Multi-aperture digital coherent combining for free-space optical communication receivers
DJ Geisler, TM Yarnall, ML Stevens, CM Schieler… - Optics …, 2016 - opg.optica.org
Space-to-ground optical communication systems can benefit from reducing the size, weight,
and power profiles of space terminals. One way of reducing the required power-aperture …
and power profiles of space terminals. One way of reducing the required power-aperture …
One photon-per-bit receiver using near-noiseless phase-sensitive amplification
Abstract Space communication for deep-space missions, inter-satellite data transfer and
Earth monitoring requires high-speed data connectivity. The reach is fundamentally dictated …
Earth monitoring requires high-speed data connectivity. The reach is fundamentally dictated …
How Can Optical Communications Shape the Future of Deep Space Communications? A Survey
With a large number of deep space (DS) missions anticipated by the end of this decade,
reliable and high-capacity DS communications are needed more than ever. Nevertheless …
reliable and high-capacity DS communications are needed more than ever. Nevertheless …
Would scaling to extreme ultraviolet or soft X-ray communications resolve the capacity crunch?
PJ Winzer - Journal of Lightwave Technology, 2018 - ieeexplore.ieee.org
Optical networks are facing fundamental capacity scalability problems owing to Shannon
limits in silica fiber, frequently summarized as the “optical networks capacity crunch.” We …
limits in silica fiber, frequently summarized as the “optical networks capacity crunch.” We …
Demonstration of a variable data-rate free-space optical communication architecture using efficient coherent techniques
DJ Geisler, CM Schieler, TM Yarnall… - Optical …, 2016 - spiedigitallibrary.org
The next generation free-space optical (FSO) communications infrastructure will need to
support a wide range of links from space-based terminals in low Earth orbit …
support a wide range of links from space-based terminals in low Earth orbit …
Power efficient communications employing phase sensitive pre-amplified receiver
The receiver sensitivity is a very important metric in optical communication links operating at
low received signal powers. Phase sensitive optical amplifiers (PSAs) can amplify optical …
low received signal powers. Phase sensitive optical amplifiers (PSAs) can amplify optical …
Stacked modulation formats enabling highest-sensitivity optical free-space links
A new modulation scheme with a sensitivity of 2.3 photons per bit at a bit-error ratio (BER) of
10^− 3 is discussed theoretically and demonstrated experimentally. We achieve a limiting …
10^− 3 is discussed theoretically and demonstrated experimentally. We achieve a limiting …
Record photon information efficiency with optical clock transmission and recovery of 12.5 bits/photon over an optical channel with 77 dB loss
We experimentally demonstrate optical detection at 12.5~ bits per incident photon, 9.4~ dB
higher than the theoretical limit of conventional coherent detection. A single laser transmits …
higher than the theoretical limit of conventional coherent detection. A single laser transmits …
Digital coherent optical access networks
SJ Savory - 2013 IEEE Photonics Conference, 2013 - ieeexplore.ieee.org
Digital coherent optical access networks Page 1 1 Digital Coherent Optical Access
Networks Seb J. Savory, Senior Member, IEEE Abstract—Digital coherent transceivers are …
Networks Seb J. Savory, Senior Member, IEEE Abstract—Digital coherent transceivers are …
Error performance of preamplified optical PPM systems with finite extinction ratios
T Landolsi, AF Elrefaie - Optical Fiber Technology, 2014 - Elsevier
In this paper, we present an analytical study of the error performance in optically
preamplified, M-ary pulse position modulation, in free-space optical communication systems …
preamplified, M-ary pulse position modulation, in free-space optical communication systems …