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Fully integrated CMOS-compatible mode-locked lasers
Başlık:
Fully integrated CMOS-compatible mode-locked lasers
Yazar:
Shtyrkova, Katia, author.
Yazar Ek Girişi:
Genel Not:
Source: Dissertation Abstracts International, Volume: 79-10(E), Section: B.
Advisors: Erich P. Ippen.
Özet:
The field of integrated photonics has already revolutionized optical communications and is making rapid advances in signal processing, light detection and ranging, optical sensing, bio-medical diagnostics and imaging, and military-related applications. Large and complex radio-frequency and optical systems could be potentially replaced with compact, power-efficient, alignment-free, cost-effectively mass-produced integrated photonics components. An on-chip high repetition-rate mode-locked laser is a key enabler of many integrated photonics applications, such as all-optical sampling, on-chip frequency combs, low phase noise microwave oscillators, photonic ADCs and others. First-ever fully-integrated on-chip mode-locked lasers are demonstrated in this work, fabricated using a CMOS-compatible process. The lasers have no off-chip elements other than the pump laser, which could be easily co-packaged. 1900nm and 1550nm lasers are designed, fabricated and characterized. For 1900nm central wavelength lasers, several different laser configurations are demonstrated, with repetition rates of 690MHz and 1.2GHz. Q-switched, Q-switch-mode-locked, and CW mode-locked laser operation was demonstrated, with the shortest pulse durations of 250fs. The smallest foot-print of one laser is 23.6mm x 0.78mm x 0.6mxn. In addition, first-ever fully-on-chip CMOS-compatible mode-locking element based on Kerr non-linearity is demonstrated for 1550nm and 1900nm laser wavelengths. Demonstrated modulation depths for 1900nm and 1550nm mode-locking devices are 9% and 2.5% respectively. The work in this thesis presents the first-ever demonstration of fully-onchip CMOS compatible mode-locking device, as well as first-ever CMOS-compatible mode-locked lasers with no off-chip components. (Copies available exclusively from MIT Libraries, libraries.mit.edu/docs - docs mit.edu).
Notlar:
School code: 0753
Tüzel Kişi Ek Girişi:
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Yer Numarası | Demirbaş Numarası | Shelf Location | Lokasyon / Statüsü / İade Tarihi |
---|---|---|---|
XX(687430.1) | 687430-1001 | Proquest E-Tez Koleksiyonu | Arıyor... |
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