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Ultra-Narrow Bandwidth Optical Reson...

Spencer, Daryl T.

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Ultra-Narrow Bandwidth Optical Resonators for Integrated Low Frequency Noise Lasers.

Record Type:	Electronic resources : Monograph/item
Title/Author:	Ultra-Narrow Bandwidth Optical Resonators for Integrated Low Frequency Noise Lasers./
Author:	Spencer, Daryl T.
Description:	116 p.
Notes:	Source: Dissertation Abstracts International, Volume: 77-09(E), Section: B.
Contained By:	Dissertation Abstracts International77-09B(E).
Subject:	Optics. -
Online resource:	http://pqdd.sinica.edu.tw/twdaoapp/servlet/advanced?query=10103598
ISBN:	9781339671642

Ultra-Narrow Bandwidth Optical Resonators for Integrated Low Frequency Noise Lasers.
Spencer, Daryl T.

Ultra-Narrow Bandwidth Optical Resonators for Integrated Low Frequency Noise Lasers. - 116 p.

Source: Dissertation Abstracts International, Volume: 77-09(E), Section: B.

Thesis (Ph.D.)--University of California, Santa Barbara, 2016.

The development of narrowband resonators has far reaching applications in integrated optics. As a precise reference of wavelength, filters can be used in sensors, metrology, nonlinear optics, microwave photonics, and laser stabilization. In this work, we develop record high quality factor (Q) Si 3N4 waveguide resonators, and utilize them to stabilize a heterogeneously integrated Si/III V laser.

ISBN: 9781339671642Subjects--Topical Terms:

517925
Optics.

Ultra-Narrow Bandwidth Optical Resonators for Integrated Low Frequency Noise Lasers.
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020 $a 9781339671642
035 $a (MiAaPQ)AAI10103598
035 $a AAI10103598
040 $a MiAaPQ $c MiAaPQ
100 1 $a Spencer, Daryl T. $3 3189872
245 1 0 $a Ultra-Narrow Bandwidth Optical Resonators for Integrated Low Frequency Noise Lasers.
300 $a 116 p.
500 $a Source: Dissertation Abstracts International, Volume: 77-09(E), Section: B.
500 $a Adviser: John E. Bowers.
502 $a Thesis (Ph.D.)--University of California, Santa Barbara, 2016.
520 $a The development of narrowband resonators has far reaching applications in integrated optics. As a precise reference of wavelength, filters can be used in sensors, metrology, nonlinear optics, microwave photonics, and laser stabilization. In this work, we develop record high quality factor (Q) Si 3N4 waveguide resonators, and utilize them to stabilize a heterogeneously integrated Si/III V laser.
520 $a To increase the Q factor of waveguide resonators, particular attention is given to loss mechanisms. Propagation loss of <0.1 dB/m is demonstrated on the ultra low loss waveguide platform, a low index contrast, high aspect ratio Si3N4 waveguide geometry fabricated with high quality materials and high temperature anneals. Ideality in the directional couplers used for coupling to the resonators is studied and losses are reduced such that 81 million intrinsic Q factor is achieved. Additional results include 1x16 resonant splitters, low ? narrowband gratings, and a dual layer waveguide technology for low loss and low bend radius in separate regions of the same device layer.
520 $a We then combine an ultra high Q resonator and a heterogeneous Si/III V laser in a Pound Drever Hall (PDH) frequency stabilization system to yield narrow linewidth characteristics for a stable on chip laser reference. The high frequency noise filtering is performed with Si resonant mirrors in the laser cavity. A 30 million Q factor Si3N4 resonator is used with electrical feedback to reduce close in noise and frequency walk off. The laser shows high frequency noise levels of 60x103 Hz2/Hz corresponding to 160 kHz linewidth, and the low frequency noise is suppressed 33 dB to 103 Hz2/Hz with the PDH system.
590 $a School code: 0035.
650 4 $a Optics. $3 517925
650 4 $a Electrical engineering. $3 649834
690 $a 0752
690 $a 0544
710 2 $a University of California, Santa Barbara. $b Electrical and Computer Engineering. $3 2095334
773 0 $t Dissertation Abstracts International $g 77-09B(E).
790 $a 0035
791 $a Ph.D.
792 $a 2016
793 $a English
856 4 0 $u http://pqdd.sinica.edu.tw/twdaoapp/servlet/advanced?query=10103598