A Narrow-Linewidth Laser at 1550 nm Using the Pound-Drever-Hall Stabilization Technique

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dc.contributor.authorLally, Evan M.en
dc.contributor.committeechairWang, Anboen
dc.contributor.committeememberSafaai-Jazi, Ahmaden
dc.contributor.committeememberBrown, Gary S.en
dc.contributor.committeememberHeflin, James R.en
dc.contributor.departmentElectrical and Computer Engineeringen
dc.date.accessioned2014-03-14T20:44:07Zen
dc.date.adate2006-10-03en
dc.date.available2014-03-14T20:44:07Zen
dc.date.issued2006-08-11en
dc.date.rdate2006-10-03en
dc.date.sdate2006-08-24en
dc.description.abstractLinewidth is a measure of the frequency stability of any kind of oscillator, and it is a defining characteristic of coherent lasers. Narrow linewidth laser technology, particularly in the field of fiber-based infrared lasers, has progressed to the point where highly stable sources are commercially available with linewidths on the order of 1-100 kHz. In order to achieve a higher level of stability, the laser must be augmented by an external frequency stabilization system. This paper presents the design and operation of a frequency locking system for infrared fiber lasers. Using the Pound-Drever-Hall technique, the system significantly reduces the linewidth of an input laser with an un-stabilized linewidth of 2 kHz. It uses a high-finesse Fabry-Perot cavity, which is mechanically and thermally isolated, as a frequency reference to measure the time-varying frequency of the input laser. An electronic feedback loop works to correct the frequency error and maintain constant optical power. Testing has proven the Pound-Drever-Hall system to be highly stable and capable of operating continuously for several seconds at a time.en
dc.description.degreeMaster of Scienceen
dc.identifier.otheretd-08242006-115533en
dc.identifier.sourceurlhttp://scholar.lib.vt.edu/theses/available/etd-08242006-115533/en
dc.identifier.urihttp://hdl.handle.net/10919/34739en
dc.publisherVirginia Techen
dc.relation.haspartevlallyMSthesis.pdfen
dc.rightsIn Copyrighten
dc.rights.urihttp://rightsstatements.org/vocab/InC/1.0/en
dc.subjectLinewidthen
dc.subjectPound-Drever-Hallen
dc.subjectFabry-Peroten
dc.subjectLaseren
dc.subjectInfrareden
dc.subjectFiberen
dc.subjectFrequency Noiseen
dc.subjectPhase Locken
dc.subjectStabilizationen
dc.titleA Narrow-Linewidth Laser at 1550 nm Using the Pound-Drever-Hall Stabilization Techniqueen
dc.typeThesisen
thesis.degree.disciplineElectrical and Computer Engineeringen
thesis.degree.grantorVirginia Polytechnic Institute and State Universityen
thesis.degree.levelmastersen
thesis.degree.nameMaster of Scienceen

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