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Design and optimiza...
Design and optimization of an arbitrarily segmented traveling wave electrode for an ultrahigh speed electroabsorption modulator
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- Tang, Yongbo (författare)
- KTH,Zhejiang-KTH Joint Research Center of Photonics, JORCEP
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- Yu, Yichuan (författare)
- KTH,Zhejiang-KTH Joint Research Center of Photonics, JORCEP
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- Ye, Yuqian (författare)
- KTH,Zhejiang-KTH Joint Research Center of Photonics, JORCEP
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- Westergren, Urban (författare)
- KTH,Fotonik och optik
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- He, Sailing (författare)
- KTH,Elektroteknisk teori och konstruktion,Kista Photonics Research Center, KPRC
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(creator_code:org_t)
- Elsevier BV, 2008
- 2008
- Engelska.
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Ingår i: Optics Communications. - : Elsevier BV. - 0030-4018 .- 1873-0310. ; 281:20, s. 5177-5182
- Relaterad länk:
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https://urn.kb.se/re...
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https://doi.org/10.1...
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Abstract
Ämnesord
Stäng
- The modulation response of an arbitrarily segmented traveling wave electroabsorption modulator (TW-EAM) with a non-periodic electrode layout is analyzed with an effective approach based on the transmission line theory. An optimization method based on a genetic algorithm is used to optimize the segmented electrode with additional capacitive pads for a TW-EAM. Optimized electrode structures are given for 165 mu m-length devices under standard 50 Omega RF termination condition and 210 mu m-length devices with smaller integrated resistors. Great enhancement of performances in modulation response is achieved as compared to the periodic design reported previously. The simulation with the parameters extracted from measurement results suggests that a 3 dB-bandwidth over 100 GHz could be achieved. The eye diagram from the simulation demonstrates that such devices would be competent for a 100Gb/s optical network.
Ämnesord
- NATURVETENSKAP -- Fysik -- Atom- och molekylfysik och optik (hsv//swe)
- NATURAL SCIENCES -- Physical Sciences -- Atom and Molecular Physics and Optics (hsv//eng)
Nyckelord
- Electroabsorption
- Electrodes
- Genetic algorithm
- Optical intensity
- modulation
- Transmission line theory
- Traveling wave (TW) devices
- Waveguide modulators
- optical modulators
- Optics
- Optik
Publikations- och innehållstyp
- ref (ämneskategori)
- art (ämneskategori)
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