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Proceedings Paper

Time- and wavelength-interleaved laser pulses: prospects and challenges in optical signal processing
Author(s): Chester Shu; Gordon K. P. Lei
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Paper Abstract

We review our recent work on the generation of time- and wavelength-interleaved laser pulses and their applications in optical signal processing. Using phase and amplitude modulation on four continuous-wave lasers at ~1550 nm followed by chirp compensation, we have generated < 6 ps pulses switched sequentially among 4 center wavelengths with a repetition rate of 80 GHz. The pulses are nearly transform limited with a time-bandwidth product ~ 0.464. We applied time- and wavelength-interleaved pulses for new applications in nonlinear processing of communication signals. Fourwavelength DPSK multicasting with simultaneous NRZ-to-RZ pulse format conversion has been achieved with fourwave mixing. In addition, using optical parametric amplification with the interleaved pulses, we have demonstrated reconfigurable 40 Gb/s OTDM demultiplexing, as well as amplitude noise reduction in DPSK wavelength multicast.

Paper Details

Date Published: 6 December 2011
PDF: 5 pages
Proc. SPIE 8307, Passive Components and Fiber-Based Devices VIII, 830703 (6 December 2011); doi: 10.1117/12.902761
Show Author Affiliations
Chester Shu, The Chinese Univ. of Hong Kong (Hong Kong, China)
Gordon K. P. Lei, The Chinese Univ. of Hong Kong (Hong Kong, China)


Published in SPIE Proceedings Vol. 8307:
Passive Components and Fiber-Based Devices VIII
Bishnu P. Pal, Editor(s)

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