Coherent optical communications using coherence-cloned Kerr soliton microcombs [PDF]
Nature Communications, 2022 Kerr frequency combs are a promising laser source for future optical networks. The authors demonstrate coherence-cloning between two remote Kerr combs and improve optical coherent communication in terms of performance, power consumption, and simplicity.
Yong Geng +8 more
doaj +6 more sources
Encryption in phase space for classical coherent optical communications [PDF]
Scientific Reports, 2023 Optical layer attacks on optical fiber communication networks are one of the weakest reinforced areas of the network, allowing attackers to overcome security software or firewalls when proper safeguards are not put into place.
Adrian Chan +5 more
doaj +2 more sources
Spin Laser Local Oscillators for Homodyne Detection in Coherent Optical Communications [PDF]
Micromachines, 2021 We numerically investigate spin-controlled vertical-cavity surface-emitting lasers (spin-VCSELs) for local oscillators, which are based on an injection locking technique used in coherent optical communications.
Nobuhide Yokota, Hiroshi Yasaka
doaj +2 more sources
Matched Filtering for MIMO Coherent Optical Communications with Mode-Dependent Loss Channels [PDF]
Sensors, 2022 The use of digital signal processors (DSP) to equalize coherent optical communication systems based on spatial division multiplexing (SDM) techniques is widespread in current optical receivers.
Luis M. Torres +2 more
doaj +2 more sources
An integrated processor for photonic quantum states using a broadband light–matter interface
New Journal of Physics, 2014 Faithful storage and coherent manipulation of quantum optical pulses are key for long distance quantum communications and quantum computing. Combining these functions in a light–matter interface that can be integrated on-chip with other photonic quantum ...
E Saglamyurek +5 more
doaj +2 more sources
Partially coherent Mathieu–Gauss beams [PDF]
Scientific ReportsWe present a theoretical study and experimental generation of Mathieu–Gauss beams in the partially coherent regime. By means of a rotating ground glass diffuser and a spatial light modulator, we demonstrate independent control over both the spatial ...
Atefeh Akbarpour +5 more
doaj +2 more sources
Monolithic lithium niobate photonic chip for efficient terahertz-optic modulation and terahertz generation [PDF]
Nature CommunicationsThe terahertz (THz) range, bridging microwave and infrared frequencies, enables advanced imaging, sensing, communications, and spectroscopy. Analogous to microwave photonics, terahertz photonics offers a promising optical solution to critical THz ...
Yiwen Zhang +8 more
doaj +2 more sources
Special Issue on Coherent Optical Communications
Photonics, 2023 Coherent optical communications have emerged as a groundbreaking technology, enabling data rates of 100 Gbit/s and beyond [...]
Fady I. El-Nahal
doaj +1 more source
DSP-Based Physical Layer Security for Coherent Optical Communication Systems
IEEE Photonics Journal, 2022 A novel digital signal processing (DSP)-based scheme for physical layer security in coherent optical communication systems is proposed and numerically investigated.
Jiaxiang He +3 more
doaj +1 more source
Linear optics and photodetection achieve near-optimal unambiguous coherent state discrimination [PDF]
Quantum, 2023 Coherent states of the quantum electromagnetic field, the quantum description of ideal laser light, are prime candidates as information carriers for optical communications.
Jasminder S. Sidhu +3 more
doaj +1 more source