| Records |
| Author |
Lee, Ju-Hyun; Kim, Dong-Woo; Wu, Yung-Hsun; Yu, Chang-Jae; Lee, Sin-Doo; Wu, Shin-Tson |
| Title |
High-speed infrared phase modulators using short helical pitch ferroelectric liquid crystals |
Type |
Journal Article |
Year  |
2005 |
Publication |
Optics Express |
Abbreviated Journal |
Opt. Express |
| Volume |
13 |
Issue |
20 |
Pages |
7732 |
| Keywords |
IR modulator |
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| ISSN |
1094-4087 |
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Serial |
541 |
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| Author |
Rosfjord, Kristine M.; Yang, Joel K. W.; Dauler, Eric A.; Kerman, Andrew J.; Vikas Anant; Voronov, Boris M.; Gol'tsman, Gregory N.; Berggren, Karl K. |
| Title |
Nanowire Single-photon detector with an integrated optical cavity and anti-reflection coating |
Type |
Journal Article |
| Year |
2006 |
Publication |
Opt. Express |
Abbreviated Journal |
Opt. Express |
| Volume |
14 |
Issue |
2 |
Pages |
527-534 |
| Keywords |
SSPD, SNSPD, cavity |
| Abstract |
We have fabricated and tested superconducting single-photon detectors and demonstrated detection efficiencies of 57% at 1550-nm wavelength and 67% at 1064 nm. In addition to the peak detection efficiency, a median detection efficiency of 47.7% was measured over 132 devices at 1550 nm. These measurements were made at 1.8K, with each device biased to 97.5% of its critical current. The high detection efficiencies resulted from the addition of an optical cavity and anti-reflection coating to a nanowire photodetector, creating an integrated nanoelectrophotonic device with enhanced performance relative to the original device. Here, the testing apparatus and the fabrication process are presented. The detection efficiency of devices before and after the addition of optical elements is also reported. |
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1094-4087 |
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| Notes |
PMID:19503367 |
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no |
| Call Number |
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Serial |
388 |
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| Author |
Anant, Vikas; Kerman, Andrew J.; Dauler, Eric A.; Yang, Joel K. W.; Rosfjord, Krist.ine M.; Berggren, Karl K. |
| Title |
Optical properties of superconducting nanowire single-photon detectors |
Type |
Journal Article |
| Year |
2008 |
Publication |
Optics Express |
Abbreviated Journal |
Opt. Express |
| Volume |
16 |
Issue |
14 |
Pages |
10750 |
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1094-4087 |
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no |
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RPLAB @ s @ |
Serial |
413 |
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| Author |
Mohan, N.; Minaeva, O.; Gol'tsman, G. N.; Nasr, M. B.; Saleh, B. E.; Sergienko, A. V.; Teich, M. C. |
| Title |
Photon-counting optical coherence-domain reflectometry using superconducting single-photon detectors |
Type |
Journal Article |
| Year |
2008 |
Publication |
Opt. Express |
Abbreviated Journal |
Opt. Express |
| Volume |
16 |
Issue |
22 |
Pages |
18118-18130 |
| Keywords |
SSPD, SNSPD |
| Abstract |
We consider the use of single-photon counting detectors in coherence-domain imaging. Detectors operated in this mode exhibit reduced noise, which leads to increased sensitivity for weak light sources and weakly reflecting samples. In particular, we experimentally demonstrate the possibility of using superconducting single-photon detectors (SSPDs) for optical coherence-domain reflectometry (OCDR). These detectors are sensitive over the full spectral range that is useful for carrying out such imaging in biological samples. With counting rates as high as 100 MHz, SSPDs also offer a high rate of data acquisition if the light flux is sufficient. |
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Department of Biomedical Engineering, Boston University, Boston, MA 02215, USA. nm82@bu.edu |
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1094-4087 |
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| Notes |
PMID:18958090 |
Approved |
no |
| Call Number |
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Serial |
1407 |
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| Author |
Nasr, M. B.; Minaeva, O.; Goltsman, G. N.; Sergienko, A. V.; Saleh, B. E.; Teich, M. C. |
| Title |
Submicron axial resolution in an ultrabroadband two-photon interferometer using superconducting single-photon detectors |
Type |
Journal Article |
| Year |
2008 |
Publication |
Opt. Express |
Abbreviated Journal |
Opt. Express |
| Volume |
16 |
Issue |
19 |
Pages |
15104-15108 |
| Keywords |
SSPD, SNSPD |
| Abstract |
We generate ultrabroadband biphotons via the process of spontaneous parametric down-conversion in a quasi-phase-matched nonlinear grating that has a linearly chirped poling period. Using these biphotons in conjunction with superconducting single-photon detectors (SSPDs), we measure the narrowest Hong-Ou-Mandel dip to date in a two-photon interferometer, having a full width at half maximum (FWHM) of approximately 5.7 fsec. This FWHM corresponds to a quantum optical coherence tomography (QOCT) axial resolution of 0.85 µm. Our results indicate that a high flux of nonoverlapping biphotons may be generated, as required in many applications of nonclassical light. |
| Address |
Departments of Electrical & Computer Engineering and Physics, Quantum Imaging Laboratory, Boston University, Boston, MA 02215, USA. boshra@bu.edu |
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English |
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1094-4087 |
ISBN |
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| Notes |
PMID:18795048 |
Approved |
no |
| Call Number |
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Serial |
1408 |
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