Time- and wavelength-interleaved laser pulses: prospects and challenges in optical signal processing

Chester Shu; Gordon K. P. Lei

doi:10.1117/12.902761

6 December 2011 Time- and wavelength-interleaved laser pulses: prospects and challenges in optical signal processing

Chester Shu, Gordon K. P. Lei

Proceedings Volume 8307, Passive Components and Fiber-Based Devices VIII; 830703 (2011) https://doi.org/10.1117/12.902761
Event: SPIE/OSA/IEEE Asia Communications and Photonics, 2011, Shanghai, China

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.

Citation Download Citation

Chester Shu and Gordon K. P. Lei "Time- and wavelength-interleaved laser pulses: prospects and challenges in optical signal processing", Proc. SPIE 8307, Passive Components and Fiber-Based Devices VIII, 830703 (6 December 2011); https://doi.org/10.1117/12.902761

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