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![Wide Bandwidth Deep Space Quantum Communication
PI: Ricky J. Morgan, Morgan Optics Corp.
We propose to asses the feasibility of quantum optical channels for wide
bandwidth deep space communications. Quantum communications promises
that several orders of magnitude increases in the equivalent classical data rate
can be achieved, with the same transmitted power and antenna gain, through
the implementation of communication complexity protocols.
The proposed communications channel transmits encoded information as
quantum bits [14]. The classical information is encoded by entangling the
quantum states of the transmitted electromagnetic field [16] (e.g. quantum
Stokes operators [17]). Communication complexity protocols [18] are
implemented to at least quadratically increase the number of effective logical bits
which are transmitted per physical qubit [19]. The proposed quantum bit
communications architecture can be scaled to interplanetary distances since
entangling the quantum states of the optical field allows high intensity
transmitters of entangled quantum states that can overcome the large free space
losses.
The proposed quantum communication architecture does not require shared
quantum entanglement between the transmitter and receiver nor does the
proposed approach require a parallel, classical communication channel in
addition to the quantum channel. Entangling the quantum states within a multilevel
quantum bit, rather than shared quantum entanglement between
transmitter and receiver, is more easily implemented with the technology
available in the next 2040
years and promises to be more robust, efficient and
easier to space qualify than alternative architectures.
We will investigate whether multilevel
quantum bits through optical field
entanglement are realizable for a deep space satellite transmitter and whether
interactions with the space environment will destroy the quantum entanglement.
The feasibility of implementing communication complexity protocols for deep
space communications will be assessed. While we will concentrate on the
critical deep space communications challenge, optical field entanglement is a
generically important problem which, if realized in practice, would find wide
applicability across numerous disciplines and might stimulate rapid progress in
quantum computing.](https://image.slidesharecdn.com/oft5rkjkroqiqy3p5ez4-signature-3e49a9720aafd161ec5213fc5cb0fac76e0a38578f2089fb876ad1cc6de4bad4-poli-140825181333-phpapp01/75/974-morgan-1-1-2048.jpg)
Uploaded byClifford Stone
974 morgan[1]
The document proposes assessing the feasibility of using quantum optical channels for wide bandwidth deep space communications. It suggests that quantum communications could increase equivalent classical data rates by several orders of magnitude using the same transmitted power and antenna gain through communication complexity protocols. The proposed system would transmit encoded information as quantum bits by entangling the quantum states of the transmitted electromagnetic field and implementing communication complexity protocols to quadratically increase effective logical bits per physical qubit. This architecture could scale to interplanetary distances by using entangled quantum states to overcome large free space losses.
![Wassersug richard[1]](https://cdn.slidesharecdn.com/ss_thumbnails/wassersugrichard1-140914105156-phpapp02-thumbnail.jpg?width=640&height=640&fit=bounds)
974 morgan[1]
- 1. Wide Bandwidth DeepSpace Quantum Communication PI: Ricky J. Morgan, Morgan Optics Corp. We propose to asses the feasibility of quantum optical channels for wide bandwidth deep space communications. Quantum communications promises that several orders of magnitude increases in the equivalent classical data rate can be achieved, with the same transmitted power and antenna gain, through the implementation of communication complexity protocols. The proposed communications channel transmits encoded information as quantum bits [14]. The classical information is encoded by entangling the quantum states of the transmitted electromagnetic field [16] (e.g. quantum Stokes operators [17]). Communication complexity protocols [18] are implemented to at least quadratically increase the number of effective logical bits which are transmitted per physical qubit [19]. The proposed quantum bit communications architecture can be scaled to interplanetary distances since entangling the quantum states of the optical field allows high intensity transmitters of entangled quantum states that can overcome the large free space losses. The proposed quantum communication architecture does not require shared quantum entanglement between the transmitter and receiver nor does the proposed approach require a parallel, classical communication channel in addition to the quantum channel. Entangling the quantum states within a multilevel quantum bit, rather than shared quantum entanglement between transmitter and receiver, is more easily implemented with the technology available in the next 2040 years and promises to be more robust, efficient and easier to space qualify than alternative architectures. We will investigate whether multilevel quantum bits through optical field entanglement are realizable for a deep space satellite transmitter and whether interactions with the space environment will destroy the quantum entanglement. The feasibility of implementing communication complexity protocols for deep space communications will be assessed. While we will concentrate on the critical deep space communications challenge, optical field entanglement is a generically important problem which, if realized in practice, would find wide applicability across numerous disciplines and might stimulate rapid progress in quantum computing.