Submitted on: 05 August 1998.
Revised on: 08 September 1998.
Accepted on: 24 September 1998.
Nature Photonics---NATURE PORTFOLIO
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Submitted on: 08 October 2006.
Revised on: 14 November 2006.
Accepted on: 11 December 2006.
Nature Photonics---NATURE PORTFOLIO
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Submitted on: 28 December 2008.
Revised on: 08 January 2009.
Accepted on: 27 January 2009.
Nature Photonics
Submitted on: 18 January 2023.
Revised on: 26 January 2023.
Accepted on: 23 February 2023.
Nature Photonics---NATURE PORTFOLIO
Submitted on: 09 December 2000.
Revised on: 10 January 2001.
Accepted on: 29 January 2001.
Nature Photonics
Submitted on: 04 June 2000.
Revised on: 15 July 2000.
Accepted on: 31 July 2000.
Nature Photonics---NATURE PORTFOLIO
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