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Search Publications by: Nur Fajar Annafianto (Assoc)

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Displaying 1 - 6 of 6

Phase stabilization with single photon detection for quantum networks

October 29, 2024
Author(s)
Jabir Marakkarakath Vadakkepurayil, Daehyun Ahn, FNU Nur Fajar Rizqi Annafianto, Ivan Burenkov, Abdella Battou, Sergey Polyakov
Maintaining stable phases in interferometric systems and optical links is pivotal for the functionality of diverse quantum communication protocols. However, conventional phase stabilization methods use classical optical signals that may corrupt quantum

Suppressing communication errors using quantum-enabled forward error correction

September 28, 2023
Author(s)
Ivan Burenkov, FNU Nur Fajar Rizqi Annafianto, Jabir Marakkarakath Vadakkepurayil, Abdella Battou, Sergey Polyakov
Scalable optical communication requires error identification and correction to protect and recover information from channel and detection noise. Forward error correction protects information transmitted with optical pulses by amending errors using

Versatile quantum-enabled telecom receiver

March 2, 2023
Author(s)
FNU Nur Fajar Rizqi Annafianto, Jabir Marakkarakath Vadakkepurayil, Ivan Burenkov, Abdella Battou, Sergey Polyakov
We experimentally demonstrate a quantum-measurement-based receiver for a range of modulation schemes and alphabet lengths in a telecom C-band. We attain symbol error rates below the shot noise limit for all the studied modulation schemes and the alphabet

Practical Resource Optimization of Quantum-Enabled Communication Channels

July 21, 2021
Author(s)
Jabir Marakkarakath Vadakkepurayil, FNU Nur Fajar Rizqi Annafianto, Ivan Burenkov, Abdella Battou, Sergey Polyakov
We introduce new practical modulation schemes inspired by the quantum measurement. We experimentally show that our quantum-enabled communication system optimizes the combined resource efficiency (CRE) beyond the classical, shot-noise-limited CRE.

Experimental demonstration of the near-quantum optimal receiver

November 19, 2020
Author(s)
Jabir Marakkarakath Vadakkepurayil, Ivan Burenkov, FNU Nur Fajar Rizqi Annafianto, Abdella Battou, Sergey Polyakov
We implement the cyclic quantum receiver based on the theoretical proposal of Roy Bondurant and demonstrate experimentally below the shot-noise limit (SNL) discrimination of quadrature phase-shift keying signals (PSK). We also experimentally test the

FPGA Implementation of a Low Latency and High SFDR Direct Digital Synthesizer for Resource-Efficient Quantum-Enhanced Communication

October 15, 2020
Author(s)
FNU Nur Fajar Rizqi Annafianto, Jabir Marakkarakath Vadakkepurayil, Ivan Burenkov, Hasan Urgurdag, Abdella Battou, Sergey Polyakov
In most modulation schemes for a telecommunication system, a fast and efficient sinusoidal signal generator is needed. Here we report on an FPGA implementation of a versatile CORDIC Based Direct Digital Synthesizer (DDS). Most commercial lightwave
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