All-optical Subharmonic and Group Clock Extraction from Unequal-amplitude-sequence Multiplexed OTDM Signals

[in Chinese]; [in Chinese]; [in Chinese]; [in Chinese]; [in Chinese]; [in Chinese]; [in Chinese]; [in Chinese]; [in Chinese]; [in Chinese]; [in Chinese]

Journals >Chinese Journal of Lasers >Volume 28 >Issue 11 >Page 1010 > Article

Chinese Journal of Lasers
Vol. 28, Issue 11, 1010 (2001)

All-optical Subharmonic and Group Clock Extraction from Unequal-amplitude-sequence Multiplexed OTDM Signals

[in Chinese]¹, [in Chinese]¹, [in Chinese]¹, [in Chinese]¹, [in Chinese]¹, [in Chinese]¹, [in Chinese]¹, [in Chinese]², [in Chinese]², [in Chinese]², and [in Chinese]²

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¹[in Chinese]

²[in Chinese]

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[in Chinese], [in Chinese], [in Chinese], [in Chinese], [in Chinese], [in Chinese], [in Chinese], [in Chinese], [in Chinese], [in Chinese], [in Chinese]. All-optical Subharmonic and Group Clock Extraction from Unequal-amplitude-sequence Multiplexed OTDM Signals[J]. Chinese Journal of Lasers, 2001, 28(11): 1010 Copy Citation Text

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Abstract

A novel method of all optical subharmonic frequency clock extraction at 2.5 GHz and group clock extraction at 5GHz and 10GHz is demonstrated from 4×2.5 GHz unequal amplitude sequence multiplexed OTDM signals that include dark frame pulses. The dark frame pulses used in OTDM signals can not only be used for data recognition, but also improve the quality of extracted optical clock.

Keywords

injection mode locking OTDM all optical clock extraction

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