Publications related to Brillouin gain curve measurements in fibres at cryogenic temperatures

Radiation and Internal Loss Engineering of High-Stress Silicon Nitride Nanobeams

Dalziel Joseph Wilson, Amir Hossein Ghadimi

High-stress Si3N4 nanoresonators have become an attractive choice for electro- and optomechanical devices. Membrane resonators can achieve quality factor (Q)frequency (f) products exceeding 10(13) Hz, enabling (in principle) quantum coherent operation at r ...

Amer Chemical Soc2017

Dissipation engineering of high-stress silicon nitride nanobeams

Tobias Kippenberg, Dalziel Joseph Wilson, Amir Hossein Ghadimi

High-stress Si

_3

N

_4

nanoresonators have become an attractive choice for electro- and optomechanical devices. Membrane resonators can achieve quality factor (

Q

) - frequency (

f

) products exceeding

10^{13}

Hz, enabling (in principle) quantum coheren ...

2016

The variation of PbTiO3 bandgap at ferroelectric phase transition

Nava Setter

Optical properties of the PbTiO3 thin films fabricated by chemical solution deposition have been measured with variable angle spectroscopic ellipsometry in the spectral range of 1-6 eV and in the temperature interval from room temperature to 950 K. The opt ...

Iop Publishing Ltd2016

Bosonic lasing and trapping of a dressed photon fluid in InGaN at room temperature

Munise Nevin Cobet

The generation of a quantum fluid of dressed photons at room temperature is experimentally demonstrated in an InGaN microcavity which is divided into two-and one-dimensional sections, resulting in single- and switchable multilevel coherent light emission. ...

Amer Physical Soc2016

MilliKelvin resolution in cryogenic temperature distributed fibre sensing based on coherent Rayleigh scattering

Luc Thévenaz, Marcelo Alfonso Soto Hernandez, Xin Lu

The response of a distributed temperature sensor based on coherent Rayleigh scattering is experimentally studied in the temperature range from 77 K up to 300 K, using fibres with standard and ORMOCER coating. A precise and absolute frequency scan is perfor ...

SPIE2014

Evanescent straight tapered-fiber coupling of ultra-high Q optomechanical micro-resonators in a low-vibration helium-4 exchange-gas cryostat

Tobias Kippenberg, Albert Schliesser

We developed an apparatus to couple a 50-mu m diameter whispering-gallery silica microtoroidal resonator in a helium-4 cryostat using a straight optical tapered-fiber at 1550 nm wavelength. On a top-loading probe specifically adapted for increased mechanic ...

Amer Inst Physics2013

Low-temperature thin-film indium bonding for reliable wafer-level hermetic MEMS packaging

Nico de Rooij, Danick Briand, Yves Pétremand

This paper reports on low-temperature and hermetic thin-film indium bonding for wafer-level encapsulation and packaging of delicate and temperature sensitive devices. This indium-bonding technology enables bonding of surface materials commonly used in MEMS ...

Institute of Physics2013

Tetrathiofulvalene and tetracyanoquinodimethane crystals: Conducting surface versus interface

Philip Johannes Walter Moll

When a tetrathiofulvalene (TTF) crystal is placed onto a 7,7,8,8‐tetracyanoquinodimethane (TCNQ) crystal at room temperature, a highly conducting layer is formed. In this study, we explore to what degree this is due to physical contact or transfer by subli ...

2012

Nature of the Charge Carriers and Conduction Mechanism in Anatase TiO2

Jacim Jacimovic

The anatase phase of TiO2 is a key material in the third generation of photovoltaics and for photo-catalytic devices. The number of promising applications, where one would profit from the electronic degrees of freedom of the material, like in memristors, s ...

EPFL2012

Measuring nanomechanical motion with an imprecision below the standard quantum limit

Tobias Kippenberg, Emanuel Gavartin

We report a room-temperature measurement of nanomechanical motion with an imprecision below the standard quantum limit (SQL), using cavity-enhanced optical near fields. Fundamental thermodynamical cavity frequency fluctuation limits the total imprecision t ...

2010

Brillouin gain curve measurements in fibres at cryogenic temperatures

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Radiation and Internal Loss Engineering of High-Stress Silicon Nitride Nanobeams

Dissipation engineering of high-stress silicon nitride nanobeams

The variation of PbTiO3 bandgap at ferroelectric phase transition

Bosonic lasing and trapping of a dressed photon fluid in InGaN at room temperature

MilliKelvin resolution in cryogenic temperature distributed fibre sensing based on coherent Rayleigh scattering

Evanescent straight tapered-fiber coupling of ultra-high Q optomechanical micro-resonators in a low-vibration helium-4 exchange-gas cryostat

Low-temperature thin-film indium bonding for reliable wafer-level hermetic MEMS packaging

Tetrathiofulvalene and tetracyanoquinodimethane crystals: Conducting surface versus interface

Nature of the Charge Carriers and Conduction Mechanism in Anatase TiO2

Measuring nanomechanical motion with an imprecision below the standard quantum limit

Dissipation engineering of high-stress silicon nitride nanobeams

Tetrathiofulvalene and tetracyanoquinodimethane crystals: Conducting surface versus interface

The variation of PbTiO3 bandgap at ferroelectric phase transition

Radiation and Internal Loss Engineering of High-Stress Silicon Nitride Nanobeams

Low-temperature thin-film indium bonding for reliable wafer-level hermetic MEMS packaging

Nature of the Charge Carriers and Conduction Mechanism in Anatase TiO2

Evanescent straight tapered-fiber coupling of ultra-high Q optomechanical micro-resonators in a low-vibration helium-4 exchange-gas cryostat

Bosonic lasing and trapping of a dressed photon fluid in InGaN at room temperature

MilliKelvin resolution in cryogenic temperature distributed fibre sensing based on coherent Rayleigh scattering

Measuring nanomechanical motion with an imprecision below the standard quantum limit