New Bounds on the Feedforward Design of Optical Output Buffer Multiplexers and Switches

2009 ◽  
Vol E92-B (4) ◽  
pp. 1183-1190 ◽  
Author(s):  
Xiaoliang WANG ◽  
Xiaohong JIANG ◽  
Susumu HORIGUCHI
Keyword(s):  
Output Buffer ◽  
Optical Output

Design of an All-Optical Network Based on LCoS Technologies

2016 ◽  
Vol 37 (2) ◽  
Author(s):  
Yuh-Jiuh Cheng ◽  
Yhi Shiau
Keyword(s):  
Optical Network ◽  
Video Data ◽  
Output Buffer ◽  
Packet Switches ◽  
Content Delivery Network ◽  
Incoming Packet ◽  
Optical Output ◽  
All Optical ◽  
Flow Switch ◽  
All Optical Network

AbstractIn this paper, an all-optical network composed of the ROADMs (reconfigurable optical add-drop multiplexer), L2/L3 optical packet switches, and the fiber optical cross-connection for fiber scheduling and measurement based on LCoS (liquid crystal on silicon) technologies is proposed. The L2/L3 optical packet switches are designed with optical output buffers. Only the header of optical packets is converted to electronic signals to control the wavelength of input ports and the packet payloads can be transparently destined to their output ports. An optical output buffer is designed to queue the packets when more than one incoming packet should reach to the same destination output port. For preserving service-packet sequencing and fairness of routing sequence, a priority scheme and a round-robin algorithm are adopted at the optical output buffer. The wavelength of input ports is designed for routing incoming packets using LCoS technologies. Finally, the proposed OFS (optical flow switch) with input buffers can quickly transfer the big data to the output ports and the main purpose of the OFS is to reduce the number of wavelength reflections. The all-optical content delivery network is comprised of the OFSs for a large amount of audio and video data transmissions in the future.

Failure Analysis of Vertical Cavity Surface Emission Laser Diodes

2003 ◽  
Author(s):  
F. Siegelin ◽  
C. Brillert
Keyword(s):  
Failure Analysis ◽  
Complete Analysis ◽  
Cavity Surface ◽  
Dislocation Network ◽  
Plan View ◽  
Surface Emission ◽  
Optical Output ◽  
Vertical Cavity Surface ◽  
Vcsel Arrays ◽  
Vertical Cavity

Abstract A failure analysis case study for oxide confined vertical cavity surface emitting laser (VCSEL) arrays will be presented. The focus of this work is on devices failing with a reduced optical output due to a rapid degradation of the laser diode. The complete analysis flow will be shown, including electrical and optical characterization as well as detailed investigations on a nanometer scale. It is known that these fails are caused by dislocations. An advanced FIB preparation method enabled cross-section and plan view TEM to successfully visualize the complete extent of a dislocation network.

Spatial photocontrol of the passive optical output direction of the elastic molecular crystals based on acylhydrazone derivatives

2021 ◽  
pp. 109529
Author(s):  
Jiang Peng ◽  
Jingliang Xing ◽  
Jiakun Bai ◽  
Ying Ren ◽  
Tao Wang ◽  
...  
Keyword(s):  
Molecular Crystals ◽  
Optical Output

Transistor laser with simultaneous electrical and optical output at 20 and 40 Gb/s data rate modulation

2011 ◽  
Vol 99 (6) ◽  
pp. 061105 ◽  
Author(s):  
F. Tan ◽  
R. Bambery ◽  
M. Feng ◽  
N. Holonyak,
Keyword(s):  
Data Rate ◽  
Rate Modulation ◽  
Transistor Laser ◽  
Optical Output

A prototype broadcast-and-select photonic ATM switch with a WDM output buffer

1998 ◽  
Vol 16 (12) ◽  
pp. 2202-2211 ◽  
Author(s):  
A. Misawa ◽  
Y. Yamada ◽  
M. Tsukada ◽  
K. Sasayama ◽  
K. Habara ◽  
...  
Keyword(s):  
Output Buffer ◽  
Atm Switch
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