Improved multi-channel multi-carrier generation using gain-independent multi-channel frequency shifting recirculating loop

Junwen Zhang; Jianjun Yu; Nan Chi; Ze Dong; Xinying Li; G. K. Chang

doi:10.1364/OE.20.029599

Improved multi-channel multi-carrier generation using gain-independent multi-channel frequency shifting recirculating loop

Junwen Zhang^*, Jianjun Yu, Nan Chi, Ze Dong, Xinying Li, G. K. Chang

^*Corresponding author for this work

Research output: Contribution to journal › Article › peer-review

8 Citations (Scopus)

Abstract

We propose and experimentally demonstrate an improved scheme to generate optical frequency-locked multi-channel multi-carriers (MCMC), using a gain-independent multi-channel recirculating frequency shifter (MC-RFS) loop based on single sideband (SSB) modulation. We re-build the RFS structure with better performance. By using MC-RFS loop, we can generate N-channel subcarriers each round trip without interference. These subcarriers of each channel are stable and frequency-locked, which can be used for multi-channel WDM source. The dual-channel RFS loop is carried out for demonstration in our experiment with dual-carrier source. Using this scheme, we successfully generate 62 frequency-locked subcarriers with 25-GHz frequency spacing in 2 channels and each channel has 31 tones.

Original language	English
Pages (from-to)	29599-29604
Number of pages	6
Journal	Optics Express
Volume	20
Issue number	28
DOIs	https://doi.org/10.1364/OE.20.029599
Publication status	Published - 31 Dec 2012
Externally published	Yes

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abstract = "We propose and experimentally demonstrate an improved scheme to generate optical frequency-locked multi-channel multi-carriers (MCMC), using a gain-independent multi-channel recirculating frequency shifter (MC-RFS) loop based on single sideband (SSB) modulation. We re-build the RFS structure with better performance. By using MC-RFS loop, we can generate N-channel subcarriers each round trip without interference. These subcarriers of each channel are stable and frequency-locked, which can be used for multi-channel WDM source. The dual-channel RFS loop is carried out for demonstration in our experiment with dual-carrier source. Using this scheme, we successfully generate 62 frequency-locked subcarriers with 25-GHz frequency spacing in 2 channels and each channel has 31 tones.",

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AU - Li, Xinying

AU - Chang, G. K.

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AB - We propose and experimentally demonstrate an improved scheme to generate optical frequency-locked multi-channel multi-carriers (MCMC), using a gain-independent multi-channel recirculating frequency shifter (MC-RFS) loop based on single sideband (SSB) modulation. We re-build the RFS structure with better performance. By using MC-RFS loop, we can generate N-channel subcarriers each round trip without interference. These subcarriers of each channel are stable and frequency-locked, which can be used for multi-channel WDM source. The dual-channel RFS loop is carried out for demonstration in our experiment with dual-carrier source. Using this scheme, we successfully generate 62 frequency-locked subcarriers with 25-GHz frequency spacing in 2 channels and each channel has 31 tones.

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Improved multi-channel multi-carrier generation using gain-independent multi-channel frequency shifting recirculating loop

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