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We demonstrated four different laser operational states in the same passive fiber ring laser cavity by controlling solely the polarization state in a saturable absorber. The demonstrated laser operational states were continuous wave, mode-locking, Q-switching, and Q-switched mode-locking. The saturable absorber was fabricated by spin-coating a single-walled carbon nanotubes (SWCNT)/polymer composite...
We demonstrate a simple all-fiber variable polarization rotator based on geometric effects. The device rotates the orientation of polarization minimizing the change in other parameters of the polarization state. The rotation angle is controlled by a simple mechanical adjustment.
Recent public management literature has emphasized the influence of human resource management (HRM) policies, including traditional benefits, family‐friendly benefits, procedural justice, and managerial trustworthiness, on work attitudes. However, little research in public administration has explored more detailed impacts of each HRM policy. This article provides an integrated understanding of the impacts of HRM policies using social exchange theory. In addition, the moderating impacts of procedural justice and managerial trustworthiness on the relationship between employee benefits and work attitudes are examined. Using the Federal Human Capital Survey 2008 data set, the authors find that two types of employee benefits, procedural justice, and managerial trustworthiness are positively related to job satisfaction, whereas family‐friendly benefits, managerial trustworthiness, and procedural justice are negatively associated with turnover intention. The implications of these findings are thoroughly discussed...
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