Application of photonics in next generation telecommunication satellites payloads

Anzalchi, J.; Inigo, P.; Roy, Bernard

doi:10.1117/12.2304200

Cited by 11 publications

(6 citation statements)

References 6 publications

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“…Quantum entanglement based on synchronous oscillations does not involve any communication [37][38][39] or transportation 40,41 in a traditional way.…”

Section: Discussionmentioning

confidence: 99%

“…A quantum system with oscillations among allowed states can offer an enormous number of ways for storing information 1,2 in terms patterns of oscillations. Just as the field of telecommunication [37][38][39] has used oscillations for storing and conveying information, the field of quantum information can benefit from oscillatory quanta. 53 The proposed interpretations can have many practical implications for the field of quantum computing.…”

Section: Proposed Systemsmentioning

confidence: 99%

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Quantum computing with oscillatory quanta

Patel

2024

Quantum Computing, Communication, and Simulation IV

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The linear superposition principle and the quantum entanglement phenomenon play crucial roles in the fields of quantum computing and information. Their current interpretations are not satisfactory for the need of quantum computing and information. To reduce the measurement-bias of the current interpretation of the quantum linear superposition principle, this paper presents an alternative interpretation: A physical quantity of a quantum object keeps oscillating between the allowed values of the physical quantity. Thus, a quantum system is inherently deterministic, but it appears to be probabilistic because of randomness in timings of measurements. Then, to show that the so-called quantum entangled objects need not interact or communicate with each other, the paper presents an alternative interpretation of the quantum entanglement phenomenon: Quantum objects appear to be entangled if and when each physical quantity of these objects undergoes synchronous oscillations. An experimental method is presented to validate this interpretation. Quantum entanglement due to synchronous oscillations can lead to more and better ways of quantum computers. The paper introduces Excel and Python quos package approaches to simplify and expedite designing and simulating quantum computing circuits.

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“…Quantum entanglement based on synchronous oscillations does not involve any communication [37][38][39] or transportation 40,41 in a traditional way.…”

Section: Discussionmentioning

confidence: 99%

Section: Proposed Systemsmentioning

confidence: 99%

Quantum computing with oscillatory quanta

Patel

2024

Quantum Computing, Communication, and Simulation IV

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“…Two mission scenarios have been proposed to study the benefits of using photonics vs RF-only solution in the repeater implementation. One of the main conclusions from the previous studies, [4] [5] [6], is the reduction of size, weight and power (SWaP) provided by photonics solution.…”

Section: Mission Scenariomentioning

confidence: 99%

Design and development of PhLEXSAT – a flexible photo-digital communication payload for very high throughput satellites

Chatterjee,

Palla,

Fiamanya

et al. 2023

International Conference on Space Optics — ICSO 2022

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Cost of in-orbit capacity is an important element to take into account when ordering new satellites in order to remain competitive with terrestrial-based solutions. This can be achieved by minimizing the size, weight, and power consumption (SWaP), volume, reducing spacecraft AIT, etc. Properties of photonics components makes them a natural candidate while designing future generation Satcom payloads. Photonic components offer the advantage of minimizing the SWaP of satellite communication payload and are capable of offering a limitless bandwidth in THz range at around 1550 nm wavelength. Light weight and low volume photonic components offer almost lossless propagation in an optical fibre within a spacecraft and immunity to Electromagnetic Interference (EMI). With the advancement of photonic technology, it is now possible to develop Tbps-like software defined photonic payload of high data rates and frequencies with almost lossless propagation in an optical fibre. However, at present in the satcom industry only a few demonstrations of photonic devices in non-critical equipment with limited degree of integration can be found. This paper presents a space-based photo-digital communication payload called PhLEXSAT and shows how the advantages offered by photonics can be utilized in increasing the capacity of Very High Throughput Satellites (VHTS) while reducing the cost at the same time. PhLEXSAT is a Ka/Q/V/W band communication system that will use novel optical devices for space-based systems, these are currently under design and development stage. The architecture incorporates advanced broadband photonic ADC and photonic DAC with digital processing firmware with a high degree of miniaturization and power-consumption efficiency. This design will be suitable for future Terabit per second satellites. PhLEXSAT project is focusing on the advancement of these key photonic technologies to develop a photo-digital channelizer for flexible HTS. PhLEXSAT project, funded under the European Union H2020 programme, is led by DAS Photonics in cooperation with MDA UK, Eutelsat, Axenic, HHI Fraunhofer and Argotech.

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“…The photonic repeater in figure 1 includes conventional low-noise front-end receivers and high-power amplification chains. It distributes RF/microwave signals generated by local oscillators that are frequency converted, multiplexed and routed through the photonic switching matrix [29].…”

Section: Introductionmentioning

confidence: 99%

Design of a large bandwidth 2 × 2 interferometric switching cell based on a sub-wavelength grating

Brunetti

Marocco

Benedetto

et al. 2021

J. Opt.

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In the last few decades, increasing research effort has focused on the design of telecommunication payload systems with advanced features and lower costs in space applications. In this context, photonic solutions have already proven the potential to achieve additional functionalities, such as multiplexing or switching of RF or microwave signals, with consequent additional benefits in terms of size and mass reduction. In this paper, we report on the design of a 2 × 2 switching cell based on a thermo-optic interferometric configuration, whose key element is a sub-wavelength grating. We have theoretically demonstrated a broadband operation, with better performance in terms of operating wavelength range and compactness with respect to the existing interferometric cells. The switching cell shows a worst extinction ratio of about 13 dB, insertion loss of less than 2 dB, crosstalk of 12 dB, over a bandwidth of 150 nm, within a footprint as small as 240 µm × 9 µm. To demonstrate its potential use as a routing fabric in flexible telecommunication satellite payloads, as an example, the designed switching cell has been used as a building block of an 8 × 8 dilated Banyan matrix, where large bandwidth (150 nm), low crosstalk (−38 dB), small footprint (≈1620 µm × 576 µm) and relatively low power consumption (276 mW) have been achieved.

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Application of photonics in next generation telecommunication satellites payloads

Cited by 11 publications

References 6 publications

Quantum computing with oscillatory quanta

Quantum computing with oscillatory quanta

Design and development of PhLEXSAT – a flexible photo-digital communication payload for very high throughput satellites

Design of a large bandwidth 2 × 2 interferometric switching cell based on a sub-wavelength grating

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