Optical waveguides – Integrated optical circuit
Reexamination Certificate
2006-06-13
2006-06-13
Lee, John R. (Department: 2881)
Optical waveguides
Integrated optical circuit
C385S016000, C385S017000, C385S024000, C385S132000
Reexamination Certificate
active
07062111
ABSTRACT:
A C- and/or L-band booster optical amplifier is utilized at the output of a semiconductor transmitter photonic integrated circuit (TxPIC) chip or the optical combined outputs of multiple semiconductor transmitter photonic integrated circuit (TxPIC) chips employed in an optical communication module, the deployment of integrated semiconductor optical amplifiers (SOAs) on the TxPIC chips can be eliminated. This would reduce both the complexity in designing and fabricating these chips as well as reducing the power consumption of the TxPIC chips. The deployment of such a Tx booster optical amplifier would also take into consideration the nonlinear effects of difficult high loss single mode fiber (SMF) or other fiber type links by allowing a higher power per channel to be achieved compared to the case where channel amplification is attempted solely on the TxPIC chip.
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Chiang Ting-Kuang
Dominic Vincent G.
Grubb Stephen G.
Mitchell Matthew L.
Taylor Robert B.
Carolthers, Jr. W. Douglas
Lee John R.
Vanore David A.
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