Bit error evaluation of optically preamplified direct detection receivers with Fabry-Perot optical filters

1997 ◽  
Vol 15 (8) ◽  
pp. 1546-1553 ◽  
Author(s):  
I.T. Monroy ◽  
G. Einarsson
Keyword(s):  
Direct Detection ◽  
Optical Filters ◽  
Error Evaluation ◽  
Fabry Perot

scholarly journals Extraordinary Optical Transmission by Hybrid Phonon–Plasmon Polaritons Using hBN Embedded in Plasmonic Nanoslits

Nanomaterials ◽  
2021 ◽  
Vol 11 (6) ◽  
pp. 1567
Author(s):  
Shinpei Ogawa ◽  
Shoichiro Fukushima ◽  
Masaaki Shimatani
Keyword(s):  
Optical Transmission ◽  
Hexagonal Boron Nitride ◽  
Incident Angle ◽  
Optical Filters ◽  
Extraordinary Optical Transmission ◽  
Light Manipulation ◽  
Rigorous Coupled Wave Analysis ◽  
Fabry Perot ◽  
Hyperbolic Dispersion ◽  
Rigorous Coupled Wave

Hexagonal boron nitride (hBN) exhibits natural hyperbolic dispersion in the infrared (IR) wavelength spectrum. In particular, the hybridization of its hyperbolic phonon polaritons (HPPs) and surface plasmon resonances (SPRs) induced by metallic nanostructures is expected to serve as a new platform for novel light manipulation. In this study, the transmission properties of embedded hBN in metallic one-dimensional (1D) nanoslits were theoretically investigated using a rigorous coupled wave analysis method. Extraordinary optical transmission (EOT) was observed in the type-II Reststrahlen band, which was attributed to the hybridization of HPPs in hBN and SPRs in 1D nanoslits. The calculated electric field distributions indicated that the unique Fabry–Pérot-like resonance was induced by the hybridization of HPPs and SPRs in an embedded hBN cavity. The trajectory of the confined light was a zigzag owing to the hyperbolicity of hBN, and its resonance number depended primarily on the aspect ratio of the 1D nanoslit. Such an EOT is also independent of the slit width and incident angle of light. These findings can not only assist in the development of improved strategies for the extreme confinement of IR light but may also be applied to ultrathin optical filters, advanced photodetectors, and optical devices.

scholarly journals Retrieval of atmospheric backscatter and extinction profiles with the aladin airborne demonstrator (A2D)

2018 ◽  
Vol 176 ◽  
pp. 02021 ◽  
Author(s):  
Alexander Geiss ◽  
Uwe Marksteiner ◽  
Oliver Lux ◽  
Christian Lemmerz ◽  
Oliver Reitebuch ◽  
...  
Keyword(s):  
Direct Detection ◽  
European Space Agency ◽  
Backscatter Coefficient ◽  
Detection Scheme ◽  
Space Agency ◽  
Fabry Perot ◽  
Lidar Ratio ◽  
Wind Lidar ◽  
Wind Retrievals ◽  
Atmospheric Backscatter

By the end of 2017, the European Space Agency (ESA) will launch the Atmospheric laser Doppler instrument (ALADIN), a direct detection Doppler wind lidar operating at 355 nm. An important tool for the validation and optimization of ALADIN’s hardware and data processors for wind retrievals with real atmospheric signals is the ALADIN airborne demonstrator A2D. In order to be able to validate and test aerosol retrieval algorithms from ALADIN, an algorithm for the retrieval of atmospheric backscatter and extinction profiles from A2D is necessary. The A2D is utilizing a direct detection scheme by using a dual Fabry-Pérot interferometer to measure molecular Rayleigh signals and a Fizeau interferometer to measure aerosol Mie returns. Signals are captured by accumulation charge coupled devices (ACCD). These specifications make different steps in the signal preprocessing necessary. In this paper, the required steps to retrieve aerosol optical products, i. e. particle backscatter coefficient βp, particle extinction coefficient αp and lidar ratio Sp from A2D raw signals are described.

Performance of optically preamplified receivers with Fabry-Perot optical filters

1996 ◽  
Vol 14 (11) ◽  
pp. 2467-2474 ◽  
Author(s):  
C. Lawetz ◽  
J.C. Cartledge
Keyword(s):  
Optical Filters ◽  
Fabry Perot

scholarly journals Mode Suppression in Injection Locked Multi-Mode and Single-Mode Lasers for Optical Demultiplexing

Photonics ◽  
2019 ◽  
Vol 6 (1) ◽  
pp. 27 ◽  
Author(s):  
Kevin Shortiss ◽  
Maryam Shayesteh ◽  
William Cotter ◽  
Alison Perrott ◽  
Mohamad Dernaika ◽  
...  
Keyword(s):  
Active Material ◽  
Single Mode ◽  
Optical Filters ◽  
Optical Injection ◽  
Single Frequency ◽  
Q Factor ◽  
Monolithically Integrated ◽  
Mode Suppression ◽  
Locking Range ◽  
Fabry Perot

Optical injection locking has been demonstrated as an effective filter for optical communications. These optical filters have advantages over conventional passive filters, as they can be used on active material, allowing them to be monolithically integrated onto an optical circuit. We present an experimental and theoretical study of the optical suppression in injection locked Fabry–Pérot and slotted Fabry–Pérot lasers. We consider both single frequency and optical comb injection. Our model is then used to demonstrate that improving the Q factor of devices increases the suppression obtained when injecting optical combs. We show that increasing the Q factor while fixing the device pump rate relative to threshold causes the locking range of these demultiplexers to asymptotically approach a constant value.

scholarly journals Resonance characteristics of transmissive optical filters based on metal/dielectric/metal structures

2020 ◽  
Vol 44 (2) ◽  
pp. 219-228
Author(s):  
D.V. Nesterenko
Keyword(s):  
Resonance Line ◽  
Structural Parameters ◽  
Propagation Constant ◽  
Field Enhancement ◽  
Optical Filters ◽  
Transfer Model ◽  
Optical Processing ◽  
Line Shapes ◽  
Fabry Perot ◽  
Normal Light

The resonance characteristics of the Fabry-Pérot resonator modes supported by metal/dielectric/metal planar structures are studied in the case of absorbing media for near-to-normal light incidence. Approximations based on rigorous solution and field-transfer model for the field and resonance line shapes in spectra are attributed to the class of Fano and Lorentz resonances. The analytical expressions are obtained for the propagation constant and field enhancement of the mode, width, height and slope of resonance line shapes in spectra as functions of structural parameters. With estimation of field characteristics of the fabricated loss structures based on aluminum and quartz, the peaks in the transmission spectra can be attributed to the excitation of Fabry-Pérot modes. Fundamental characterization of Fabry-Pérot resonances may find applications in optical processing and sensing.

scholarly journals Fabry-Pérot Interferometers as Narrow Band Optical Filters

1971 ◽  
Vol 41 ◽  
pp. 325-332 ◽  
Author(s):  
Alan M. Title
Keyword(s):  
Narrow Band ◽  
Optical Filters ◽  
Fabry Perot

We have constructed solid Fabry-Pérot narrow-band filters that can be used in systems having one arc second or better resolution. Our filters operate at Hα, have a three-inch aperture, and typical transmission of 70%. However, the same technology can be applied to construction of filters as narrow as 0.05 Å at any wavelength from 4200 to 11000 Å.

Signal Processing Criteria Based on Electro-Optic Filters for Fiber Optic Access Transceiver Systems

2019 ◽  
Vol 0 (0) ◽  
Author(s):  
IS Amiri ◽  
Ahmed Nabih Zaki Rashed
Keyword(s):  
Signal Processing ◽  
Fiber Optic ◽  
Optical Filters ◽  
Receiver Side ◽  
Electrical Filter ◽  
Electro Optic ◽  
Fabry Perot ◽  
Different Types ◽  
Fast Processing ◽  
Low Pass

AbstractThe study outlines the different types of electro-optic filters that are used in fiber optic access transceiver systems. These filters are classified into the electrical filter in the receiver side and optical filters are located between fiber optic and transmitter. The optical filters are, namely, Fabry Perot, Gaussian, and Bessel filters. While electrical filters that are namely low pass Bessel, low pass Gaussian, and low pass squared raised cosine roll-off filters. The study emphasizes the important criteria in the employment of electro-optic filters in this system for signal fast processing. The Fabry Perot optical filters in addition to low pass squared raised cosine roll-off filters are clarified the best-obtained results in the comparison with other proposed filters.

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