one more shahriar

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@@ -7423,3 +7423,17 @@ doi = {10.1080/09500340.2016.1148212},
 	abstract = {We have demonstrated a laser in which the frequency shift due to small cavity fluctuations is far less than what would be expected from a conventional laser. The factor of sensitivity suppression is inferred to be equal to the effective group index experienced by the laser, implying that this laser is subluminal. We have observed a suppression factor as high as 663. Such a laser is highly self-stabilized compared to a conventional laser, and is expected to have a far smaller Schawlow-Townes linewidth. As a result, this laser may have potentially significant applications in the fields of high-precision optical metrology and passive frequency stabilization.},
 }
 
+@article{shahriar16OCsubluminal_laser_modeling,
+	title = "Modeling and analysis of an ultra-stable subluminal laser",
+	journal = "Optics Communications",
+	volume = "358",
+	pages = "6 - 19",
+	year = "2016",
+	issn = "0030-4018",
+	doi = "https://doi.org/10.1016/j.optcom.2015.09.007",
+	url = "http://www.sciencedirect.com/science/article/pii/S0030401815300870",
+	author = "Zifan Zhou and Joshua Yablon and Minchuan Zhou and Ye Wang and Alexander Heifetz and M.S. Shahriar",
+	keywords = "Optics, Photonics, Laser, Slow light",
+	abstract = "We describe a subluminal laser which is extremely stable against perturbations. It makes use of a composite gain spectrum consisting of a broad background along with a narrow peak. The stability of the laser, defined as the change in frequency as a function of a change in the cavity length, is enhanced by a factor given by the group index, which can be as high as 105 for experimentally realizable parameters. We also show that the fundamental linewidth of such a laser is expected to be smaller by the same factor. We first present an analysis where the gain profile is modeled as a superposition of two Lorentzian functions. We then present a numerical study based on a physical scheme for realizing the composite gain profile. In this scheme, the broad gain is produced by a high pressure buffer-gas loaded cell of rubidium vapor. The narrow gain is produced by using a Raman pump in a second rubidium vapor cell, where optical pumping is used to produce a Raman population inversion. We show close agreement between the idealized model and the explicit model. A subluminal laser of this type may prove to be useful for many applications."
+}
+