demo…
View article: Electrically packaged silicon-organic hybrid (SOH) I/Q-modulator for 64 GBd operation
Electrically packaged silicon-organic hybrid (SOH) I/Q-modulator for 64 GBd operation Open
Silicon-organic hybrid (SOH) electro-optic (EO) modulators combine small footprint with low operating voltage and hence low power dissipation, thus lending themselves to on-chip integration of large-scale device arrays. Here we demonstrate…
View article: Demonstration of Long-Term Thermal Stability of a Silicon-Organic Hybrid (SOH) Modulator at 85°C
Demonstration of Long-Term Thermal Stability of a Silicon-Organic Hybrid (SOH) Modulator at 85°C Open
We demonstrate highly stable silicon-organic hybrid (SOH) modulators fulfilling Telcordia standards for high-temperature storage. We show error-free 40 Gbit/s signaling with drive voltages of 1.65 Vpp using a device stored at 85°C for 2700…
View article: Ultra-High In-Device Electro-Optic Coefficient of r33 = 390 pm/V Demonstrated in a Silicon-Organic Hybrid (SOH) Modulator
Ultra-High In-Device Electro-Optic Coefficient of r33 = 390 pm/V Demonstrated in a Silicon-Organic Hybrid (SOH) Modulator Open
Efficient electro-optic (EO) modulators crucially rely on advanced materials that exhibit strong electro-optic activity and that can be integrated into high-speed phase shifter structures. In this paper, we demonstrate record-high in-devic…
View article: Silicon-organic hybrid (SOH) modulators for intensity-modulation / direct-detection links with line rates of up to 120 Gbit/s
Silicon-organic hybrid (SOH) modulators for intensity-modulation / direct-detection links with line rates of up to 120 Gbit/s Open
High-speed interconnects in data-center and campus-area networks crucially rely on efficient and technically simple transmission techniques that use intensity modulation and direct detection (IM/DD) to bridge distances of up to a few kilom…
View article: Four-Channel 784 Gbit/s Transmitter Module Enabled by Photonic Wire Bonding and Silicon-Organic Hybrid Modulators
Four-Channel 784 Gbit/s Transmitter Module Enabled by Photonic Wire Bonding and Silicon-Organic Hybrid Modulators Open
We demonstrate a four-channel hybrid multi-chip module comprising InP lasers, silicon-organic hybrid (SOH) modulators, and single-mode fibers, all connected via photonic wire bonds. We transmit 56 GBd QPSK and 16QAM signals at a total data…
View article: Silicon–Organic and Plasmonic–Organic Hybrid Photonics
Silicon–Organic and Plasmonic–Organic Hybrid Photonics Open
Chip-scale integration of electronics and photonics is recognized as important to the future of information technology, as is the exploitation of the best properties of electronics, photonics, and plasmonics to achieve this objective. Howe…
View article: Nanophotonic modulators and photodetectors using silicon photonic and plasmonic device concepts
Nanophotonic modulators and photodetectors using silicon photonic and plasmonic device concepts Open
Nanophotonic modulators and photodetectors are key building blocks for high-speed optical interconnects in datacom and telecom networks. Besides power efficiency and high electro-optic bandwidth, ultra-compact footprint and scalable co-int…
View article: Record-High In-Device Electro-Optic Coefficient of 359 pm/V in a Silicon-Organic Hybrid (SOH) Modulator
Record-High In-Device Electro-Optic Coefficient of 359 pm/V in a Silicon-Organic Hybrid (SOH) Modulator Open
We demonstrate a record-high electro-optic coefficient of r33 = 359 pm/V in a silicon-organic hybrid (SOH) modulator using the electro-optic chromophore JRD1. The π-voltage-length product amounts to UπL = 320 Vμm, enabling error-free 25 Gb…
View article: 100 Gbit/s Serial Transmission Using a Silicon-Organic Hybrid (SOH) Modulator and a Duobinary Driver IC
100 Gbit/s Serial Transmission Using a Silicon-Organic Hybrid (SOH) Modulator and a Duobinary Driver IC Open
100 Gbit/s three-level (50 Gbit/s OOK) signals are generated using a silicon-organic hybrid modulator and a BiCMOS duobinary driver IC at a BER of 8.5×10−5(<10−2). We demonstrate dispersion-compensated transmission over 5 km.
View article: Silicon-Organic Hybrid (SOH) IQ Modulator for 100 GBd 16QAM Operation
Silicon-Organic Hybrid (SOH) IQ Modulator for 100 GBd 16QAM Operation Open
We generate record-high line rates of 400 Gbit/s (100 GBd 16QAM) using a silicon-based IQ modulator. With a BER=1.9×10−2 we transmit a net data rate of 333 Gbit/s, the highest value for a semiconductor-based modulator.
View article: Generation of 64 GBd 4ASK signals using a silicon-organic hybrid modulator at 80°C
Generation of 64 GBd 4ASK signals using a silicon-organic hybrid modulator at 80°C Open
We demonstrate a silicon-organic hybrid (SOH) Mach-Zehnder modulator (MZM) generating four-level amplitude shift keying (4ASK) signals at symbol rates of up to 64 GBd both at room temperature and at an elevated temperature of 80°C. The mea…