Unbalanced TOAD for optical data and clock separation in self-clocked transparent OTDM networks

We simulate and demonstrate a single-beam intensity-thresholding all-optical switch by modifying a terahertz optical asymmetric demultiplexer (TOAD) with an uneven power splitting in the loop. An optimized set of parameters used in the demonstration is found from the simulations considering the satu...

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Veröffentlicht in:	IEEE photonics technology letters 1997-06, Vol.9 (6), p.830-832
Hauptverfasser:	Deng, K.-L., Glesk, I., Kang, K.I., Prucnal, P.R.
Format:	Artikel
Sprache:	eng
Schlagworte:	Clocks Intelligent networks Optical fiber networks Optical pulses Optical receivers Optical saturation Optical signal processing Pulse amplifiers Semiconductor optical amplifiers Ultrafast optics
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container_title	IEEE photonics technology letters
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creator	Deng, K.-L. Glesk, I. Kang, K.I. Prucnal, P.R.
description	We simulate and demonstrate a single-beam intensity-thresholding all-optical switch by modifying a terahertz optical asymmetric demultiplexer (TOAD) with an uneven power splitting in the loop. An optimized set of parameters used in the demonstration is found from the simulations considering the saturation of the semiconductor optical amplifier. With 8.7-dB input clock-to-data ratio, the clock-to-data ratio can be suppressed down to -7.4 dB at the reflected (data) port. An amplified output with 3.0 dB clock-to-data ratio improvement was achieved in the transmitted (clock) port at a low switching energy of 150 fJ. The device can be used for clock recovery in self-clocked optical networks.
doi_str_mv	10.1109/68.585005
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An optimized set of parameters used in the demonstration is found from the simulations considering the saturation of the semiconductor optical amplifier. With 8.7-dB input clock-to-data ratio, the clock-to-data ratio can be suppressed down to -7.4 dB at the reflected (data) port. An amplified output with 3.0 dB clock-to-data ratio improvement was achieved in the transmitted (clock) port at a low switching energy of 150 fJ. 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An optimized set of parameters used in the demonstration is found from the simulations considering the saturation of the semiconductor optical amplifier. With 8.7-dB input clock-to-data ratio, the clock-to-data ratio can be suppressed down to -7.4 dB at the reflected (data) port. An amplified output with 3.0 dB clock-to-data ratio improvement was achieved in the transmitted (clock) port at a low switching energy of 150 fJ. The device can be used for clock recovery in self-clocked optical networks.</abstract><pub>IEEE</pub><doi>10.1109/68.585005</doi><tpages>3</tpages></addata></record>
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subjects	Clocks Intelligent networks Optical fiber networks Optical pulses Optical receivers Optical saturation Optical signal processing Pulse amplifiers Semiconductor optical amplifiers Ultrafast optics
title	Unbalanced TOAD for optical data and clock separation in self-clocked transparent OTDM networks
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