Submitted on: 17 December 2014.
Revised on: 06 March 2015.
Accepted on: 26 April 2015.
___________________EPJ Quantum Technology---SPRINGER
Submitted on: 17 February 2000.
Revised on: 01 April 2000.
Accepted on: 15 April 2000.
___________________EPJ Quantum Technology---SPRINGER
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Submitted on: 22 May 2015.
Revised on: 05 September 2015.
Accepted on: 25 September 2015.
___________________EPJ Quantum Technology---SPRINGER
Submitted on: 28 February 2022.
Revised on: 21 March 2022.
Accepted on: 04 May 2022.
___________________EPJ Quantum Technology---SPRINGER
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Submitted on: 02 June 2019.
Revised on: 08 September 2019.
Accepted on: 09 October 2019.
___________________EPJ Quantum Technology---SPRINGER
Submitted on: 13 January 2015.
Revised on: 19 February 2015.
Accepted on: 22 March 2015.
___________________EPJ Quantum Technology---SPRINGER
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