ABD

areal bit density

ADP

ammonium dihydrogen phosphate, NH ₄H ₂PO ₄

APD

avalanche photodiode

AS

absorbing substrate

ASE

amplified spontaneous emission

BBO

beta barium borate, ?-BaB ₂O ₄

BGO

bismuth germanate, Bi ₁₂GeO ₂₀

BSO

bismuth silicate, Bi ₁₂SiO ₂₀

CSP

channeled-substrate planar

CW

continuous wave

dB

decibel

dBm

decibel for power measured in milliwatts

dB ?

decibel for power measured in microwatts

dBn

decibel for power measured in nanowatts

DBR

distributed Bragg reflector

DC

direct current

DC-PBH

double-channel planar buried heterostructure

DFB

distributed feedback

DFG

difference-frequency generation

DH

double heterostructure

EDFA

erbium-doped fiber amplifier

EH

electric and magnetic, hybrid true fiber modes

ESA

excited-state absorption

FCSEL

folded-cavity surface-emitting laser

FP

Fabry Perot

FWHM

full width at half maximum

GCSEL

grating-coupled surface-emitting laser

GGG

gadolinium gallium garnet, Gd ₃Ga ₅O ₁₂

GRIN-SCH

graded-index separate confinement heterostructure

HE

magnetic and electric, hybrid true fiber modes

IDT

interdigital transducer

IR

infrared

KDP

potassium dihydrogen phosphate, KH ₂PO ₄

KTA

potassium titanyl arsenate, KTiOAsO ₄

KTP

potassium titanyl phosphate, KTiOPO ₄

LBO

lithium triborate, LiB ₃O ₅

LD

laser diode

LED

light-emitting diode

LiSAF

lithium strontium aluminium fluoride, LiSrAlF ₆

LN

lithium niobate, LiNbO ₃

LP

linearly polarized, approximate fiber modes

MQW

multiple quantum wells

MSM

metal semiconductor metal

NA

numerical aperture

NDFA

neodymium-doped fiber amplifier

NEA

negative electron affinity

NEP

noise equivalent power

OPA

optical parametric amplifier

OPG

optical parametric generator

OPO

optical parametric oscillator

PBH

planar buried heterostructure

PDFA

praseodymium-doped fiber amplifier

PMT