Tomographic readout of an opto-mechanical interferometer

The quantum state of light changes its nature when being reflected off a mechanical oscillator due to the latter's susceptibility to radiation pressure. As a result, a coherent state can transform into a squeezed state and can get entangled with the motion of the oscillator. Full information of the state of light can only be gathered by a tomographic measurement. Here we demonstrate a tomographic interferometer readout by measuring arbitrary quadratures of the light field exiting a Michelson-Sagnac interferometer that contains a thermally excited high-quality silicon nitride membrane. A readout noise of 1.9 x 10(-16) mHz(-1/2) around the membrane's fundamental oscillation mode at 133 kHz has been achieved, going below the peak value of the standard quantum limit by a factor of 8.2 (9 dB). The readout noise was entirely dominated by shot noise in a rather broad frequency range around the mechanical resonance.

Welland Canal Survey of Lands Daniel Shriner 1834

Survey map and description of Daniel Shriner's land created by The Welland Canal Company. Included is a written description of the land along with a drawing of the land. Noteable features include; north and south branch of reservoir, line between Bouke and Shriner's land. Surveyor notes are seen in pencil on the map.

Hermenêutica e anti-hermenêutica: Friedrich Schlegel e Schleiermacher

A fortuna crítica de Friedrich Schlegel é rica em alusões a sua relação com Schleiermacher. Ambos conviveram em Berlim por volta de 1800, época em que Schlegel editava a Athenäum e em que Schleiermacher ainda não escrevera seus principais textos sobre hermenêutica. É possível conceber Friedrich Schlegel como um predecessor de Schleiermacher? Na tentativa de responder a essa pergunta, vamos nos deter sobre três textos, todos eles publicados na Athenäum: o ensaio sobre Lessing (Über Lessing, 1797), o ensaio sobre o Wilhem Meister de Goethe (Über Goethes Wilhelm Meisters Lehrjahre, 1798) e o ensaio da ininteligibilidade (Über die Unverständlichkeit, 1800).

Ms.Ff.F.Stoltze 3. 273 - Brief von Ernst Schalck an Friedrich Stoltze

Umzug, Frankfurter Latern

Ms.Ff.F.Stoltze 3. 276 - Brief von Ernst Schalck an Friedrich Stoltze

Frankfurter Latern, Hampelmann

Ms.Ff.F.Stoltze 3. 264 - Brief von Daniel Saul und Elly Saul an Friedrich Stoltze

Glückwünsche zum 72. Geburtstag (Gedicht)

Friedrich Schleiermacher's philosophische und vermischte Schriften

In Fraktur

Ms.Ff.F.Stoltze 3. 201 - Brief von Ernst F. A. Münzenberger an Friedrich Stoltze

Soziale Verhältnisse ("Pauperismus") in Frankfurt, Zu einem "Schützling" Stoltzes

Ms.Ff.F.Stoltze 3. 263 - Brief von Daniel Saul an Friedrich Stoltze

Gruß zur Rückkehr aus Königstein (Gedicht)

Ms.Ff.F.Stoltze 3. 266 - Brief von Ernst Schalck an Friedrich Stoltze

Nachrichten aus der Pfalz

Ms.Ff.F.Stoltze 3. 267 - Brief von Ernst Schalck an Friedrich Stoltze

Einladung

Ms.Ff.F.Stoltze 3. 268 - Brief von Ernst Schalck an Friedrich Stoltze

Frankfurter Latern

Ms.Ff.F.Stoltze 3. 269 - Brief von Ernst Schalck an Friedrich Stoltze

Frankfurter Latern

Ms.Ff.F.Stoltze 3. 270 - Brief von Ernst Schalck an Friedrich Stoltze

Frankfurter Latern